KR20160013326A - 실로도신의 제조 방법 및 신규 중간체 - Google Patents
실로도신의 제조 방법 및 신규 중간체 Download PDFInfo
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- KR20160013326A KR20160013326A KR1020140094029A KR20140094029A KR20160013326A KR 20160013326 A KR20160013326 A KR 20160013326A KR 1020140094029 A KR1020140094029 A KR 1020140094029A KR 20140094029 A KR20140094029 A KR 20140094029A KR 20160013326 A KR20160013326 A KR 20160013326A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- PNCPYILNMDWPEY-QGZVFWFLSA-N silodosin Chemical compound N([C@@H](CC=1C=C(C=2N(CCCO)CCC=2C=1)C(N)=O)C)CCOC1=CC=CC=C1OCC(F)(F)F PNCPYILNMDWPEY-QGZVFWFLSA-N 0.000 title 1
- 229960004953 silodosin Drugs 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 20
- -1 siloxanes Chemical class 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 45
- 239000013078 crystal Substances 0.000 claims description 28
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 150000007529 inorganic bases Chemical class 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003301 hydrolyzing effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- NTHVXWLZYPFWIW-LLVKDONJSA-N 5-[(2r)-2-aminopropyl]-1-(3-hydroxypropyl)-2,3-dihydroindole-7-carbonitrile Chemical compound N#CC1=CC(C[C@H](N)C)=CC2=C1N(CCCO)CC2 NTHVXWLZYPFWIW-LLVKDONJSA-N 0.000 claims description 3
- 238000006298 dechlorination reaction Methods 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 238000000634 powder X-ray diffraction Methods 0.000 claims description 3
- 229910002483 Cu Ka Inorganic materials 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000000543 intermediate Substances 0.000 abstract description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 abstract description 10
- LPAGFVYQRIESJQ-UHFFFAOYSA-N indoline Chemical class C1=CC=C2NCCC2=C1 LPAGFVYQRIESJQ-UHFFFAOYSA-N 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 13
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 8
- 239000008213 purified water Substances 0.000 description 8
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical group [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 5
- 239000012044 organic layer Substances 0.000 description 5
- QMVGPJTZAPNNNZ-LLVKDONJSA-N 3-[5-[(2R)-2-aminopropyl]-2,3-dihydroindol-1-yl]propan-1-ol Chemical compound N[C@@H](CC=1C=C2CCN(C2=CC=1)CCCO)C QMVGPJTZAPNNNZ-LLVKDONJSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000004793 2,2,2-trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 description 3
- 238000007126 N-alkylation reaction Methods 0.000 description 3
- UDEWPOVQBGFNGE-UHFFFAOYSA-N benzoic acid n-propyl ester Natural products CCCOC(=O)C1=CC=CC=C1 UDEWPOVQBGFNGE-UHFFFAOYSA-N 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical group CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000010511 deprotection reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- HOJMCBMXHWZNKX-UHFFFAOYSA-N 2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl methanesulfonate Chemical compound CS(=O)(=O)OCCOC1=CC=CC=C1OCC(F)(F)F HOJMCBMXHWZNKX-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-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
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 206010013990 dysuria Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000016160 smooth muscle contraction Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
- A61K31/404—Indoles, e.g. pindolol
- A61K31/4045—Indole-alkylamines; Amides thereof, e.g. serotonin, melatonin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Indole Compounds (AREA)
Abstract
색인어
실로도신, 인돌린 화합물,
Description
Claims (9)
- 제 1항에 있어서, 상기 단계 a)에서 알킬리 금속 수산화물이 수산화칼륨인 것을 특징으로 하는 제조방법.
- 제 1항에 있어서, 상기 단계 b)에서 산화제가 과산화수소인 것을 특징으로 하는 제조방법.
- 제 1항에 있어서, 상기 단계 c)에서 무기염기가 탄산칼륨인 것을 특징으로 하는 제조방법.
- 제 4항에 있어서, 상기 알코올류 용매가 이소프로필알콜인 것을 특징으로 하는 제조방법.
- a) 하기 화학식 5의 화합물을 알칼리 금속 수산화물을 존재 하에서 탈염화시켜 하기 화학식 4의 화합물을 제조하는 단계;
b) 상기 제조된 화학식 4의 화합물을 산화제의 존재 하에서 알칼리 금속 수산화물을 사용하여 가수분해시켜 하기 화학식 2의 화합물을 제조하는 단계
c) 상기 제조된 화학식 2의 화합물을 무기 염기 존재 하에서 하기 화학식 3의 화합물과 커플링 반응시켜 하기 화학식 1의 화합물을 제조하는 단계;
d) 상기 제조된 화학식 1의 화합물을 알코올류에 가온하에 용해시키고 실로도신 γ형 결정을 시드하여 결정을 석출시키는 단계를 포함하고 Cu-Ka 방사선을 사용하는 X선 분말 회절 스펙트럼 피크가 회절각 2θ에서 6.0°±0.2°, 10.6°±0.2°, 12.6°±0.2°, 17.1°±0.2°, 17.9°±0.2°, 20.7°±0.2° 및 23.7°±0.2°의 주요 피크를 특징으로 하는, 하기 화학식 1의 실로도신 γ형 결정의 제조를 한용기 연속적 공정(in-situ)으로 제조하는 방법.
[화학식 5]
[화학식 4]
[화학식 3]
[화학식 2]
[화학식 1]
- 신규 중간체 (R)-5-(2-아미노프로필)-1-(3-하이드록시프로필)인돌린-7-카르보니트릴.
- 신규 중간체 (R)-5-(2-아미노프로필)-1-(3-하이드록시프로필)인돌린-7-카르복사미드.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140094029A KR101725393B1 (ko) | 2014-07-24 | 2014-07-24 | 실로도신의 제조 방법 및 신규 중간체 |
JP2015137548A JP6068569B2 (ja) | 2014-07-24 | 2015-07-09 | シロドシンの製造方法および中間体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140094029A KR101725393B1 (ko) | 2014-07-24 | 2014-07-24 | 실로도신의 제조 방법 및 신규 중간체 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160013326A true KR20160013326A (ko) | 2016-02-04 |
KR101725393B1 KR101725393B1 (ko) | 2017-04-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020140094029A Expired - Fee Related KR101725393B1 (ko) | 2014-07-24 | 2014-07-24 | 실로도신의 제조 방법 및 신규 중간체 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6068569B2 (ko) |
KR (1) | KR101725393B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190016208A (ko) * | 2017-08-08 | 2019-02-18 | (주)헥사파마텍 | 신규의 설폰아마이드 중간체 및 이를 사용한 실로도신의 제조방법 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016147811A (ja) * | 2015-02-10 | 2016-08-18 | ダイト株式会社 | シロドシンγ型結晶の製造方法 |
ES2607639B1 (es) | 2015-09-30 | 2018-02-28 | Urquima, S.A | Sal de ácido maleico de un intermedio de silodosina |
CN106045892B (zh) * | 2016-05-27 | 2019-05-28 | 齐鲁制药有限公司 | 赛洛多辛及其中间体的新制备方法 |
JP6981088B2 (ja) * | 2017-01-27 | 2021-12-15 | ニプロ株式会社 | 経口固形製剤 |
KR102577674B1 (ko) | 2018-07-04 | 2023-09-15 | 삼성디스플레이 주식회사 | 전자 장치 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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DE69319551T2 (de) * | 1992-12-02 | 1998-10-29 | Kissei Pharmaceutical | Indolin Verbindungen zur Behandlung von Dysurien |
JP4634560B2 (ja) * | 2000-01-14 | 2011-02-16 | キッセイ薬品工業株式会社 | 光学活性なインドリン誘導体の製造方法およびその製造中間体 |
JP4921646B2 (ja) * | 2001-03-08 | 2012-04-25 | キッセイ薬品工業株式会社 | 1−(3−ベンジルオキシプロピル)−5−(2−置換プロピル)インドリン誘導体およびその使用方法 |
UA78854C2 (en) * | 2002-09-06 | 2007-04-25 | Kissei Pharmaceutical | Crystal for an oral solid drug and oral solid drug for dysuria treatment containing the same |
DE602005027881D1 (de) * | 2004-10-27 | 2011-06-16 | Kissei Pharmaceutical | Indolinverbindung und verfahren zu deren herstellung |
JP2006188470A (ja) * | 2005-01-07 | 2006-07-20 | Kissei Pharmaceut Co Ltd | インドリン誘導体およびその製造方法 |
CN101993405B (zh) * | 2009-08-27 | 2014-01-15 | 浙江华海药业股份有限公司 | 吲哚啉衍生物、及其制备方法和用途 |
CN101993407B (zh) * | 2009-08-27 | 2014-01-29 | 浙江华海药业股份有限公司 | 用于制备西洛多辛的吲哚啉化合物及其制备方法 |
WO2011124704A1 (en) * | 2010-04-09 | 2011-10-13 | Ratiopharm Gmbh | Process for preparing an intermediate for silodosin |
WO2012014186A1 (en) * | 2010-07-30 | 2012-02-02 | Ranbaxy Laboratories Limited | Process for the preparation of silodosin and its novel intermediates |
CN102010359B (zh) * | 2010-09-10 | 2013-01-23 | 北京阳光诺和药物研究有限公司 | β晶型西洛多辛的制备方法 |
WO2012131710A2 (en) * | 2011-03-30 | 2012-10-04 | Panacea Biotec Ltd | Novel process for the synthesis of indoline derivatives |
WO2012147107A2 (en) * | 2011-04-29 | 2012-11-01 | Msn Laboratories Limited | Novel & improved processes for the preparation of indoline derivatives and its pharmaceutical composition |
CN103360298A (zh) * | 2012-04-06 | 2013-10-23 | 昆明积大制药股份有限公司 | 一种β型西洛多辛晶体的制备方法 |
CN102702067B (zh) * | 2012-06-18 | 2015-01-14 | 北京联本医药化学技术有限公司 | 用于合成西洛多辛的中间体及其制备方法和用途 |
-
2014
- 2014-07-24 KR KR1020140094029A patent/KR101725393B1/ko not_active Expired - Fee Related
-
2015
- 2015-07-09 JP JP2015137548A patent/JP6068569B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190016208A (ko) * | 2017-08-08 | 2019-02-18 | (주)헥사파마텍 | 신규의 설폰아마이드 중간체 및 이를 사용한 실로도신의 제조방법 |
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