发明名称 |
Process for the preparation of carvedilol and its salts |
摘要 |
Disclosed herein is a process for preparation of carvedilol substantially free from its bis-impurity comprises the reaction of 4-(2,3-epoxypropoxy)carbazole and 2-(2-methoxyphenoxy)ethylamine in a polar aprotic solvent media; followed by isolation of carvediol from the reaction mass as an acid addition salt and subsequent conversion into pure carvedilol.
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申请公布号 |
US2007027202(A1) |
申请公布日期 |
2007.02.01 |
申请号 |
US20060480526 |
申请日期 |
2006.07.05 |
申请人 |
KUMAR ASHOK;SAXENA ASHVINI;BATTACHARYYA ANINDYA;SENGAR AMIT V S;PATHAK GUNJAN P;SOUDAGAR SATISH R;MATHUR PRAMIL K;NIJASURE AVINASH M;SALUNKE SANJUKUMAR M;GAUTAM PRASHANT;RAMSINGH THAKUR G;JADHAV DILIP U |
发明人 |
KUMAR ASHOK;SAXENA ASHVINI;BATTACHARYYA ANINDYA;SENGAR AMIT V.S.;PATHAK GUNJAN P.;SOUDAGAR SATISH R.;MATHUR PRAMIL K.;NIJASURE AVINASH M.;SALUNKE SANJUKUMAR M.;GAUTAM PRASHANT;RAMSINGH THAKUR G.;JADHAV DILIP U. |
分类号 |
C07D209/82;A61K31/403 |
主分类号 |
C07D209/82 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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