发明名称 |
NOVEL PROCESSES FOR PREPARING PROLINE DERIVATIVES AND ANALOGOUS COMPOUNDS |
摘要 |
The invention relates to the preparation of 1-bromo-2-D-alkylpropanoyl-L-proline derivatives and analogous compounds which are useful as chemical intermediates to angiotensin converting enzyme (ACE) inhibitors and to the stereospecific synthesis of such ACE inhibitors having the formula: <IMAGE> wherein R1 is lower alkyl and R4 and R5 are both hydrogen or together with the carbons to which they are attached represent a benzene ring optionally substituted by defined substituents. Intermediates of formula <IMAGE> are also disclosed wherein R1, R4, R5 are as defined above and B+ is a cation. |
申请公布号 |
PH17181(A) |
申请公布日期 |
1984.06.13 |
申请号 |
PH19940000268 |
申请日期 |
1982.02.19 |
申请人 |
JOHN WYETH & BROTHERS LIMITED |
发明人 |
ROGER CROSSLEY |
分类号 |
B23K26/00;B23K26/06;B23K26/073;B23K26/38;C07D207/16;C07D513/04 |
主分类号 |
B23K26/00 |
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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