EP1943207A1 - Verfahren zur herstellung von octensäurederivaten - Google Patents
Verfahren zur herstellung von octensäurederivatenInfo
- Publication number
- EP1943207A1 EP1943207A1 EP06806578A EP06806578A EP1943207A1 EP 1943207 A1 EP1943207 A1 EP 1943207A1 EP 06806578 A EP06806578 A EP 06806578A EP 06806578 A EP06806578 A EP 06806578A EP 1943207 A1 EP1943207 A1 EP 1943207A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formula
- compound
- methoxy
- alkyl
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000002253 acid Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 129
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- -1 methoxy, ethoxy Chemical group 0.000 claims description 89
- 125000000217 alkyl group Chemical group 0.000 claims description 52
- 125000004432 carbon atom Chemical group C* 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 37
- 229910052739 hydrogen Inorganic materials 0.000 claims description 31
- 239000001257 hydrogen Substances 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 29
- 229910052736 halogen Inorganic materials 0.000 claims description 26
- 150000002367 halogens Chemical class 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 229910052783 alkali metal Inorganic materials 0.000 claims description 22
- 125000003545 alkoxy group Chemical group 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 21
- 150000001340 alkali metals Chemical group 0.000 claims description 20
- 150000003839 salts Chemical class 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 125000004665 trialkylsilyl group Chemical group 0.000 claims description 19
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 18
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- 150000002825 nitriles Chemical class 0.000 claims description 18
- 238000006722 reduction reaction Methods 0.000 claims description 18
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 14
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 125000005842 heteroatom Chemical group 0.000 claims description 11
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 125000005083 alkoxyalkoxy group Chemical group 0.000 claims description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 claims description 9
- 230000029936 alkylation Effects 0.000 claims description 9
- 238000005804 alkylation reaction Methods 0.000 claims description 9
- 125000004104 aryloxy group Chemical group 0.000 claims description 9
- 150000005309 metal halides Chemical class 0.000 claims description 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 7
- 238000007259 addition reaction Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical group OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 6
- 150000004703 alkoxides Chemical class 0.000 claims description 6
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 150000007942 carboxylates Chemical class 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 229910001507 metal halide Inorganic materials 0.000 claims description 5
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 5
- 239000002841 Lewis acid Substances 0.000 claims description 4
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 4
- 238000006317 isomerization reaction Methods 0.000 claims description 4
- 150000007517 lewis acids Chemical class 0.000 claims description 4
- 229910052987 metal hydride Inorganic materials 0.000 claims description 4
- 150000004681 metal hydrides Chemical class 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 2
- 229910021595 Copper(I) iodide Inorganic materials 0.000 claims description 2
- 230000009435 amidation Effects 0.000 claims description 2
- 238000007112 amidation reaction Methods 0.000 claims description 2
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims description 2
- 230000006340 racemization Effects 0.000 claims description 2
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 12
- 125000002877 alkyl aryl group Chemical group 0.000 claims 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 claims 1
- 239000000543 intermediate Substances 0.000 abstract description 8
- 239000004480 active ingredient Substances 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 30
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 22
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 20
- 239000011541 reaction mixture Substances 0.000 description 20
- 230000002829 reductive effect Effects 0.000 description 18
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 15
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 150000002148 esters Chemical class 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000000460 chlorine Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 11
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 10
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 10
- 150000001408 amides Chemical class 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- GWYFCOCPABKNJV-UHFFFAOYSA-N beta-methyl-butyric acid Natural products CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 9
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 8
- 239000000010 aprotic solvent Substances 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 8
- 150000003254 radicals Chemical class 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- 229910052794 bromium Inorganic materials 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 7
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- KWGRBVOPPLSCSI-UHFFFAOYSA-N d-ephedrine Natural products CNC(C)C(O)C1=CC=CC=C1 KWGRBVOPPLSCSI-UHFFFAOYSA-N 0.000 description 6
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- AQRLNPVMDITEJU-UHFFFAOYSA-N triethylsilane Chemical compound CC[SiH](CC)CC AQRLNPVMDITEJU-UHFFFAOYSA-N 0.000 description 6
- KWGRBVOPPLSCSI-PSASIEDQSA-N (1s,2r)-2-(methylamino)-1-phenylpropan-1-ol Chemical compound CN[C@H](C)[C@@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-PSASIEDQSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XYHKNCXZYYTLRG-UHFFFAOYSA-N 1h-imidazole-2-carbaldehyde Chemical compound O=CC1=NC=CN1 XYHKNCXZYYTLRG-UHFFFAOYSA-N 0.000 description 4
- GWYFCOCPABKNJV-UHFFFAOYSA-M 3-Methylbutanoic acid Natural products CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 4
- STVVMTBJNDTZBF-VIFPVBQESA-N L-phenylalaninol Chemical compound OC[C@@H](N)CC1=CC=CC=C1 STVVMTBJNDTZBF-VIFPVBQESA-N 0.000 description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 229910001508 alkali metal halide Inorganic materials 0.000 description 4
- 229910052793 cadmium Inorganic materials 0.000 description 4
- 239000012230 colorless oil Substances 0.000 description 4
- 238000003818 flash chromatography Methods 0.000 description 4
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 4
- 229940011051 isopropyl acetate Drugs 0.000 description 4
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- XOJVVFBFDXDTEG-UHFFFAOYSA-N pristane Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- JFSCCLJKKCRXSS-UHFFFAOYSA-N 4-bromo-1-methoxy-2-(3-methoxypropoxy)benzene Chemical compound COCCCOC1=CC(Br)=CC=C1OC JFSCCLJKKCRXSS-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 3
- 150000008046 alkali metal hydrides Chemical class 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 125000001072 heteroaryl group Chemical group 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 3
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 125000006413 ring segment Chemical group 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 2
- 125000004890 (C1-C6) alkylamino group Chemical group 0.000 description 2
- 125000006569 (C5-C6) heterocyclic group Chemical group 0.000 description 2
- UXOWGYHJODZGMF-QORCZRPOSA-N Aliskiren Chemical compound COCCCOC1=CC(C[C@@H](C[C@H](N)[C@@H](O)C[C@@H](C(C)C)C(=O)NCC(C)(C)C(N)=O)C(C)C)=CC=C1OC UXOWGYHJODZGMF-QORCZRPOSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000005595 deprotonation Effects 0.000 description 2
- 238000010537 deprotonation reaction Methods 0.000 description 2
- 238000006345 epimerization reaction Methods 0.000 description 2
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000000468 ketone group Chemical group 0.000 description 2
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006263 metalation reaction Methods 0.000 description 2
- 125000002950 monocyclic group Chemical group 0.000 description 2
- 239000010413 mother solution Substances 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 235000011056 potassium acetate Nutrition 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000006478 transmetalation reaction Methods 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- LOPKSXMQWBYUOI-DTWKUNHWSA-N (1r,2s)-1-amino-2,3-dihydro-1h-inden-2-ol Chemical compound C1=CC=C2[C@@H](N)[C@@H](O)CC2=C1 LOPKSXMQWBYUOI-DTWKUNHWSA-N 0.000 description 1
- CZRUQYMKVURDIR-ZDUSSCGKSA-N (7S)-9-methyl-8-oxo-7-propan-2-yldec-4-enal Chemical compound C(C)(C)[C@@H](C(=O)C(C)C)CC=CCCC=O CZRUQYMKVURDIR-ZDUSSCGKSA-N 0.000 description 1
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 description 1
- BQHHMUIWVRVMOW-BQYQJAHWSA-N (e)-7-[4-methoxy-3-(3-methoxypropoxy)benzoyl]-8-methyl-2-propan-2-ylnon-4-enoic acid Chemical compound COCCCOC1=CC(C(=O)C(C\C=C\CC(C(C)C)C(O)=O)C(C)C)=CC=C1OC BQHHMUIWVRVMOW-BQYQJAHWSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- UZDDXUMOXKDXNE-UHFFFAOYSA-N 1-(4-methylphenyl)ethanamine Chemical compound CC(N)C1=CC=C(C)C=C1 UZDDXUMOXKDXNE-UHFFFAOYSA-N 0.000 description 1
- ILPRUPKXFVBCSB-UHFFFAOYSA-N 1-(benzylamino)butan-1-ol Chemical compound CCCC(O)NCC1=CC=CC=C1 ILPRUPKXFVBCSB-UHFFFAOYSA-N 0.000 description 1
- PKJBWOWQJHHAHG-UHFFFAOYSA-N 1-bromo-4-phenylbenzene Chemical group C1=CC(Br)=CC=C1C1=CC=CC=C1 PKJBWOWQJHHAHG-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- JCBPETKZIGVZRE-UHFFFAOYSA-N 2-aminobutan-1-ol Chemical compound CCC(N)CO JCBPETKZIGVZRE-UHFFFAOYSA-N 0.000 description 1
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- RUJHATQMIMUYKD-UHFFFAOYSA-N 2-naphthalen-1-ylethanamine Chemical compound C1=CC=C2C(CCN)=CC=CC2=C1 RUJHATQMIMUYKD-UHFFFAOYSA-N 0.000 description 1
- ALEBWLNVINEYCZ-UHFFFAOYSA-N 2-propan-2-ylpent-4-enoic acid Chemical compound CC(C)C(C(O)=O)CC=C ALEBWLNVINEYCZ-UHFFFAOYSA-N 0.000 description 1
- DQEUFPARIOFOAI-UHFFFAOYSA-N 2-propan-2-ylpropanedioic acid Chemical compound CC(C)C(C(O)=O)C(O)=O DQEUFPARIOFOAI-UHFFFAOYSA-N 0.000 description 1
- 125000000389 2-pyrrolyl group Chemical group [H]N1C([*])=C([H])C([H])=C1[H] 0.000 description 1
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 1
- FVPPLRDSFQDFLX-UHFFFAOYSA-N 3-aminopentanenitrile Chemical compound CCC(N)CC#N FVPPLRDSFQDFLX-UHFFFAOYSA-N 0.000 description 1
- LAMUXTNQCICZQX-UHFFFAOYSA-N 3-chloropropan-1-ol Chemical compound OCCCCl LAMUXTNQCICZQX-UHFFFAOYSA-N 0.000 description 1
- 125000003682 3-furyl group Chemical group O1C([H])=C([*])C([H])=C1[H] 0.000 description 1
- 125000004207 3-methoxyphenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(OC([H])([H])[H])=C1[H] 0.000 description 1
- 125000001397 3-pyrrolyl group Chemical group [H]N1C([H])=C([*])C([H])=C1[H] 0.000 description 1
- 125000001541 3-thienyl group Chemical group S1C([H])=C([*])C([H])=C1[H] 0.000 description 1
- KDDQRKBRJSGMQE-UHFFFAOYSA-N 4-thiazolyl Chemical compound [C]1=CSC=N1 KDDQRKBRJSGMQE-UHFFFAOYSA-N 0.000 description 1
- CWDWFSXUQODZGW-UHFFFAOYSA-N 5-thiazolyl Chemical group [C]1=CN=CS1 CWDWFSXUQODZGW-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- BNJJKBSCXRLPNU-UHFFFAOYSA-N 8-oxooct-2-enoic acid Chemical compound OC(=O)C=CCCCCC=O BNJJKBSCXRLPNU-UHFFFAOYSA-N 0.000 description 1
- FJNCXZZQNBKEJT-UHFFFAOYSA-N 8beta-hydroxymarrubiin Natural products O1C(=O)C2(C)CCCC3(C)C2C1CC(C)(O)C3(O)CCC=1C=COC=1 FJNCXZZQNBKEJT-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 101150003085 Pdcl gene Proteins 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- DTQVDTLACAAQTR-UHFFFAOYSA-M Trifluoroacetate Chemical compound [O-]C(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-M 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229960004601 aliskiren Drugs 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000003975 aryl alkyl amines Chemical class 0.000 description 1
- 238000009876 asymmetric hydrogenation reaction Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000002618 bicyclic heterocycle group Chemical group 0.000 description 1
- LPCWKMYWISGVSK-UHFFFAOYSA-N bicyclo[3.2.1]octane Chemical compound C1C2CCC1CCC2 LPCWKMYWISGVSK-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000000392 cycloalkenyl group Chemical group 0.000 description 1
- 125000001047 cyclobutenyl group Chemical group C1(=CCC1)* 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001162 cycloheptenyl group Chemical group C1(=CCCCCC1)* 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000298 cyclopropenyl group Chemical group [H]C1=C([H])C1([H])* 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 125000006371 dihalo methyl group Chemical group 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 125000005982 diphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 229960002179 ephedrine Drugs 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 229960001867 guaiacol Drugs 0.000 description 1
- 125000004969 haloethyl group Chemical group 0.000 description 1
- 125000004970 halomethyl group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Inorganic materials [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 1
- 150000002690 malonic acid derivatives Chemical class 0.000 description 1
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000007040 multi-step synthesis reaction Methods 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 150000007925 phenylethylamine derivatives Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 125000004307 pyrazin-2-yl group Chemical group [H]C1=C([H])N=C(*)C([H])=N1 0.000 description 1
- 125000002206 pyridazin-3-yl group Chemical group [H]C1=C([H])C([H])=C(*)N=N1 0.000 description 1
- 125000004940 pyridazin-4-yl group Chemical group N1=NC=C(C=C1)* 0.000 description 1
- 125000004941 pyridazin-5-yl group Chemical group N1=NC=CC(=C1)* 0.000 description 1
- 125000000246 pyrimidin-2-yl group Chemical group [H]C1=NC(*)=NC([H])=C1[H] 0.000 description 1
- 125000004527 pyrimidin-4-yl group Chemical group N1=CN=C(C=C1)* 0.000 description 1
- 125000004528 pyrimidin-5-yl group Chemical group N1=CN=CC(=C1)* 0.000 description 1
- 239000002461 renin inhibitor Substances 0.000 description 1
- 229940086526 renin-inhibitors Drugs 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000011915 stereoselective alkylation Methods 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005329 tetralinyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Substances ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 1
- FQDIANVAWVHZIR-OWOJBTEDSA-N trans-1,4-Dichlorobutene Chemical compound ClC\C=C\CCl FQDIANVAWVHZIR-OWOJBTEDSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 150000008648 triflates Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000006004 trihaloethyl group Chemical group 0.000 description 1
- 125000004953 trihalomethyl group Chemical group 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/32—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C235/34—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/13—Dicarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/64—Acyl halides
- C07C57/66—Acyl halides with only carbon-to-carbon double bonds as unsaturation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/76—Unsaturated compounds containing keto groups
- C07C59/90—Unsaturated compounds containing keto groups containing singly bound oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Definitions
- the invention relates to a process for the preparation of chiral octenoic acid derivatives, which are important intermediates in the preparation of active pharmaceutical ingredients.
- the invention also relates to novel intermediates used in the process for the preparation of said octenoic acid derivatives.
- WO 02/02508, WO 02/08172 and WO 01/09083 disclose chiral octenoic acid derivatives of the general formula (I) as important intermediates, in particular in the multistage preparation of the renin inhibitor with the designation "aliskiren” (CAN: 173334-57-1 ) of Novartis.
- the chiral phenyl-substituted octenoic acid derivatives are then synthesized from two chiral blocks, one unit comprising a chiral 3-phenyl-2-isopropyl-propyl halide (known from WO 02/02487 and WO 02/02500) and the other unit a chiral 5-halogen 2-isopropyl-pent-4-enoic acid (described in WO 01/09079 and WO 02/092828), which are combined to the target product.
- Both chiral blocks are prepared separately via complex multi-step syntheses as described in the above-mentioned documents.
- the overall manufacturing process for the chiral phenyl substituted octenoic acid derivatives of the general formula (I) is very complex, moreover involves an asymmetric hydrogenation step in which a very expensive, not readily available homogeneous chiral Rh catalyst is necessary, making the process as a whole very costly ,
- the object of the present invention was therefore to provide a simplified production process for octenoic acid derivatives of the general formula (I).
- R 1 and R 2 independently represent hydroxy, alkoxy, aryloxy, arylalkyloxy or alkoxyalkoxy;
- R 3 is a carbon hetero group containing at least one heteroatom selected from O or N, having at least one carbon-heteroatom multiple bond at the C-1 position, such as COOR 6 , wherein R 6 is hydrogen, alkyl, aryl, arylalkyl or trialkylsilyl ; nitrile; C (O) R 7 , wherein R 7 is hydrogen, halogen, O ' , OM, wherein M is alkali metal or one equivalent of an alkaline earth metal, OCOR 12 , wherein R 12 is branched lower alkyl of 1 to 5 carbon atoms, preferably pivaloyl, OCOCF 3 , OSO 2 CH 3 or OSO 2 CF 3 or a protecting or activating group such as C (O) N-alkyl-O-alkyl or C (O) NR 4 R 5 where R 4 and R 5 are independently R 4 and R 5 together with the nitrogen form a five to six membered heterocyclic ring system which may optionally have 1 to
- R 3 is independently as defined above under the formula (I);
- Y represents halogen, metal, metal halide, metal alkoxide or metal carboxylate
- R 1 and R 2 are as defined above under the formula (I),
- Y is hydrogen
- R 1 is a protected hydroxy function such as a trifluoromethanesulfonate or trifluoroacetate group
- R 2 is as defined above under the formula (I),
- R 1 , R 2 and R 3 are as defined above under the formula (I);
- the dotted line represents a single or double bond
- R 5 is O or NR 8 wherein R 8 is hydrogen or alkyl, if the dotted line represents a double bond, or
- R 5 is OH or NR 8 R 9 wherein R 8 and R 9 are each independently hydrogen or alkyl when the dotted line represents a single bond;
- R 3 is as defined above under formula (I);
- Z is a leaving group such as halogen, mesyl, tosyl or triflate
- compound of the formula (II) is employed as a mixture of the stereoisomers.
- the process according to the invention preferably comprises an isomer separation step before or after one of the addition or reduction steps.
- the separation of the isomers can in known manner, for. B. by various crystallization techniques, chromatography, etc. in one or more steps.
- the process according to the invention additionally comprises an isomerization or racemization of the undesired isomers in addition to the isomer separation step mentioned.
- radicals in the formula (I) have the following meanings:
- R 1 hydroxy or branched or unbranched lower alkoxy having 1 to 5 carbon atoms, such as methoxy, ethoxy, n- and i-propoxy, n-, i- and t-butoxy or pentoxy, aryloxy, such as phenyloxy, naphthyloxy or derivatives thereof, or Benzyloxy or branched or unbranched alkoxyalkoxy having in each case 1 to 5, preferably 1 to 2, carbon atoms in the alkoxy group, such as 1-methoxymethoxy, 1-methoxy-2-ethoxy, 1-methoxy-3-propoxy, 1-methoxy-4-butoxy, etc., more preferably 1-methoxymethoxy, 1-methoxy-2-ethoxy, 1-methoxy-3-propoxy, 1-methoxy-4-butoxy, especially 1-methoxy-3-propoxy,
- R 2 hydroxy or branched or unbranched lower alkoxy having 1 to 5 carbon atoms, such as methoxy, ethoxy, n- and i-propoxy, n-, i- and t-butoxy or pentoxy, aryloxy, such as phenyloxy, naphthyloxy or derivatives thereof, or Benzyloxy or branched or unbranched alkoxyalkoxy having in each case 1 to 5, preferably 1 to 2, carbon atoms in the alkoxy group, such as 1-methoxymethoxy, 1-methoxy-2-ethoxy, 1-methoxy-3-propoxy, 1-methoxy-4-butoxy, etc., more preferably methoxy
- R 3 COOR 6 where R 6 is hydrogen, branched or unbranched
- MOPO is methoxypropoxy and R 6 is as defined above under formula (I).
- R 3 is independently carboxy or nitrile.
- the addition reaction is carried out with a compound of formula (III) wherein Y is various metals such as alkali metals or metal halide or metal alkoxide or metal carboxylate wherein the metal is Mg, Al, B 1 Mn, Cu, Cd, Zn and Sn can be.
- Y is particularly preferably Li, Na, CuCl, CuBr, CuI, MgCl or MgBr.
- the reduction is done in one or two steps, e.g. B. with metal hydrides or trialkylsilane in the presence of acids or with Lewis acids.
- the compound of the formula (VII) is prepared in an additional amidation in a known manner to give the compound of the formula (VIII)
- the process of the invention preferably comprises a further alkylation step for conversion of R 1 in alkoxy or alkoxyalkoxy.
- the invention further relates to compounds of the formula (IIa)
- R 10 is a carbon hetero group containing at least one heteroatom selected from O or N 1 having at least one carbon heteroatom multiple bond at the C-1 position, such as COOR 6 , wherein R 6 is hydrogen, alkyl, aryl, arylalkyl or trialkylsilyl stands; nitrile; C (O) R 7 , wherein R 7 is hydrogen, halogen, O " , OM, wherein M is alkali metal or one equivalent of an alkaline earth metal, OCOR 12 , wherein R 12 is branched lower alkyl having 1 to 5 carbon atoms, preferably pivaloyl or OCOCF 3 , OSO 2 CH 3 or OSO 2 CF 3 or a protecting or activating group, such as C (O) N-alkyl-O-alkyl or C (O) NR 4 R 5 , wherein R 4 and R 5 are independently hydrogen, alkyl, aryl, arylalkyl, trialkylsilyl or R 4 and R 5 together
- a preferred group of the compounds of the formula (IIa) according to the invention are (S.S) -enantiomers of the formula (IIb)
- R 10 is C (O) R 7 , wherein R 7 is hydrogen, halogen, O ' , OM, where M is alkali metal, one equivalent of an alkaline earth metal , OCOR 12 , wherein R 12 is branched lower alkyl of 1 to 5 carbon atoms, preferably pivaloyl or OCOCF 3 , OSO 2 CH 3 or OSO 2 CF 3 , nitrile or COOR 6 , wherein R 6 is as defined above under formula (I) , and preferably is hydrogen. More preferably R 10 is each independently nitrile or COCl or COBr or COOR 6 , wherein R 6 is as defined above under formula (I), preferably hydrogen.
- the invention further relates to compounds of the formula (IV)
- R 1 , R 2 and R 3 are as defined above under the formula (I);
- the dotted line represents a single or double bond
- R 5 is O or NR 8 wherein R 8 is hydrogen or alkyl when the dotted line represents a double bond, or
- R 5 is OH or NH 2 when the dotted line represents a single bond
- the preferred (S.S) -antantione monomers are compounds in which the isopropyl groups of the octene side chain have the following configuration:
- halogen refers to chlorine, bromine, iodine
- alkyl refers to straight-chain or branched or cyclic saturated hydrocarbons or combinations thereof having preferably 1 to 20 carbon atoms, in particular 1 to 10, particularly preferably 1 to 5 carbon atoms.
- alkyl groups are methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, pentyl, isopentyl, neo-pentyl, tert-pentyl, 1-methyl butyl, 2-methylbutyl, 3-methylbutyl, hexyl, isohexyl, heptyl and octyl.
- Alkoxy refers to oxygen-bonded straight-chain or branched saturated alkyl having preferably 1 to 20 carbon atoms, especially 1 to 10, more preferably 1 to 5, most preferably 1 to 2 carbon atoms.
- alkoxy groups are methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy and tert-butoxy.
- the alkyl and alkoxy groups may be substituted by one or more of the following groups selected from halogen, hydroxy, cyano, C 1 -C 6 -alkoxy, nitro, amino, C 1 -C 6 -alkylamino, C 1 -C 6 -alkylamino, Carboxy, C 1 -C 6 -alkoxycarbonyl, aminocarbonyl, halomethyl, dihalomethyl, trihalomethyl, haloethyl, dihaloethyl, trihaloethyl, tetrahaloethyl, pentahalogenethyl.
- cycloalkyl means an organic radical derived from a monocyclic (C 3 -C 7 ) cycloalkyl compound by removing a hydrogen radical from a ring carbon atom of the cycloalkyl compound.
- cycloalkyl groups are cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclopropenyl, cyclobutenyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, 1, 3-cyclobutadienyl, 1, 3-cyclopentadienyl, 1, 3-cyclohexadienyl, 1, 4-cyclohexadienyl, 1, 3-Cycloheptadienyl, 1,4-cycloheptadienyl, bicyclo [3.2.1] octane and [2.2.1] heptane.
- the term cycloalkyl also includes cycloalkenyl groups having one or two double bonds.
- heterocyclic means a monocyclic heterocyclic ring system
- Monocyclic heterocyclic rings consist of about 3 to 7 ring atoms having from 1 to 5 heteroatoms selected from N, O or S and preferably from 3 to 7 atoms in the ring
- Bicyclic heterocycles consist of about 5 to 17 ring atoms, preferably 5 to 12 ring atoms.
- aryl means a cyclic or polycyclic ring consisting of from 6 to 12 carbon atoms, which may be unsubstituted or substituted by one or more substituent groups given above for the alkyl and alkoxy groups
- aryl groups are phenyl, 2 , 6-dichlorophenyl, 3-methoxyphenyl, naphthyl, 4-thionaphthyl, tetralinyl, anthracinyl, phenanthrenyl, benzonaphthenyl, fluorenyl, 2-acetamidofluoren-9-yl and 4'-bromobiphenyl.
- heteroaryl means an aromatic cyclic or polycyclic ring system having 1 to 9 carbon atoms and 1 to 4 heteroatoms selected from N, O or S.
- Typical heteroaryl groups are 2- or 3-thienyl, 2- or 3-furanyl, 2- or 3-pyrrolyl, 2-, 4-, or 5-imidazolyl, 3-, 4- or 5-pyrazolyl, 2-, 4- or 5-thiazolyl, 3-, 4- or 5-isothiazolyl, 2-, 4- or 5- oxazolyl, 3-, 4- or 5-isoxazolyl, 3- or 5-1, 2,4-triazolyl, tetrazolyl, 2-, 3- or 4-pyridinyl, 3-, 4- or 5- Pyridazinyl, 2-pyrazinyl, 2-, 4- or 5-pyrimidinyl
- the heteroaryl groups may be unsubstituted or substituted by 1 to 3 of the substituent groups as indicated above for the alkyl and alkoxy groups, for example cyanothienyl and formy
- carbon hetero group means a group containing at least one heteroatom selected from O or N having at least one carbon-heteroatom multiple bond at the C-1 position, the group being attached through the C-1 atom.
- the group is essentially a functionality that can be attached via an addition to an aromatic system or can be reduced by addition of a leaving group to the C-1 atom.
- Typical carbon hetero groups are Carboxylic acid groups and their derivatives, such as acid halides, amides and esters, and nitriles.
- salts refers preferably to metal salts, especially alkali metal salts.
- Hydrates and solvates of the compounds of the invention are also included.
- the compounds of the formula (IIa) and (IV) according to the invention and the compounds of the formula (I) have chiral centers and can be in any stereoisomeric form.
- the present invention includes any stereoisomeric forms or mixtures thereof of a compound or target compound of the invention, such as the optically active forms (for example, by resolution of the racemic form by recrystallization process, by synthesis from optically active starting materials, by chiral synthesis or by chromatographic separation by means of a chiral stationary phase).
- the compounds of the formulas (IIa), (IIb) and (IV) according to the invention can advantageously be used for the preparation of octenoic acid derivatives, particularly preferably in the context of the process according to the invention.
- the process according to the invention is essentially based on the separate production first of the side chain of the compound of general formula (I) which contains two chiral centers, taking into account the symmetry element contained therein, whereby the overall synthesis can be significantly simplified and the number of reaction steps can be significantly reduced.
- this symmetrical chiral side-chain precursor is coupled to a suitable aromatic moiety to give the desired chiral octenoic acid of formula (I) within a few reaction steps.
- the compound of the general formula (I) can be obtained from a compound of the general formula (II) in two alternative ways, ie
- R 1 and R 2 are each independently hydroxy or branched or unbranched lower alkoxy having 1 to 5 carbon atoms, such as methoxy, ethoxy, n- and i-propoxy, n-, i- and t-butoxy or pentoxy, aryloxy, such as phenyloxy , Naphthyloxy or their derivatives, or benzyloxy or branched or unbranched alkoxyalkoxy having in each case 1 to 5, preferably 1 to 2, carbon atoms in the alkoxy group, such as 1-methoxymethoxy, 1-methoxy-2-ethoxy, 1-methoxy-3-propoxy, 1 Methoxy-4-butoxy, etc.
- the radical X is suitably O " , OH or a salt, such as OM 1 in which M is alkali metal or one equivalent of an alkaline earth metal
- R 11 is alkyl, preferably unbranched or branched lower alkyl having 1 to 5 carbon atoms, aryl, such as phenyl, naphthyl or their alkoxy derivatives, benzyl, diphenylmethyl, trityl or trialkylsilyl or NR 4 R 5 , wherein R 4 and R 5 are each independently alkyl, preferably straight or branched lower alkyl of 1 to 5 carbon atoms or benzyl R 4 and R 5 together with the nitrogen may form a usually 5- to 6-membered heterocyclic ring system such as pyrrole, imidazole and the like X may also be a protective or activating group commonly used for carboxylic acids such as Weinreb amide, preferably N-alkyl-O-al
- the reduction step of the keto function can be carried out in one or more steps.
- the reductive removal of the oxygen function in benzyl position to the corresponding hydrocarbon can be carried out by various known methods which do not simultaneously reduce the double bond present in the aliphatic chain (see J. March, John Wiley & Sons, NY 1 1992, Advanced Organic Chemistry, Pp. 1209-1211).
- the reaction can be carried out solvent-free, in polar or nonpolar, protic or aprotic solvents, preferably in aprotic solvents, such as chlorinated hydrocarbons or hydrocarbons, preferably at temperatures between -20 0 C and reflux temperature of the solvent.
- trialkylsilane in the presence of acids, preferably trifluoromethanesulfonic acid or trifluoroacetic acid or Lewis acids, preferably BF 3 etherate, ZnCl 2 , AlCl 3 , TiCl 4 .
- acids preferably trifluoromethanesulfonic acid or trifluoroacetic acid or Lewis acids, preferably BF 3 etherate, ZnCl 2 , AlCl 3 , TiCl 4 .
- the reduction can also be carried out in several steps if the 8-oxo group of the compound of the formula (IV) is first reduced with, for example, metal hydrides to the corresponding 8-hydroxy compound, which in turn reduces either directly to the target compound of the formula (I) or after prior conversion of the hydroxy group into a suitable Leaving group, preferably mesylate, tosylate, etc., and subsequent reduction to the target compound of formula (I) is reacted.
- a suitable Leaving group preferably mesylate, tosylate, etc.
- R 1 and R 2 have the meaning given to the compound of the formula (IV) and Y represents various metals, such as alkali metals or metal halide, metal alkoxide or metal carboxylate, in which the metal is Mg, Al, B, Mn, Cu 1 Cd, Zn and Sn can stand on
- W is each independently suitably O " , OH or a salt such as OM, in which
- M is alkali metal or one equivalent of an alkaline earth metal, for
- Halogen such as Cl, Br, I, preferably Cl or OCOR 12 , wherein R 12 is branched lower alkyl having 1 to 5
- Carbon atoms preferably pivaloyl, or
- OCOCF 3 OSO 2 CH 3 or OSO 2 CF 3 or for OR 11 , wherein R 11 is preferably unbranched or branched lower alkyl having 1 to 5 carbon atoms, aryl, benzyl or trialkylsilyl, or
- R 4 and R 5 are each independently preferably unbranched or branched lower alkyl of 1 to 5 carbon atoms or benzyl or
- W can also be a protective or activating group customary for carboxylic acids, such as Weinreb amide, preferably N-alkyl-O-alkyl, in which alkyl is preferably straight or branched lower alkyl having 1 to 5 carbon atoms or the nitrogen part of a heterocyclic Ring system such as pyrrole, imidazole and the like.
- carboxylic acids such as Weinreb amide, preferably N-alkyl-O-alkyl, in which alkyl is preferably straight or branched lower alkyl having 1 to 5 carbon atoms or the nitrogen part of a heterocyclic Ring system such as pyrrole, imidazole and the like.
- W is suitable for hydrogen or halogen, such as Cl, Br, I, preferably Cl or OCOR 12 , wherein R 12 is branched lower alkyl having 1 to 5
- Carbon atoms preferably pivaloyl, or
- OCOCF 3 OSO 2 CH 3 or OSO 2 CF 3 or represents a protecting or activating group customary for carboxylic acids, such as Weinreb amide, preferably N-alkyl-O-alkyl, wherein alkyl is preferably unbranched or branched lower alkyl having 1 to 5 Carbon atoms or the nitrogen part of a heterocyclic ring system, such as
- R 13 is branched or unbranched lower alkyl having 1 to 5
- reaction can also be carried out with other than the specified isomers of the compounds of the formulas (He) 1 (Hf) and (IV) or mixtures thereof, resulting in corresponding isomers and / or mixtures of the compound of formula (I ) leads.
- the precursor for the organometallic compound of formula (IH), preferably 4-bromo-2- (3-methoxy-propyl-1-oxy) -1-methoxybenzene can be obtained either after Processes as described in documents EP 678503, WO 03/103653 or WO 04/089915 or alternatively by a process in which guaiacol is acylated, preferably benzoylated, and subsequently brominated (see Synthesis (5), 559, 1997 or THL 41 (6), 811, 2000).
- the free phenol is treated with 3-halopropanol, preferably with 3-chloropropanol and then the free hydroxyl group in the side chain with MeI or dimethyl sulfate in the presence of a base, preferably an alkali metal hydride, amide or - tert Aliphatic amine such as triethylamine and the like. Methylated.
- a base preferably an alkali metal hydride, amide or - tert Aliphatic amine such as triethylamine and the like.
- the organometallic reagent of formula (III) may be selected from the above-mentioned aromatic halide, preferably bromide, either by direct metalation with metals such as alkali metals or Mg, Al, B, Mn, Zn, Sn, Cd or Cu or via transmetallation of an initially formed one Alkali metal compound in which Y is preferably Li, by addition of another metal halide, preferably magnesium halides, are prepared (see EP 678503).
- aromatic halide preferably bromide
- a Grignard reagent of the formula (III) is used, wherein Y is MgCl or MgBr, which is prepared from the corresponding aromatic bromide by metallation with BuLi and subsequent transmetallation with Mg (II) - bromide or Mg (II) -ChIHd e.g. in THF.
- the organometallic compound of formula (III) is then reacted in aprotic solvent with the compound of formula (Me) in which W is OH or OM (acid or its salts), OR (ester), OCOR 12 or halogen.
- the acid chloride or bromide is preferred for reaction with the compound of formula (III) in the absence or presence of catalytic or stoichiometric amounts of Cu (I) or Cu (II) salts such as Cu (I) bromide or Cu (I) chloride used.
- the reaction temperature may be between -78 0 C and the reflux temperature of the solvent, preferably THF at O 0 C or RT.
- the selection of the aprotic solvent is not critical.
- the ratio of the compounds of the formula (III) to (He) can be between 0.1 and 2.0, preferably between 0.3 and stoichiometric ratio.
- Z is halogen, preferably iodine, or another customary leaving group, such as mesylate, tosylate or triflate, and R 13 is branched or unbranched lower alkyl having 1 to 5 carbon atoms or is benzyl or trialkylsilyl, with a compound of formula (III)
- R 1 and R 2 have the meaning given above for the compound of formula (I) and Y for various metals, such as alkali metals or Metal halides, wherein the metal may be Mg, Al, B, Mn, Cu and Zn.
- the coupling of the compounds of the formula (III) and (Va) may preferably be effected by transition metals, such as various Pd (0) complexes or Pd (II) salts, for example PdCl 2 acetonitrile complex, Pd (II) acetate, Pd (PPH 3 ) 4 or Pd (dba), etc., are catalyzed in protic or aprotic polar solvents at a reaction temperature from RT to reflux temperature of the solvent.
- transition metals such as various Pd (0) complexes or Pd (II) salts, for example PdCl 2 acetonitrile complex, Pd (II) acetate, Pd (PPH 3 ) 4 or Pd (dba), etc.
- the compounds of the formula (II) can be used as readily available stereoisomeric mixtures, which is then subjected to enantiomer separation if necessary.
- Z is OH or OM, wherein M is alkali metal, one equivalent of an alkaline earth metal or -O ' , or OR 11 , wherein R 11 is preferably straight or branched lower alkyl of 1 to 5 carbon atoms, aryl, benzyl or trialkylsilyl, or NR 4 R 5 , in which R 4 and R 5 each independently represent unbranched or branched lower alkyl having 1 to 5 carbon atoms or benzyl or trialkylsilyl,
- L is a common leaving group such as halogen, preferably Cl or Br, or
- the compound of formula (He) may also be present as another enantiomer, racemate or in meso form.
- the deprotonated compound (X) is then reacted with 0.5-fold equivalent of the compound of formula (XI) at -78 ° C to RT, preferably at 0 0 C treated.
- the untreated mixture contains a substantially equimolar mixture of both possible diastereomers which are hydrolysed to the free acid (Me) when the ester or amide is used.
- the corresponding isopropylmalonate or the isopropyl derivative of meldrumic acid can be used instead of the isovaleric acid derivatives.
- the corresponding isopropylmalonate or the isopropyl derivative of meldrumic acid can be used instead of the isovaleric acid derivatives.
- the corresponding isopropylmalonate or the isopropyl derivative of meldrumic acid can be used.
- not only strong bases must be used, whereby for the alkylation of the compound (Xl) and conventional phase transfer catalysts or organic amides can be used.
- metal hydrides or amides, in particular NaH as the base in aprotic solvents, such as THF, toluene or ether, which leads to particularly high yields.
- the malonates are hydrolyzed followed by decarboxylation to give a mixture of diastereomeric acids of formula (He) wherein W is OH or OM, where M is alkali metal or the equivalent of an alkaline earth metal or -O " .
- the optional separation of the desired isomer from the mixture of the diastereomeric diacid (Me) can be carried out in a one- or two-stage process using different separation techniques, such as chromatography or crystallization processes.
- the meso and racemic acids are first separated by means of a kinetically controlled crystallization from a supersaturated solution in an organic solvent or a solvent mixture, preferably esters, for example isopropyl acetate.
- the desired enantiomer is obtained by enantiomer separation of the racemic diacid (He) via a diastereomeric salt with various chiral amines or complexing agents, preferably amino acids or their derivatives, in particular phenylalaninol, or arylalkylamines, such as 1-naphthylethylamine or phenylethylamine derivatives, preferably 1 - (4-methylphenyl) ethylamine or ephedrine or alkaloids, such as quinquinone or other chiral amines, such as 3-aminopentanenitrile or 1, 2-diaminocyclohexane or 2-amino-1-butanol or (1R, 2S) -1-amino-2 -indanol or benzylaminobutanol separately.
- various amines or complexing agents preferably amino acids or their derivatives, in particular phenylalaninol, or arylal
- the diastereomerically enriched crystals or Mother solutions can be purified by recrystallization to give the pure diastereomeric salt from which the enantiomerically pure diacid (He) is obtained.
- This salt cleavage can be carried out using standard methods, such as extraction from an acidic aqueous solution with an organic solvent, preferably esters or ethers, such as tert-butyl methyl ether, or using ion exchange resins.
- the undesired isomer or mixtures thereof can be isomerized and recycled to the separation process.
- the isomerization can be carried out by heating the compound (Me) or its derivatives, preferably esters, acid chlorides or anhydrides under basic or acidic conditions.
- the epimerization of the meso-diacid (Ne) can be carried out under reflux in acetic anhydride in the presence of potassium acetate, resulting in a 1: 1 mixture of the meso and racemic diacid (Me).
- Trifluoromethanesulfonklaanhydrid trifluoroacetic anhydride or mesyl chloride, or b3) conversion of the free carboxyl function in aldehyde by reduction with
- the compound of the formula (Hf) can also be present as another enantiomer, racemate or, if possible, in mesoform or as isomeric mixture.
- a further embodiment of the process according to the invention relates to the preparation of the compound of the formula (I) via nitrile compounds of the formula (IV), as shown in Scheme 3.
- R 1 and R 2 have the meaning given to the compound of the formula (IVa) and Y represents various metals, such as alkali metals or metal halide, metal alkoxide or metal carboxylate, in which the metal is Mg, Al, B, Mn 1 Cu, Cd, Zn and Sn can stand,
- the chiral compound of the formula (Ng) can be obtained by the following steps:
- L represents a customary leaving group, such as halogen, preferably Cl or Br, or mesylate, tosylate or triflate, etc.,
- the compound of the formula (Hg) may also be present as another enantiomer, racemate or in mesoform or a mixture thereof.
- Alkylation of the Isovaleriannitrils can in aprotic solvents, preferably THF, toluene, or ether, after an initial deprotonation of the compound (Xa) with a strong base such as alkali metal hydrides or alkali metal amides, preferably lithium dialkylamides, such as LDA or LHMDS, at - 78 0 C to 0 0 C or even at RT.
- the deprotonated nitrile (Xa) is then treated with 0.5-fold equivalent of the compound of formula (XI) at -78 ° C to RT, preferably at 0 0 C treated.
- the untreated mixture contains a substantially equimolar mixture of both possible diastereomers, which are subsequently separated.
- R 3 is COOR 6 wherein R 6 is H or M, wherein M is alkali metal, one equivalent of an alkaline earth metal, or straight or branched lower alkyl of 1 to 5 carbon atoms, benzyl or trialkylsilyl is shown in Scheme 4.
- the compound of the formula (I) is obtained by alkylating the phenolic group of a compound of the formula (Ia)
- C (O) X has the meaning given above for R 3 , obtainable with 3-methoxy-1-propyl halide, preferably chloride or bromide in the presence of a base.
- the compounds of formula (Ia) can be prepared according to Scheme 3 by Friedel-Crafts reaction of a compound of formula (Me) or (Hf) wherein W is halogen, preferably Cl or Br, or OCOR 12 where R 12 is branched lower alkyl having 1 to 5 carbon atoms, preferably pivaloyl, or OCOCF 3 , OSO 2 CH 3 or OSO 2 CF 3 and R 13 are branched or unbranched lower alkyl having 1 to 5 carbon atoms or benzyl, with a compound of formula (MIb )
- C (O) X has the meaning mentioned above for R 3 .
- the hydrolytic removal of the leaving group PRG to obtain the free hydroxy function can alternatively be carried out before or after the reduction of the 8-oxo group.
- the reaction can be carried out in aprotic solvents customary for Friedel-Crafts reactions, preferably chlorinated hydrocarbons, such as methylene chloride, dichloroethane, or hydrocarbons, preferably hexane or heptane.
- the Lewis acids used as catalyst may be BF 3 etherate or metal halides, preferably Al, Zn or Bi halides or triflates.
- the reaction temperature may be between room temperature and the reflux temperature of the solvent.
- the reduction of the 8-oxo group can be carried out by the methods described above.
- the water layer was extracted 3 times with t-butyl methyl ether and then the aqueous phase was acidified with concentrated HCl.
- the acid water layer was extracted 3x with t-butylmethyl ether, dried over MgSO 4 and concentrated under reduced pressure to give frans-2,7-diisopropyl-oct-4-endionic acid as a white powder (36g, meso / rac: 53:47; Purity (HPLC): 95%). Recrystallization from methylcyclohexane gave frans-2,7-diisopropyl-oct-4-endione acid (28.3g, 80%) as white crystals.
- meso-diacid He
- meso-diacid 87:13
- meso (2R 7SHrans F-2,7-diisopropyl-oct-4-en-1, 8-dioic acid, m.p .: 108 0 C.
- (2R, 7R) -frans-2,7-diisopropyl-oct-4-ene-1, 8-dionic acid or mixtures of (2R.7S) and (2R, 7R) -dione acid were isomerized.
- This reaction mixture was added slowly to a cooled suspension of (2S, 7S) -frans-2,7-diisopropyl-oct-4-endione chloride (2.3g, 7.8mmol) and CuI (148mg, 0.78mmol) in dry THF ( 9 ml) was added.
- the reaction mixture was stirred at -78 0 C for 20 min, warmed to rt and stirred for an additional 45 min. After adding water (40 ml), the reaction mixture was stirred for 1 h and then acidified with HCl. The aqueous layer was extracted 3x with tert-butyl methyl ether and the organic layer dried over MgSO 4 and concentrated under reduced pressure.
- This reaction mixture was added slowly to a cooled (-78 0 C) suspension of (2S, 7S) -fra / 7S-2,7-diisopropyl-oct-4-endionsäurechlorid (1, 0 g; 3.4 mmol) and CuI (65 mg, 0.34 mmol) in dry THF (4 ml).
- the reaction mixture was stirred at -78 0 C for 45, warmed to rt and stirred for an additional 2h.
- water (20 ml) the reaction mixture was stirred for 1 h and then acidified with HCl.
- the aqueous layer was extracted 3x with tert-butyl methyl ether and the organic layer dried over MgSO 4 and concentrated under reduced pressure.
- Trifluoroacetic acid (1 ml) was added triethylsilane (250 ⁇ l, 1.5 mmol). After stirring the solution for 1 day at RT, a second portion of triethylsilane (250 ⁇ l, 1.5 mmol) was added, the solution stirred for a further 2 days at RT and then added to water. The aqueous layer was extracted 3x with tert-butyl methyl ether and the organic layer dried over MgSO 4 and concentrated under reduced pressure.
- the organic phase was dried over MgSO 4 and concentrated in vacuo and unreacted starting material rac- (2S, 7S) -trans-2,7-diisopropyl-oct-4-en-1, 8-dionic acid dimethyl ester (0.72 mg, 2.5 mmol ) was separated and can be reused.
- the aqueous phase was acidified with 4N hydrochloric acid and extracted with TBME (3x15 ml).
- the organic phase of this acidic extraction was dried over MgSO 4 and concentrated in vacuo. A colorless oil (1.10 g) was obtained.
- This reaction mixture was then added slowly to a cooled (-78 ° C.) suspension of the acid chloride of trans-2,7-diisopropyl-oct-4-en-1, 8-dionic acid monomethyl ester (8.33 g, 28.8 mmol). and CuI (560 mg, 2.9 mmol) in dry tetrahydrofuran (40 ml).
- the reaction mixture was stirred at -78 ° C for 40 min, warmed to RT and stirred for an additional 16 h. After adding water (200 ml), the reaction mixture was stirred for 1 h and then acidified with HCl.
- the aqueous phase was extracted with tert -butyl methyl ether (5x100 ml) and the organic phase was washed with 5% aqueous sodium hydroxide solution (50 ml) followed by saturated brine (50 ml), dried over MgSO 4 and reduced under reduced pressure concentrated.
- the crude residue (12 g) was purified by flash chromatography (pentane / acetone 8: 1) to give trans-2-isopropyl-7- [4-methoxy-3- (3-methoxy-propoxy) -benzoyl] - 8-methyl-non-4-enoic acid (1.55 g, 3.5 mmol, 12%) as a pale yellow oil.
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| DE102005052195A DE102005052195A1 (de) | 2005-10-28 | 2005-10-28 | Verfahren zur Herstellung von chiralen Octensäurederivaten |
| PCT/EP2006/010361 WO2007048620A1 (de) | 2005-10-28 | 2006-10-27 | Verfahren zur herstellung von octensäurederivaten |
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| WO2011048523A1 (en) * | 2009-10-21 | 2011-04-28 | CarboDesign LLC | Process for the manufacture of enantiomerically pure aryloctanoic acids as aliskiren |
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| US20110137047A1 (en) * | 2009-12-07 | 2011-06-09 | CarboDesign LLC | Process for enantiomerically pure 8-Aryloctanoic acids as Aliskiren |
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| US5606078A (en) * | 1994-04-18 | 1997-02-25 | Ciba-Geigy Corporation | 3,5-Disubstituted tetrahydrofuran-2-ones |
| MY119161A (en) | 1994-04-18 | 2005-04-30 | Novartis Ag | Delta-amino-gamma-hydroxy-omega-aryl-alkanoic acid amides with enzyme especially renin inhibiting activities |
| ES2312346T3 (es) * | 1999-07-29 | 2009-03-01 | Speedel Pharma Ag | Produccion de 2,7-dialquil-4-hidroxi-5-amino-8-aril-octanoilamidas n-sustituidas. |
| JP2004502663A (ja) | 2000-07-03 | 2004-01-29 | シュペーデル・ファルマ・アーゲー | (r)−2−アルキル−3−フェニルプロピオン酸の調製 |
| BR0112128A (pt) | 2000-07-03 | 2003-05-13 | Speedel Pharma Ag | Processo para a preparação de (r)-2-alquil-3-fenil-1-propanóis |
| US6730798B2 (en) | 2000-07-05 | 2004-05-04 | Speedel Pharma Ag | Process for the preparation of substituted octanoyl amides |
| AU2001273764A1 (en) | 2000-07-25 | 2002-02-05 | Speedel Pharma Ag | Process for the preparation of substituted octanoyl amides |
| DE10039643A1 (de) | 2000-08-14 | 2002-02-28 | Max Planck Gesellschaft | Funktionalisierte Perylentetracarbonsäurediimide |
| WO2002092828A2 (en) | 2001-05-15 | 2002-11-21 | Speedel Pharma Ag | Process for the preparation of substituted carboxylic acid estersby enzymatic hydrolysis |
| US20060154926A1 (en) | 2002-06-11 | 2006-07-13 | Elan Pharmaceuticals, Inc. | Methods of treating alzheimer's disease using aryl alkanoic acid amides |
| US20040214832A1 (en) | 2003-04-10 | 2004-10-28 | Cuiman Cai | Piperazine derivative renin inhibitors |
| EP1582523A1 (de) | 2004-04-02 | 2005-10-05 | Ludwig-Maximilians-Universität München | Verfahren zur Herstellung von Organomagnesiumverbindungen |
| RU2470018C2 (ru) * | 2005-07-11 | 2012-12-20 | Новартис Аг | Новые производные пирокатехина |
| GB0521083D0 (en) * | 2005-10-17 | 2005-11-23 | Novartis Ag | Organic compounds |
-
2005
- 2005-10-28 DE DE102005052195A patent/DE102005052195A1/de not_active Withdrawn
-
2006
- 2006-10-27 US US12/091,795 patent/US8445708B2/en not_active Expired - Fee Related
- 2006-10-27 JP JP2008537007A patent/JP2009513591A/ja active Pending
- 2006-10-27 EP EP06806578A patent/EP1943207A1/de not_active Withdrawn
- 2006-10-27 CN CN200680043266.8A patent/CN101341113B/zh not_active Expired - Fee Related
- 2006-10-27 WO PCT/EP2006/010361 patent/WO2007048620A1/de not_active Ceased
-
2012
- 2012-03-16 US US13/422,144 patent/US8450519B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007048620A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101341113A (zh) | 2009-01-07 |
| CN101341113B (zh) | 2013-07-10 |
| WO2007048620A1 (de) | 2007-05-03 |
| US8445708B2 (en) | 2013-05-21 |
| US8450519B2 (en) | 2013-05-28 |
| US20120178959A1 (en) | 2012-07-12 |
| DE102005052195A1 (de) | 2007-05-03 |
| JP2009513591A (ja) | 2009-04-02 |
| US20090221848A1 (en) | 2009-09-03 |
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