CN105801404B - 一种s-2-羟基-3-甲氧基-3,3-二苯基丙酸及其制备方法 - Google Patents
一种s-2-羟基-3-甲氧基-3,3-二苯基丙酸及其制备方法 Download PDFInfo
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- CN105801404B CN105801404B CN201410849360.9A CN201410849360A CN105801404B CN 105801404 B CN105801404 B CN 105801404B CN 201410849360 A CN201410849360 A CN 201410849360A CN 105801404 B CN105801404 B CN 105801404B
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- methoxy
- diphenyl
- propionic acid
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- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007787 solid Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 9
- BLWYXBNNBYXPPL-YFKPBYRVSA-N methyl (2s)-pyrrolidine-2-carboxylate Chemical class COC(=O)[C@@H]1CCCN1 BLWYXBNNBYXPPL-YFKPBYRVSA-N 0.000 claims abstract description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 5
- 150000002148 esters Chemical class 0.000 claims abstract description 4
- 238000000746 purification Methods 0.000 claims abstract description 4
- 238000001953 recrystallisation Methods 0.000 claims abstract description 4
- 238000007171 acid catalysis Methods 0.000 claims abstract description 3
- 238000001556 precipitation Methods 0.000 claims abstract description 3
- 239000000376 reactant Substances 0.000 claims abstract description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 21
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 11
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 5
- -1 methyl esters disulfate Chemical class 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- HQEIPVHJHZTMDP-JEDNCBNOSA-N methyl (2s)-pyrrolidine-2-carboxylate;hydrochloride Chemical group Cl.COC(=O)[C@@H]1CCCN1 HQEIPVHJHZTMDP-JEDNCBNOSA-N 0.000 claims description 4
- QLAJNZSPVITUCQ-UHFFFAOYSA-N 1,3,2-dioxathietane 2,2-dioxide Chemical compound O=S1(=O)OCO1 QLAJNZSPVITUCQ-UHFFFAOYSA-N 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 claims description 2
- 229910003002 lithium salt Inorganic materials 0.000 claims description 2
- 159000000002 lithium salts Chemical class 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 229940032330 sulfuric acid Drugs 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 229960001367 tartaric acid Drugs 0.000 claims description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- OUJTZYPIHDYQMC-LJQANCHMSA-N ambrisentan Chemical compound O([C@@H](C(OC)(C=1C=CC=CC=1)C=1C=CC=CC=1)C(O)=O)C1=NC(C)=CC(C)=N1 OUJTZYPIHDYQMC-LJQANCHMSA-N 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 10
- 238000003786 synthesis reaction Methods 0.000 abstract description 10
- 229960002414 ambrisentan Drugs 0.000 abstract description 9
- 238000000605 extraction Methods 0.000 abstract description 6
- 239000011230 binding agent Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005194 fractionation Methods 0.000 abstract description 2
- 230000007062 hydrolysis Effects 0.000 abstract description 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 35
- 238000000034 method Methods 0.000 description 27
- 238000003756 stirring Methods 0.000 description 19
- 230000014759 maintenance of location Effects 0.000 description 12
- 239000012044 organic layer Substances 0.000 description 12
- CDSURRHSCXRONP-UHFFFAOYSA-N [Na].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC Chemical compound [Na].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC CDSURRHSCXRONP-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- NLJVURUNTQZVHK-UHFFFAOYSA-N [K].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC Chemical compound [K].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC NLJVURUNTQZVHK-UHFFFAOYSA-N 0.000 description 5
- KELCYYYNRNYCGP-UHFFFAOYSA-N [Li].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC Chemical compound [Li].OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC KELCYYYNRNYCGP-UHFFFAOYSA-N 0.000 description 5
- 239000004305 biphenyl Substances 0.000 description 5
- 235000010290 biphenyl Nutrition 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 5
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 238000007605 air drying Methods 0.000 description 4
- 125000006267 biphenyl group Chemical group 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- RQJWOLFMWKZKCJ-UHFFFAOYSA-N 2-hydroxy-3-methoxy-3,3-diphenylpropanoic acid Chemical compound C=1C=CC=CC=1C(C(O)C(O)=O)(OC)C1=CC=CC=C1 RQJWOLFMWKZKCJ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 101800004490 Endothelin-1 Proteins 0.000 description 3
- 108050009340 Endothelin Proteins 0.000 description 2
- 102000002045 Endothelin Human genes 0.000 description 2
- 229940118365 Endothelin receptor antagonist Drugs 0.000 description 2
- 102400000686 Endothelin-1 Human genes 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Substances CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000002308 endothelin receptor antagonist Substances 0.000 description 2
- ZUBDGKVDJUIMQQ-UBFCDGJISA-N endothelin-1 Chemical compound C([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(O)=O)NC(=O)[C@H]1NC(=O)[C@H](CC=2C=CC=CC=2)NC(=O)[C@@H](CC=2C=CC(O)=CC=2)NC(=O)[C@H](C(C)C)NC(=O)[C@H]2CSSC[C@@H](C(N[C@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N2)=O)NC(=O)[C@@H](CO)NC(=O)[C@H](N)CSSC1)C1=CNC=N1 ZUBDGKVDJUIMQQ-UBFCDGJISA-N 0.000 description 2
- 208000002815 pulmonary hypertension Diseases 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- INQIVJHBJNZHFC-UHFFFAOYSA-N 2-hydroxy-3,3-diphenylbutanoic acid Chemical compound C=1C=CC=CC=1C(C(O)C(O)=O)(C)C1=CC=CC=C1 INQIVJHBJNZHFC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 102000030168 Endothelin A Receptor Human genes 0.000 description 1
- 108010090549 Endothelin A Receptor Proteins 0.000 description 1
- 102100033902 Endothelin-1 Human genes 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- QKGYJVXSKCDGOK-UHFFFAOYSA-N hexane;propan-2-ol Chemical compound CC(C)O.CCCCCC QKGYJVXSKCDGOK-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229940090243 letairis Drugs 0.000 description 1
- 231100000225 lethality Toxicity 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- AQFYYZFHRLDVOM-XRIGFGBMSA-N methyl (2S)-pyrrolidine-2-carboxylate dihydrochloride Chemical compound Cl.Cl.COC(=O)[C@@H]1CCCN1 AQFYYZFHRLDVOM-XRIGFGBMSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 102000005962 receptors Human genes 0.000 description 1
- 108020003175 receptors Proteins 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Abstract
Description
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.152 | 20367171 | 1113479 | 99.144 |
| 2 | 23.426 | 175908 | 4347 | 0.856 |
| 总计 | 20543078 | 1117826 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.116 | 21233544 | 1161197 | 99.949 |
| 2 | 26.448 | 10766 | 471 | 0.051 |
| 总计 | 21244309 | 1161668 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 8.746 | 22724 | 804 | 0.123 |
| 2 | 11.953 | 9446 | 332 | 0.051 |
| 3 | 12.999 | 18389178 | 757235 | 99.825 |
| 总计 | 18421348 | 758371 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.130 | 18549889 | 1023446 | 99.087 |
| 2 | 23.398 | 171004 | 3995 | 0.913 |
| 总计 | 18720893 | 1027441 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.129 | 19324492 | 1064062 | 99.96 |
| 2 | 24.964 | 7685 | 363 | 0.040 |
| 总计 | 19332176 | 1064425 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 12.433 | 70727 | 3494 | 0.197 |
| 2 | 13.522 | 35827317 | 1551716 | 99.803 |
| 总计 | 35898045 | 1555210 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.151 | 19874582 | 1092586 | 99.133 |
| 2 | 23.465 | 173824 | 4297 | 0.867 |
| 总计 | 20048406 | 1096883 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.119 | 20963567 | 1128942 | 99.947 |
| 2 | 24.941 | 11132 | 446 | 0.053 |
| 总计 | 20974699 | 1129388 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 8.795 | 19834 | 762 | 0.12 |
| 2 | 12.958 | 16926567 | 725346 | 99.88 |
| 总计 | 16946401 | 726108 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.134 | 19743725 | 1175487 | 99.18 |
| 2 | 23.287 | 163259 | 4098 | 0.82 |
| 总计 | 19906984 | 1179585 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 9.149 | 19267822 | 1113268 | 99.93 |
| 2 | 26.419 | 12846 | 491 | 0.07 |
| 总计 | 19280668 | 1113759 | 100.00 |
| 峰 | 保留时间 | 面积 | 高度 | 面积% |
| 1 | 12.124 | 8945 | 309 | 0.05 |
| 2 | 13.431 | 17456488 | 735643 | 99.95 |
| 总计 | 17465433 | 735952 | 100.00 |
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849360.9A CN105801404B (zh) | 2014-12-31 | 2014-12-31 | 一种s-2-羟基-3-甲氧基-3,3-二苯基丙酸及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849360.9A CN105801404B (zh) | 2014-12-31 | 2014-12-31 | 一种s-2-羟基-3-甲氧基-3,3-二苯基丙酸及其制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105801404A CN105801404A (zh) | 2016-07-27 |
| CN105801404B true CN105801404B (zh) | 2019-01-08 |
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ID=56421411
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410849360.9A Active CN105801404B (zh) | 2014-12-31 | 2014-12-31 | 一种s-2-羟基-3-甲氧基-3,3-二苯基丙酸及其制备方法 |
Country Status (1)
| Country | Link |
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| CN (1) | CN105801404B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437063B (zh) * | 2018-05-03 | 2022-04-29 | 常州恒邦药业有限公司 | 安立生坦关键中间体的制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160396A (zh) * | 1994-10-14 | 1997-09-24 | 巴斯福股份公司 | 新的羧酸衍生物,其制备和应用 |
| CN104098462A (zh) * | 2013-04-12 | 2014-10-15 | 江苏豪森药业股份有限公司 | 2-羟基-3-甲氧基-3,3-二苯基丙酸消旋物的拆分方法 |
-
2014
- 2014-12-31 CN CN201410849360.9A patent/CN105801404B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160396A (zh) * | 1994-10-14 | 1997-09-24 | 巴斯福股份公司 | 新的羧酸衍生物,其制备和应用 |
| CN104098462A (zh) * | 2013-04-12 | 2014-10-15 | 江苏豪森药业股份有限公司 | 2-羟基-3-甲氧基-3,3-二苯基丙酸消旋物的拆分方法 |
Non-Patent Citations (1)
| Title |
|---|
| "安立生坦的合成研究";李小刚;《应用化工》;201409;第43卷(第9期);1675-1678 |
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| CN105801404A (zh) | 2016-07-27 |
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