| 发明名称 |
WERKWIJZE TER BEREIDING VAN 2-CHLOORSULFINYLAZE- TIDIN-4-ONVERBINDINGEN. |
| 摘要 |
<p>A penicillin sulfoxide ester is reacted with an N-chloro halogenating agent at a temperature of from about 75 DEG C. to about 135 DEG C. to produce a novel 2-chlorosulfinylazetidin-4-one intermediate. The intermediate can be treated with stannic chloride to produce a 3-exomethylenecepham sulfoxide.</p> |
| 申请公布号 |
NL7515070(A) |
申请公布日期 |
1976.06.28 |
| 申请号 |
NL19750015070 |
申请日期 |
1975.12.24 |
| 申请人 |
ELI LILLY AND COMPANY TE INDIANAPOLIS, INDIANA, VER.ST.V.AM. |
发明人 |
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| 分类号 |
C07C313/02;A61K;A61K31/395;A61K31/397;A61K31/43;C07D;C07D205/02;C07D205/04;C07D205/06;C07D205/08;C07D205/09;C07D205/095;C07D403/02;C07D403/04;C07D403/12;C07D405/12;C07D409/12;C07D413/12;C07D417/12;C07D499/00;C07D501/08;C07D501/10;C07D501/20;C07F7/10;(IPC1-7):07D205/08 |
主分类号 |
C07C313/02 |
| 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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