发明名称 |
PROCESS FOR THE PREPARATION OF INTERMEDIATES USEFUL FOR THE SYNTHESIS OF BENZOTHIAZEPINES |
摘要 |
A process for the preparation of the compounds of formula (see fig. I) (wherein R has the meanings reported in the specification) by enzymatic transesterification of enantiomeric mixtures is described. These compounds are intermediates useful in the synthesis of Diltiazem.
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申请公布号 |
CA2042535(C) |
申请公布日期 |
1998.06.16 |
申请号 |
CA19912042535 |
申请日期 |
1991.05.14 |
申请人 |
ZAMBON GROUP S.P.A. |
发明人 |
GHIROTTO, LUCA;SERVI, STEFANO;FUGANTI, CLAUDIO;GENTILE, ANGELO;GIORDANO, CLAUDIO |
分类号 |
C07B57/00;C07D281/10;C07D301/32;C07D303/48;C07D407/12;C12P17/02;C12P41/00;C12R1/72;(IPC1-7):C12P41/00 |
主分类号 |
C07B57/00 |
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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