发明名称 |
NEW PROCESS FOR THE PRODUCTION OF CEPHALOSPORINES AND NOVEL INTERMEDIATES IN THIS PROCESS |
摘要 |
<p>The invention relates to a new economical and simple process, using a new intermediate compound, for the production of 3'-substituted 7-amino-3-propenyl-4-cephem-carboxylic acid derivatives of formula <CHEM> wherein R is hydrogen, a negative charge or a silyl protecting group, R0 is hydrogen or methoxy, R1 is hydrogen or a silyl protecting group and X is the radical of a nucleophile, and their acid addition salts.</p> |
申请公布号 |
EP0528343(A3) |
申请公布日期 |
1993.03.10 |
申请号 |
EP19920113715 |
申请日期 |
1992.08.12 |
申请人 |
BIOCHEMIE GESELLSCHAFT M.B.H. |
发明人 |
LUDESCHER, JOHANNES;STURM, HUBERT;WIESER, JOSEF |
分类号 |
C07D501/04;C07D501/00;C07D501/06;C07D501/16;C07D501/18;C07D501/24;C07F7/10;(IPC1-7):C07D501/18 |
主分类号 |
C07D501/04 |
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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