CN118598908A - 一种环丙烷骨架双膦配体与其钴配合物和制备方法及应用 - Google Patents
一种环丙烷骨架双膦配体与其钴配合物和制备方法及应用 Download PDFInfo
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- CN118598908A CN118598908A CN202310203354.5A CN202310203354A CN118598908A CN 118598908 A CN118598908 A CN 118598908A CN 202310203354 A CN202310203354 A CN 202310203354A CN 118598908 A CN118598908 A CN 118598908A
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- cyclopropane
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- 239000003446 ligand Substances 0.000 title claims abstract description 79
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical compound PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 title claims abstract description 51
- 150000004700 cobalt complex Chemical class 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title abstract description 10
- -1 alkenyl silicon compound Chemical class 0.000 claims abstract description 99
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims abstract description 20
- 238000006459 hydrosilylation reaction Methods 0.000 claims abstract description 19
- 150000001345 alkine derivatives Chemical class 0.000 claims abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 9
- 150000004756 silanes Chemical class 0.000 claims abstract description 8
- 229910000077 silane Inorganic materials 0.000 claims abstract description 6
- 230000003213 activating effect Effects 0.000 claims abstract description 5
- 238000010511 deprotection reaction Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000010668 complexation reaction Methods 0.000 claims abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 35
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 11
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 6
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 6
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 6
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000085 borane Inorganic materials 0.000 claims description 5
- 150000001868 cobalt Chemical class 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 125000004423 acyloxy group Chemical group 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 239000012973 diazabicyclooctane Substances 0.000 claims description 4
- 125000001188 haloalkyl group Chemical group 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- KAVKNHPXAMTURG-UHFFFAOYSA-N n-(4-bromonaphthalen-1-yl)acetamide Chemical compound C1=CC=C2C(NC(=O)C)=CC=C(Br)C2=C1 KAVKNHPXAMTURG-UHFFFAOYSA-N 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 2
- KWEKXPWNFQBJAY-UHFFFAOYSA-N (dimethyl-$l^{3}-silanyl)oxy-dimethylsilicon Chemical compound C[Si](C)O[Si](C)C KWEKXPWNFQBJAY-UHFFFAOYSA-N 0.000 claims description 2
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 claims description 2
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- UYQKTMMDHKHNSU-UHFFFAOYSA-N COC(C[SiH3])OC Chemical compound COC(C[SiH3])OC UYQKTMMDHKHNSU-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 150000001350 alkyl halides Chemical class 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002585 base Substances 0.000 claims description 2
- 125000004744 butyloxycarbonyl group Chemical group 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- NBBQQQJUOYRZCA-UHFFFAOYSA-N diethoxymethylsilane Chemical compound CCOC([SiH3])OCC NBBQQQJUOYRZCA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- DRUOQOFQRYFQGB-UHFFFAOYSA-N ethoxy(dimethyl)silicon Chemical compound CCO[Si](C)C DRUOQOFQRYFQGB-UHFFFAOYSA-N 0.000 claims description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000000268 heptanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000001072 heteroaryl group Chemical group 0.000 claims description 2
- 125000003104 hexanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000005935 hexyloxycarbonyl group Chemical group 0.000 claims description 2
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 125000005929 isobutyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])OC(*)=O 0.000 claims description 2
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 claims 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 claims description 2
- 125000005932 isopentyloxycarbonyl group Chemical group 0.000 claims description 2
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 claims description 2
- ZGEZPSPEVXDOMG-UHFFFAOYSA-N lithium;phosphane Chemical class [Li].P ZGEZPSPEVXDOMG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000005244 neohexyl group Chemical group [H]C([H])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 125000005933 neopentyloxycarbonyl group Chemical group 0.000 claims description 2
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 claims description 2
- 125000001148 pentyloxycarbonyl group Chemical group 0.000 claims description 2
- 150000003003 phosphines Chemical class 0.000 claims description 2
- 150000003109 potassium Chemical class 0.000 claims description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000004742 propyloxycarbonyl group Chemical group 0.000 claims description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Chemical group 0.000 claims description 2
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 125000005934 tert-pentyloxycarbonyl group Chemical group 0.000 claims description 2
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 2
- XAASNKQYFKTYTR-UHFFFAOYSA-N tris(trimethylsilyloxy)silicon Chemical compound C[Si](C)(C)O[Si](O[Si](C)(C)C)O[Si](C)(C)C XAASNKQYFKTYTR-UHFFFAOYSA-N 0.000 claims description 2
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 abstract description 6
- VEVCGSXQOHPSNQ-UHFFFAOYSA-N C1CC1.Br.Br Chemical class C1CC1.Br.Br VEVCGSXQOHPSNQ-UHFFFAOYSA-N 0.000 abstract description 4
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 abstract description 4
- MPVQWKNBKIHNGX-UHFFFAOYSA-N cyclopropane phosphane Chemical compound P.P.C1CC1 MPVQWKNBKIHNGX-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 50
- 238000002844 melting Methods 0.000 description 18
- 230000008018 melting Effects 0.000 description 18
- 239000007787 solid Substances 0.000 description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 10
- 239000007858 starting material Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 238000000816 matrix-assisted laser desorption--ionisation Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000003480 eluent Substances 0.000 description 6
- VBRLZTLFLNZEPZ-UHFFFAOYSA-N hex-1-ynylbenzene Chemical compound CCCCC#CC1=CC=CC=C1 VBRLZTLFLNZEPZ-UHFFFAOYSA-N 0.000 description 6
- GCXVBQCXVSANIT-UHFFFAOYSA-N boron;phenylphosphane Chemical compound [B].PC1=CC=CC=C1 GCXVBQCXVSANIT-UHFFFAOYSA-N 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010898 silica gel chromatography Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001942 cyclopropanes Chemical class 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- CXNIUSPIQKWYAI-UHFFFAOYSA-N xantphos Chemical compound C=12OC3=C(P(C=4C=CC=CC=4)C=4C=CC=CC=4)C=CC=C3C(C)(C)C2=CC=CC=1P(C=1C=CC=CC=1)C1=CC=CC=C1 CXNIUSPIQKWYAI-UHFFFAOYSA-N 0.000 description 2
- 239000007825 activation reagent Substances 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000009876 asymmetric hydrogenation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical compound C1=CC=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 MUALRAIOVNYAIW-UHFFFAOYSA-N 0.000 description 1
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N binaphthyl group Chemical group C1(=CC=CC2=CC=CC=C12)C1=CC=CC2=CC=CC=C12 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
- UORVGPXVDQYIDP-BJUDXGSMSA-N borane Chemical class [10BH3] UORVGPXVDQYIDP-BJUDXGSMSA-N 0.000 description 1
- BWJRMVLPCQPWGR-UHFFFAOYSA-N boron;phosphane Chemical compound [B].P BWJRMVLPCQPWGR-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004896 high resolution mass spectrometry Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 125000001834 xanthenyl group Chemical group C1=CC=CC=2OC3=CC=CC=C3C(C12)* 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
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Abstract
本发明涉及一种环丙烷骨架双膦配体与其钴配合物和制备方法及其应用。具体讲的是以反式取代的环丙烷二溴化物为原料,经取代,脱保护等反应得到具有偕二芳基取代的反式环丙烷双膦配体,将其与二氯化钴进行络合反应,可以制备相应的环丙烷双膦配体钴配合物。在活化试剂存在下,该双膦配体钴配合物能够催化炔烃与三取代硅烷的硅氢化反应,得到烯基硅化合物,表现出很高的活性和独特的选择性,具有良好的应用前景。
Description
技术领域
本发明涉及一种环丙烷骨架双膦配体与其钴配合物和制备方法及其应用。具体讲的是以反式取代的环丙烷二溴化物为原料,经取代、脱保护等反应得到具有偕二芳基取代的反式环丙烷双膦配体,将其与二氯化钴进行络合反应,可以制备相应的环丙烷双膦配体钴配合物。在活化试剂存在下,该双膦配体钴配合物能够催化炔烃与三取代硅烷的硅氢化反应,得到烯基硅化合物,表现出很高的活性和独特的选择性,具有很好的应用前景。
背景技术
在过渡金属催化领域,配体处于核心位置。而在类型众多的配体中,双膦配体是应用最为广泛的配体之一。在配体设计中,骨架对其活性,选择性和稳定性起到了决定性的支撑作用。许多双膦配体的成功都是基于优势骨架[(1)Yoon,T.P.;Jacobsen,E.N.Science2003,299,1691.(2)Zhou,Q.-L.Privileged Chiral Ligands and Catalysts,Wiley-VCHVerlag&Co.KGaA,Weinheim,Germany,2011.],例如基于联萘骨架的BINAP,基于螺双二氢茚骨架的SDP以及基于氧杂蒽骨架的Xantphos等。
总结起来,许多优势骨架双膦配体的结构中都含有五元或六元环,可能的原因是其环张力小,简单易得,所以应用广泛。而作为最小的环系结构,环丙烷骨架刚性而且合成及修饰较为简单,但以其作为核心骨架的双膦配体研究很少。1979年,Varagnat小组报道了反式取代环丙烷双膦配体TBDCP的合成,其在氢化及氢甲酰化反应中表现出一定的选择性。并且后续的研究表明,其与过渡金属镍可以形成螯合配位结构[(1)Aviron-violet,P.;Colleuille,Y.;Varagnat,J.J.Mol.Catal.1979,5,41.(2)Casey,C.P.;Whiteker,G.T.;Melville,M.G.et al.J.Am.Chem.Soc.1992,114,5535.(3)Molander,G.A.;Burke,J.P.;Carroll,P.J.J.Org.Chem.2004,69,8062.]。2010年,Eycken课题组设计合成了具有偕二膦亚甲基取代环丙烷结构的手性双膦配体,并展示了其在不对称氢化,1,4-加成及烯丙基取代反应中的应用,可以取得中等偏上的对映选择性[(1)Y.;T.;der Eycken,J.V.et al.Tetrahedron:Asymmetry 2010,21,2321;(2)Y.;T.;der Eycken,J.V.Tetrahedron:Asymmetry 2010,21,2768.]。总体说来,迄今以环丙烷作为核心骨架的双膦配体报道较少,其应用亦有待挖掘。
我们设计合成了具有偕二芳基取代基的反式取代环丙烷骨架双膦配体。因环丙烷独特的电子和空间结构决定了组成该环系的三个碳原子之间的联动关系,偕二芳基电性和位阻的变化可能影响到整个配体的性质,并且众多的取代基可以提高环丙烷骨架的稳定性。将该配体与丰产金属钴搭配,可以实现芳基烷基内炔与三取代硅烷的区域发散性硅氢化反应,实现了文献中还不能很好控制的区域选择性,体现了环丙烷骨架双膦配体的优势。
发明内容
本发明的目的在于提供一种环丙烷骨架双膦配体与其钴配合物的制备方法及其应用,以克服已有技术的不足。
本发明所述的环丙烷骨架双膦配体(I),其特征在于具有如下的结构式:
其中:
R1、R2为苯基、取代的苯基,R1、R2可以相同,也可以不同;
所述取代的苯基,取代基为C1-C8烷基、C1-C8烷氧基、C2-C8酰氧基、羟基、卤素、氨基、(C1-C8酰基)氨基、二(C1-C8烷基)氨基、C1-C8酰基、C2-C8酯基、卤代烷中的一种或几种;取代基数目为0-5;
按照权利要求1所述的环丙烷骨架双膦配体,其特征在于:
所述的C1-C8烷基为甲基、乙基、正丙基、异丙基、环丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基、异戊基、新戊基、仲戊基、叔戊基、正己基、异己基、新己基、仲己基、叔己基、正庚基、异庚基、新庚基、仲庚基、叔庚基、正辛基、异辛基、新辛基、仲辛基或叔辛基;
所述的C1-C8酰基为甲酰基、乙酰基、丙酰基、正丁酰基、异丁酰基、正戊酰基、异戊酰基、仲戊酰基、新戊酰基、正己酰基、异己酰基、新己酰基、仲己酰基、正庚酰基、异庚酰基、新庚酰基、仲庚酰基、正辛酰基、异辛酰基、新辛酰基、仲辛酰基、1-环丙基甲酰基、1-环丁基甲酰基、1-环戊基甲酰基、1-环己基甲酰基、1-环庚基甲酰基;
所述的C2-C8酰氧基为乙酰氧基、丙酰氧基、正丁酰氧基、异丁酰氧基、正戊酰氧基、异戊酰氧基、仲戊酰氧基、新戊酰氧基、正己酰氧基、异己酰氧基、新己酰氧基、仲己酰氧基、正庚酰氧基、异庚酰氧基、新庚酰氧基、仲庚酰氧基、正辛酰氧基、异辛酰氧基、新辛酰氧基、仲辛酰氧基、1-环丙基甲酰氧基、1-环丁基甲酰氧基、1-环戊基甲酰氧基、1-环己基甲酰氧基、1-环庚基甲酰氧基;
所述的C2-C8酯基为甲氧羰基、乙氧羰基、丙氧羰基、异丙氧羰基、丁氧羰基、异丁氧羰基、正戊氧羰基、异戊氧羰基、新戊氧羰基、仲戊氧羰基、叔戊氧羰基、环戊氧羰基、正己氧羰基、异己氧羰基、新己氧羰基、仲己氧羰基、叔己氧羰基、环己氧羰基、正庚氧羰基、异庚氧羰基、新庚氧羰基、仲庚氧羰基、叔庚氧羰基、环庚氧羰基;
所述的卤代烷基为含氟、氯、溴或碘的卤代烷基。
所述的环丙烷骨架双膦配体(I),其特征在于它是:
这些双膦配体可以是外消旋体、左旋体和右旋体。
环丙烷骨架双膦配体(I)的制备方法,其特征在于它是经过如下步骤制备:
(1)在四氢呋喃、乙醚、叔丁基甲基醚中的一种或几种溶剂中,-78-80℃下,以正丁基锂为碱,先与二取代膦氢硼烷加合物作用,生成二取代膦锂试剂,再加入原料二溴化物,令二取代膦基取代溴,反应1-24小时,制备得到反式取代的环丙烷骨架双膦配体硼烷加合物,其反应式为:
(2)在四氢呋喃、乙醚、叔丁基甲基醚、甲苯中的一种或几种溶剂中,0-120℃下,以三乙烯二胺(DABCO)为脱保护试剂,反应1-24小时,制备得到反式取代的环丙烷骨架双膦配体,其反应式为:
其中,R1、R2如化合物(I)所定义。
环丙烷骨架双膦配体钴配合物(II),其特征在于具有如下的结构式:
其中:R1、R2如化合物(I)所定义。
所述的环丙烷骨架双膦配体钴配合物(H),其特征在于它是:
这些双膦配体钴配合物可以是外消旋体、左旋体和右旋体。
所述的环丙烷骨架双膦配体钴配合物(II)的制备方法,其特征在于它是经过如下步骤制备:在有机溶剂中,0-120℃下,环丙烷骨架双膦配体与二氯化钴络合1-48小时,制备得到环丙烷骨架双膦配体钴配合物,其反应式为:
其中,R1、R2如化合物(I)所定义。络合反应所用有机溶剂为苯、甲苯、乙醚、叔丁基甲基醚、四氢呋喃、乙腈、二氯甲烷或氯仿中的一种或几种。
环丙烷骨架双膦配体钴配合物(II)的应用,其特征在于它作为催化剂用于炔烃的硅氢化反应:
其中:R3-R4是氢、苯基、取代苯基、杂芳基、烯基、硅基、烷基及官能团取代的烷基,R3、R4可以相同,也可以不同。HSiX3是三取代硅烷,具体可以是三甲氧基硅烷、三乙氧基硅烷、三异丙氧基硅烷、三(三甲基硅氧基)硅烷、二甲氧基乙基硅烷、二乙氧基甲基硅烷、二甲基乙氧基硅烷、1,l,3,3-四甲基二硅氧烷。
环丙烷骨架双膦配体钴配合物的应用,其特征在于所述的硅氢化反应条件是:催化剂用量为0.01-5mol%;活化试剂为有机锂、有机镁、有机铝、有机锌试剂、甲醇、乙醇、叔丁醇的碱金属(锂、钠、钾)盐、四(3,5-二(三氟甲基)苯基)硼酸钠(NaBArF)中的一种或几种;所用溶剂是C1-C8的醚类,甲苯,烷烃或底物本身(无溶剂条件)中的一种或几种;如有溶剂,底物浓度为0.1-10M;反应温度为0-120℃;反应时间为1-48小时。
本发明的优点和有益效果:
总而言之,以反式取代的环丙烷二溴化物为原料,经过取代,脱保护等反应可以制备得到反式环丙烷双膦配体,将得到的配体与二氯化钴进行络合反应,可以制备相应的环丙烷骨架双膦配体钴配合物。在活化试剂存在的条件下,该新型环丙烷骨架双膦配体钴配合物可以高效催化内炔与三取代硅烷的硅氢化反应,并表现出以下特点:通过配体及活化试剂的微调,可以实现芳基烷基内炔与三取代硅烷的区域发散性硅氢化反应。除此之外,环丙烷骨架双膦配体钴配合物催化的内炔硅氢化反应还具有操作简单,条件温和,底物适用范围广,官能团兼容度高,易于放大等优点。上述特点表明,本发明所提供的环丙烷骨架双膦配体钴配合物克服了已有技术的缺点,是目前催化内炔与三取代硅烷硅氢化反应最为高效的催化剂之一,具有很好的应用前景。
具体实施方式
通过下述实施实例将有助于进一步理解本发明,但不应将此理解为本发明上述主题的范围仅限于以下的实施例,凡基于本发明上述内容所实现的技术均属于本发明的范围。
一般说明:
以下实例中使用了缩写,其含义如下:
Me是甲基,Et是乙基,tPr是异丙基,tBu是叔丁基,Ph是苯基,Ar代表芳基取代基,R代表烷基取代基,toluene是甲苯,PE是石油醚,EA是乙酸乙酯,CDCl3是氘代氯仿,DABCO是三乙烯二胺,NaBArF是四(3,5-二(三氟甲基)苯基)硼酸钠,PTFE是聚四氟乙烯。
equiv是当量,rt代表室温,TLC是薄层色谱,NMR是核磁共振,HRMS是高分辨质谱,MALDI代表基质辅助激光解吸附电离。
所用溶剂在使用前经标准操作提纯,干燥;所用试剂均为市售或按照已有文献方法合成得到,并在使用前提纯。
实施例1:3,3-二苯基环丙烷-1,2-二亚甲基二芳基膦硼烷加合物3a-3f的制备
3,3-二苯基环丙烷-1,2-二亚甲基二(2-萘基)膦硼烷加合物3a的合成:
于100mL Schlenk瓶中加入膦氢硼烷加合物4a(1.32g,4.4mmol,2.2equiv),之后密封体系并以氩气保护体系。向体系中注入无水四氢呋喃(20mL),之后将体系预冷至-78℃,在此温度及搅拌条件下,向体系中滴加正丁基锂溶液(1.6M正己烷溶液,3mL,4.8mmol,2.4equiv)。滴加完毕后,移去冷浴,令体系自然恢复室温。室温搅拌1h后,将溶于无水四氢呋喃(10mL)的环丙烷二溴化物5(760mg,2mmol)滴加至反应体系。室温搅拌6h后,向体系中滴加甲醇(1mL)淬灭反应,加入硅胶制样,通过硅胶柱层析(洗脱剂为PE/EA=10∶1,v/v)提纯产物。得到白色固体3a 936mg,收率57%,熔点205-207℃。
1H NMR(400MHz,CDCl3)δ8.13(dd,J=12.5,7.7Hz,4H),7.82-7.70(m,12H),7.56-7.35(m,12H),7.03-6.95(m,10H),2.21-2.12(m,1H),2.04-1.90(m,4H),1.20(br,5H).
13C NMR(101MHz,CDCl3)δ141.31,134.31(dd,J=4.1,1.9Hz),133.99(dd,J=10.6,5.1Hz),132.74(dd,J=11.7,4.2Hz),130.18,128.98(d,J=9.3Hz),128.75,128.69,128.55(d,J=47.1Hz),127.95(dd,J=23.6,5.7Hz),127.13-126.93(m),126.67,126.52,126.11,42.15(t,J=5.2Hz),26.05(d,J=36.0Hz),25.30(q,J=4.4Hz).
31P NMR(162MHz,CDCl3)δ16.31.
HRMS(ESI)calcd for[M+Na,C57H50B2NaP2]+:841.3466,found:841.3488.
以下化合物的合成方法与实施例1相同
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二甲基)苯基膦硼烷加合物(3b)
白色固体,1.09g(由2mmol原料5制得),收率75%,熔点197-199℃。
1H NMR(400MHz,CDCl3)δ7.18(d,J=10.9Hz,4H),7.11-7.07(m,10H),7.02-6.98(m,8H),2.27(d,J=15.8Hz,24H),2.00-1.91(m,2H),1.90-1.80(m,4H),1.11(br,6H).
13C NMR(101MHz,CDCl3)δ141.66,138.44(t,J=10.1Hz),133.06(dd,J=14.9,2.5Hz),130.36,129.87(dd,J=9.1,2.9Hz),129.49-128.92(m),128.19,126.36,42.12(t,J=4.8Hz),25.98(d,J=36.3Hz),25.13(dd,J=6.9,4.3Hz),21.47(d,J=6.2Hz).
31P NMR(162MHz,CDCl3)δ14.74.
HRMS(ESI)calcd for[M+Na,C49H58B2NaP2]+:753.4092,found:753.4098.
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二苯基)苯基膦硼烷加合物(3c)
白色固体,536mg(由0.75mmol原料5制得),收率58%,熔点101-104℃。
1H NMR(400MHz,CDCl3)δ7.82-7.70(m,12H),7.51-7.48(m,16H),7.43-7.30(m,24H),7.08-7.05(m,4H),6.98-6.94(m,6H),2.32-2.20(m,4H),2.18-2.12(m,2H),1.26(br,6H).
13C NMR(101MHz,CDCl3)δ142.42(dd,J=10.2,3.6Hz),141.19,140.00(d,J=3.0Hz),131.34,130.77(d,J=9.8Hz),130.22,130.18,129.73(t,J=10.5Hz),129.34,128.98(d,J=4.7Hz),128.31,128.00(d,J=6.2Hz),127.40(d,J=7.0Hz),126.63,42.44(t,J=5.2Hz),26.40(d,J=35.8Hz),24.80(dd,J=7.3,4.3Hz).
31P NMR(162MHz,CDCl3)δ17.03.
HRMS(ESI)calcd for[M+Na,C89H74B2NaP2]+:1249.5344,found:1249.5350.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-叔丁基)苯基膦硼烷加合物(3d)
白色固体,847mg(由2mmol原料5制得),收率50%,熔点231-233℃。
1H NMR(400MHz,CDCl3)δ7.58-7.53(m,4H),7.48-7.40(m,8H),7.37-7.33(m,4H),7.14-7.05(m,6H),7.00-6.96(m,4H),2.05-1.96(m,2H),1.90-1.79(m,4H),1.26(d,J=13.9Hz,36H),1.12(br,6H).
13C NMR(101MHz,CDCl3)δ154.48(dd,J=9.1,2.4Hz),141.56,132.18(d,J=9.4Hz),130.31,128.30,126.40(t,J=22.3Hz),125.96(dd,J=18.9,10.2Hz),125.84(d,J=46.0Hz),42.10(t,J=5.0Hz),34.95,31.20(d,J=4.3Hz),26.35(d,J=36.7Hz),25.43-25.29(m).
31P NMR(162MHz,CDCl3)δ13.33.
HRMS(ESI)calcd for[M+Na,C57H74B2NaP2]+:865.5344,found:865.5348.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-苯基)苯基膦硼烷加合物(3e)
白色固体,1.02g(由2mmol原料5制得),收率55%,熔点145-148℃。
1H NMR(400MHz,CDCl3)δ7.67(t,J=9.1Hz,4H),7.60-7.47(m,20H),7.45-7.30(m,12H),7.15-7.07(m,10H),2.18-2.09(m,2H),2.04-1.86(m,4H),1.26(br,6H).
13C NMR(101MHz,CDCl3)δ144.02(d,J=2.5Hz),141.39,139.86(d,J=14.5Hz),132.76(t,J=10.3Hz),130.20,129.01(d,J=8.9Hz),128.48,128.41,128.17(d,J=5.1Hz),127.93,127.59(t,J=9.0Hz),127.26(d,J=5.1Hz),126.53,42.02(t,J=5.5Hz),26.41(d,J=36.1Hz),25.30(t,J=5.8Hz).
31P NMR(162MHz,CDCl3)δ14.86.
HRMS(ESI)calcd for[M+Na,C65H58B2NaP2]+:945.4092,found:945.4115.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-甲氧基)苯基膦硼烷加合物(3f)
白色固体,1.26g(由2mmol原料5制得),收率85%,熔点80-82℃。
1H NMR(400MHz,CDCl3)δ7.51(t,J=9.3Hz,4H),7.40(t,J=9.3Hz,4H),7.15-7.08(m,6H),7.03-7.00(m,4H),6.94-6.91(m,4H),6.85-6.82(m,4H),3.78(d,J=5.1Hz,12H),2.00-1.92(m,2H),1.86-1.71(m,4H),1.12(br,6H).
13C NMR(101MHz,CDCl3)δ161.87(dd,J=3.9,2.4Hz),141.56,133.88(t,J=9.7Hz),130.26,128.30,126.41,120.55(dd,J=60.0,40.2Hz),114.55(dd,J=17.7,10.9Hz),55.39,41.95-41.83(m),26.70(d,J=36.8Hz),25.25(dd,J=6.7,4.1Hz).
31P NMR(162MHz,CDCl3)δ12.76.
HRMS(ESI)calcd for[M+Na,C45H50B2NaO4P2]+:761.3263,found:761.3268.
实施例2:3,3-二苯基环丙烷-1,2-二亚甲基二芳基膦1a-1f的制备
3,3-二苯基环丙烷-1,2-二亚甲基二(2-萘基)膦1a的合成:
于50mL圆底烧瓶中加入3a(655mg,0.8mmol),三乙烯二胺(DABCO,450mg,4mmol,5equiv),向体系装备回流冷凝管并以氩气保护体系,随后向体系中注入四氢呋喃(5mL),加热至回流反应,TLC监控反应至完全(3h),停止加热,待反应体系冷却至室温后,加入硅胶制样,通过硅胶柱层析(洗脱剂为PE/EA=15∶1,v/v)提纯产物,得到白色固体1a 588mg,收率93%,熔点88-90℃。
1H NMR(400MHz,CDCl3)δ8.04(d,J=8.6Hz,2H),7.81-7.73(m,8H),7.71-7.62(m,6H),7.49-7.40(m,8H),7.29-7.16(m,12H),7.14-7.09(m,2H),1.98-1.82(m,4H),1.62-1.55(m,2H).
13C NMR(101MHz,CDCl3)δ142.58,136.20(dd,J=91.2,15.3Hz),133.49,133.34(dd,J=138.7,26.9Hz),133.34-133.17(m),133.23,130.59,129.17(dd,J=22.3,14.6Hz),128.32,128.22-127.90(m),127.94(dd,J=28.1,8.7Hz),126.63(d,J=20.1Hz),126.42,126.31,43.42(t,J=6.3Hz),29.17(dt,J=13.1,2.6Hz),28.03-27.49(m).
31P NMR(162MHz,CDCl3)δ-16.46.
HRMS(MALDI)calcd for[M+H,C57H45P2]+:791.2991,found:791.2979.
以下化合物的合成方法与实施例2相同
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二甲基)苯基膦(1b)
白色固体,812mg(由1.2mmol原料3b制得),收率96%,熔点63-66℃。
1H NMR(400MHz,CDCl3)δ7.25-7.17(m,8H),7.11(t,J=7.1Hz,2H),7.05(d,J=7.4Hz,4H),6.94-6.87(m,8H),2.26(d,J=18.9Hz,24H),1.82-1.65(m,4H),1.51-1.43(m,2H).
13C NMR(101MHz,CDCl3)δ142.88,138.65(dd,J=75.9,13.9Hz),137.90-137.61(m),130.92(d,J=19.6Hz),130.74,130.34(dd,J=27.2,8.3Hz),128.17,126.21,43.71(t,J=5.7Hz),29.11(d,J=12.6Hz),28.02-27.63(m),21.44(d,J=5.9Hz).
31P NMR(162MHz,CDCl3)δ-17.46.
HRMS(MALDI)calcd for[M+H,C49H53P2]+:703.3617,found 703.3611.
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二苯基)苯基膦(1c)
白色固体,800mg(由0.8mmol原料3c制得),收率83%,熔点120-123℃。
1H NMR(400MHz,CDCl3)δ7.70-7.67(m,8H),7.59-7.50(m,20H),7.41-7.28(m,28H),7.18-7.08(m,6H),2.10-1.94(m,4H),1.79-1.70(m,2H).
13C NMR(101MHz,CDCl3)δ142.53,141.99-141.81(m),140.93(d,J=6.0Hz),139.90(dd,J=84.9,15.8Hz),130.64,131.06-130.29(m),128.91,128.40,127.63(d,J=3.2Hz),127.44(d,J=4.5Hz),126.94,126.55(d,J=8.5Hz),44.12(t,J=7.1Hz),29.86(d,J=12.6Hz),27.93-27.61(m).
31P NMR(162MHz,CDCl3)δ-16.51.
HRMS(MALDI)calcd for[M+H,C89H69P2]+:1199.4869,found:1199.4876.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-叔丁基)苯基膦(1d)
白色固体,750mg(由0.95mmol原料3d制得),收率97%,熔点118-120℃。
1H NMR(400MHz,CDCl3)δ7.41-7.35(m,8H),7.29-7.26(m,4H),7.24-7.17(m,12H),7.14-7.09(m,2H),1.80-1.70(m,4H),1.52-1.45(m,2H),1.29(d,J=15.9Hz,36H).
13C NMR(101MHz,CDCl3)δ151.45(d,J=39.0Hz),142.88,135.46(dd,J=125.9,13.2Hz),132.72(dd,J=61.3,19.2Hz),130.69,128.19,126.24,125.85-125.18(m),43.58(t,J=5.9Hz),34.71(d,J=8.3Hz),31.41(d,J=4.6Hz),29.47(d,J=12.4Hz),28.19-27.77(m).
31P NMR(162MHz,CDCl3)δ-20.17.
HRMS(MALDI)calcd for[M+H,C57H69P2]+:815.4869,found:815.4874.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-苯基)苯基膦(1e)
白色固体,440mg(由0.8mmol原料3e制得),收率61%,熔点113-116℃。
1H NMR(400MHz,CDCl3)δ7.56-7.47(m,20H),7.43-7.29(m,20H),7.27-7.22(m,4H),7.16(t,J=7.1Hz,2H),1.85(qd,J=14.3,5.9Hz,4H),1.60(q,J=5.7Hz,2H).
13C NMR(101MHz,CDCl3)δ142.62,141.34(d,J=40.2Hz),140.62(d,J=11.3Hz),137.75(dd,J=131.6,14.8Hz),133.37(dd,J=82.0,19.7Hz),130.62,128.93(d,J=3.9Hz),128.34,127.61(d,J=7.4Hz),127.33-127.09(m),127.16(d,J=2.1Hz),126.44,43.24(t,J=6.5Hz),29.54(d,J=12.7Hz),28.04-27.73(m).
31P NMR(162MHz,CDCl3)δ-18.88.
HRMS(MALDI)calcd for[M+H,C65H53P2]+:895.3617,found:895.3610.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-甲氧基)苯基膦(1f)
白色固体,605mg(由1mmol原料3f制得),收率85%,熔点63-66℃。
1H NMR(400MHz,CDCl3)δ7.34-7.29(m,4H),7.26-7.18(m,8H),7.17-7.09(m,6H),6.87(d,J=8.6Hz,4H),6.79(d,J=8.5Hz,4H),3.78(d,J=18.3Hz,12H),1.73-1.62(m,4H),1.47-1.40(m,2H).
13C NMR(101MHz,CDCl3)δ160.04(d,J=37.0Hz),142.81,134.14(dd,J=82.9,20.7Hz),130.58,130.05(dd,J=134.2,12.3Hz),128.16,126.23,114.28-114.01(m),55.18(d,J=2.0Hz),43.07(t,J=6.5Hz),29.97(d,J=11.7Hz),27.90-27.58(m).
31P NMR(162MHz,CDCl3)δ-21.09.
HRMS(MALDI)calcd for[M+H,C45H45O4P2]+:711.2788,found:711.2790.
实施例3:环丙烷骨架双膦配体钴配合物2a-2f的制备
3,3-二苯基环丙烷-1,2-二亚甲基二(2-萘基)膦合二氯化钴(2a):
在充满氩气的手套箱中,向25mL Schlenk管中加入环丙烷骨架双膦配体1a(166mg,0.21mmol),二氯化钴(26mg,0.2mmol,0.95equiv),四氢呋喃(4mL),室温搅拌反应。24h后,将反应液通过0.22μm PTFE滤膜过滤,以2mL四氢呋喃洗涤。将滤液脱溶至1mL溶剂剩余,向体系中加入正己烷(5mL)打浆,抽滤,以正己烷洗涤滤饼,抽干,得产物(蓝色粉末)156mg,收率85%,熔点176-180℃。
1H NMR(400MHz,CDCl3)δ18.15,16.86,9.61,9.50,9.32,9.19,8.16,7.41,1.40,-9.55,-13.47.
以下化合物的合成方法与实施例3相同
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二甲基)苯基膦合二氯化钴(2b)
蓝色固体,210mg(由0.3mmol CoCl2制得),收率84%,熔点149-152℃。
1H NMR(400MHz,CDCl3)δ9.00,8.03,7.31,1.36,-1.23,-1.57,-4.62,-5.20,-5.89.
3,3-二苯基环丙烷-1,2-二亚甲基二(3,5-二苯基)苯基膦合二氯化钴(2c)
蓝色固体,240mg(由0.2mmol CoCl2制得),收率90%,熔点184-187℃。
1H NMR(400MHz,CDCl3)δ9.01,8.09,7.88,7.66,7.41,7.27,-3.65,-5.80.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-叔丁基)苯基膦合二氯化钴(2d)
蓝色固体,230mg(由0.3mmol CoCl2制得),收率81%,熔点258-262℃。
1H NMR(400MHz,CDCl3)δ15.91,15.22,8.52,8.52,7.86,7.20,1.20,0.99,-3.01.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-苯基)苯基膦合二氯化钴(2e)
蓝色固体,180mg(由0.2mmol CoCl2制得),收率88%,熔点234-238℃。
1H NMR(400MHz,CDCl3)δ16.65,15.66,9.08,8.03,7.85,7.61,7.31,5.70,5.64,5.33,5.26,-3.52,-4.06.
3,3-二苯基环丙烷-1,2-二亚甲基二(4-甲氧基)苯基膦合二氯化钴(2f)
蓝绿色固体,186mg(由0.25mmol CoCl2制得),收率89%,熔点160-164℃。
1H NMR(400MHz,CDCl3)δ15.15,14.50,8.89,7.99,7.27,4.73,4.55,-3.44.
实施例4:环丙烷骨架双膦配体钴配合物搭配AltBu3催化1-苯基-1-己炔的硅氢化反应
在充满氩气的手套箱中,向10mL反应管中加入环丙烷骨架双膦配体钴配合物(II)(0.006mmol,3mol%),甲苯(1mL),三异丁基铝(1M正己烷溶液,18μL,0.018mmol,9mol%),搅拌均匀后依次向体系中加入三乙氧基硅烷(39.4mg,0.24mmol,1.2equiv),1-苯基-1-己炔(31.6mg,0.2mmol),将反应管密封后于室温下搅拌10小时。反应结束后,将反应液通过滴管柱过滤,以PE/EA=10∶1(v/v)作为洗脱剂,将滤液脱溶,抽干后加入二溴甲烷作为核磁内标,通过1H NMR确定反应的转化率、收率及区域选择性。
表1:环丙烷骨架双膦配体钴配合物催化1-苯基-1-己炔硅氢化的实验结果
a转化率、收率、区域选择性由1H NMR测定。
实施例5:环丙烷骨架双膦配体钴配合物搭配NaBArF催化1-苯基-1-己炔的硅氢化反应
在充满氩气的手套箱中,向10mL反应管中加入环丙烷骨架双膦配体钴配合物(II)(0.006mmol,3mol%),甲苯(1mL),NaBArF(10.6mg,0.012mmol,6mol%),搅拌均匀后依次向体系中加入三乙氧基硅烷(39.4mg,0.24mmol,1.2equiv),1-苯基-1-己炔(31.6mg,0.2mmol),用旋塞封好反应管后于室温下搅拌10小时。反应结束后,将反应液通过滴管柱过滤,以PE/EA=10∶1(v/v)作为洗脱剂,将滤液脱溶,抽干后加入二溴甲烷作为核磁内标,通过1H NMR确定反应的转化率,收率及区域选择性。
表2:环丙烷骨架双膦配体钴配合物催化1-苯基-1-己炔硅氢化的实验结果
a转化率、收率、区域选择性由1H NMR测定。
实施例6:环丙烷骨架双膦配体钴配合物搭配AltBu3催化内炔硅氢化反应底物范围
在充满氩气的手套箱中,向10mL反应管中加入环丙烷骨架双膦配体钴配合物2d(14.2mg,0.015mmol,3mol%),甲苯(1mL),AliBu3(1M正己烷溶液,45μL,0.045mmol,9mol%),搅拌均匀后依次向体系中加入三乙氧基硅烷(98.6mg,0.6mmol,1.2equiv),相应内炔底物(0.5mmol),用旋塞封好反应管后于室温下搅拌10小时。反应结束后,将反应液通过滴管柱过滤,以PE/EA=10∶1(v/v)作为洗脱剂,将滤液脱溶,通过硅胶柱层析提纯产物,通过1H NMR确认产物中异构体比例。
表3:环丙烷骨架双膦配体钴配合物催化内炔硅氢化反应底物范围
a分离收率;b产物比例由1H NMR测定。
实施例7:环丙烷骨架双膦配体钴配合物搭配NaBArF催化内炔硅氢化反应底物范围
在充满氩气的手套箱中,向10mL反应管中加入环丙烷骨架双膦配体钴配合物2c(6.6mg,0.005mmol,1mol%),NaBArF(8.9mg,0.01mmol,2mol%),甲苯(1mL),搅拌均匀后依次向体系中加入三乙氧基硅烷(98.6mg,0.6mmol,1.2equiv),相应内炔底物(0.5mmol),用旋塞封好反应管后于室温下搅拌24小时。反应结束后,将反应液通过滴管柱过滤,以PE/EA=10∶1(v/v)作为洗脱剂,将滤液脱溶,通过硅胶柱层析提纯产物,通过1H NMR确认产物中异构体比例。
表4:环丙烷骨架双膦配体钴配合物催化内炔硅氢化反应底物范围
a分离收率;b产物比例由1H NMR测定。
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (9)
1.一种环丙烷骨架双膦配体(I),其特征在于具有如下的结构式:
其中:
R1、R2为苯基、取代的苯基,R1、R2可以相同,也可以不同;
所述取代的苯基,取代基为C1-C8烷基、C1-C8烷氧基、C2-C8酰氧基、羟基、卤素、氨基、(C1-C8酰基)氨基、二(C1-C8烷基)氨基、C1-C8酰基、C2-C8酯基、卤代烷中的一种或几种;取代基数目为0-5。
2.按照权利要求1所述的环丙烷骨架双膦配体,其特征在于:
所述的C1-C8烷基为甲基、乙基、正丙基、异丙基、环丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基、异戊基、新戊基、仲戊基、叔戊基、正己基、异己基、新己基、仲己基、叔己基、正庚基、异庚基、新庚基、仲庚基、叔庚基、正辛基、异辛基、新辛基、仲辛基或叔辛基;
所述的C1-C8酰基为甲酰基、乙酰基、丙酰基、正丁酰基、异丁酰基、正戊酰基、异戊酰基、仲戊酰基、新戊酰基、正己酰基、异己酰基、新己酰基、仲己酰基、正庚酰基、异庚酰基、新庚酰基、仲庚酰基、正辛酰基、异辛酰基、新辛酰基、仲辛酰基、1-环丙基甲酰基、1-环丁基甲酰基、1-环戊基甲酰基、1-环己基甲酰基、1-环庚基甲酰基;
所述的C2-C8酰氧基为乙酰氧基、丙酰氧基、正丁酰氧基、异丁酰氧基、正戊酰氧基、异戊酰氧基、仲戊酰氧基、新戊酰氧基、正己酰氧基、异己酰氧基、新己酰氧基、仲己酰氧基、正庚酰氧基、异庚酰氧基、新庚酰氧基、仲庚酰氧基、正辛酰氧基、异辛酰氧基、新辛酰氧基、仲辛酰氧基、1-环丙基甲酰氧基、1-环丁基甲酰氧基、1-环戊基甲酰氧基、1-环己基甲酰氧基、1-环庚基甲酰氧基;
所述的C2-C8酯基为甲氧羰基、乙氧羰基、丙氧羰基、异丙氧羰基、丁氧羰基、异丁氧羰基、正戊氧羰基、异戊氧羰基、新戊氧羰基、仲戊氧羰基、叔戊氧羰基、环戊氧羰基、正己氧羰基、异己氧羰基、新己氧羰基、仲己氧羰基、叔己氧羰基、环己氧羰基、正庚氧羰基、异庚氧羰基、新庚氧羰基、仲庚氧羰基、叔庚氧羰基、环庚氧羰基;
所述的卤代烷基为含氟、氯、溴或碘的卤代烷基。
3.按照权利要求1所述的环丙烷骨架双膦配体(I),其特征在于它是:
这些双膦配体可以是外消旋体、左旋体和右旋体。
4.权利要求1所述的消旋环丙烷骨架双膦配体(I)的制备方法,其特征在于它是经过如下步骤制备:
(1)在四氢呋喃、乙醚、叔丁基甲基醚中的一种或几种溶剂中,-78-80℃下,以正丁基锂为碱,先与二取代膦氢硼烷加合物作用,生成二取代膦锂试剂,再加入原料二溴化物,令二取代膦基取代溴,反应1-24小时,制备得到反式取代的环丙烷骨架双膦配体硼烷加合物,其反应式为:
(2)在四氢呋喃、乙醚、叔丁基甲基醚、甲苯中的一种或几种溶剂中,0-120℃下,以三乙烯二胺(DABCO)为脱保护试剂,反应1-24小时,制备得到反式取代的环丙烷骨架双膦配体,其反应式为:
其中,R1、R2如化合物(I)所定义。
5.环丙烷骨架双膦配体钴配合物(II),其特征在于具有如下的结构式:
其中:R1、R2如化合物(I)所定义。
6.按照权利要求5所述的环丙烷骨架双膦配体钴配合物(II),其特征在于它是:
这些双膦配体钴配合物可以是外消旋体、左旋体和右旋体。
7.权利要求5所述的环丙烷骨架双膦配体钴配合物(II)的制备方法,其特征在于它是经过如下步骤制备:在有机溶剂中,0-120℃下,环丙烷骨架双膦配体与二氯化钴络合1-48小时,制备得到环丙烷骨架双膦配体钴配合物,其反应式为:
其中,R1、R2如权利要求1所定义。络合反应所用有机溶剂为苯、甲苯、乙醚、叔丁基甲基醚、四氢呋喃、乙腈、二氯甲烷或氯仿中的一种或几种。
8.权利要求5所述的环丙烷骨架双膦配体钴配合物(II)的应用,其特征在于它作为催化剂用于炔烃的硅氢化反应:
其中:R3-R4是氢、苯基、取代苯基、杂芳基、烯基、硅基、烷基及官能团取代的烷基,R3、R4可以相同,也可以不同。HSiX3是三取代硅烷,具体可以是三甲氧基硅烷、三乙氧基硅烷、三异丙氧基硅烷、三(三甲基硅氧基)硅烷、二甲氧基乙基硅烷、二乙氧基甲基硅烷、二甲基乙氧基硅烷、1,1,3,3-四甲基二硅氧烷。
9.按照权利要求8所述的环丙烷骨架双膦配体钴配合物的应用,其特征在于所述的硅氢化反应条件是:催化剂用量为0.01-5mol%;活化试剂为有机锂、有机镁、有机铝、有机锌试剂、甲醇、乙醇、叔丁醇的碱金属(锂、钠、钾)盐、四(3,5-二(三氟甲基)苯基)硼酸钠(NaBArF)中的一种或几种;所用溶剂是C1-C8的醚类,甲苯,烷烃或底物本身(无溶剂条件)中的一种或几种;如有溶剂,底物浓度为0.1-10M;反应温度为0-120℃;反应时间为1-48小时。
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