发明名称 |
Process for the preparation of {62 -lactam compounds |
摘要 |
Alkoxylated beta -lactam compound useful as an intermediate for various cephalosporin (or penicillin) derivatives which may be prepared by reacting a 7-sulfenylaminocephem compound (or a 6-sulfenylaminopenam compound) with an oxidizing agent or reacting a sulfinylaminocephem compound (or a 6-sulfinylaminopenam compound) with a dehydrated agent to give a sulfenyliminocephem compound (or a 6-sulfenyliminopenam compound) and reacting the latter compound with an alcohol in the presence of a base, an organic acid or a Lewis acid.
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申请公布号 |
US4162251(A) |
申请公布日期 |
1979.07.24 |
申请号 |
US19770850719 |
申请日期 |
1977.11.11 |
申请人 |
SANKYO CO LTD |
发明人 |
HIRAOKA, TETSUO;KOBAYASHI, TAKEO |
分类号 |
C07D499/00;C07D499/21;C07D501/57;(IPC1-7):C07D499/04;C07D501/02 |
主分类号 |
C07D499/00 |
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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