| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON 3-EXOMETHYLENCEPHAMSULFOXIDEN |
| 摘要 |
A process for preparing a 3-exomethylenecepham sulfoxide ester of the formula 2; …<CHEM>… wherein R is the residue of a carboxylic acid and R1 is a carboxylic acid protecting group, which process comprises:… (a) mixing under anhydrous conditions in an inert organic solvent a 2-chlorosulfinylazetidin-4-one of the formula 1: …<CHEM>… with stannic chloride in the presence of an oxygen compound selected from the group consisting of …<CHEM>… |
| 申请公布号 |
DD146457(A5) |
申请公布日期 |
1981.02.11 |
| 申请号 |
DD19790216204 |
申请日期 |
1979.10.12 |
| 申请人 |
ELI LILLY AND CO,US |
发明人 |
CHOU,TA-SEN,US |
| 分类号 |
C07C41/00;C07C67/03;C07D;C07D205/04;C07D205/08;C07D501/02;C07D501/04;C07D501/08;C07D501/10;C07D501/14;C07D501/18;C07D501/22;C07D501/46;(IPC1-7):C07D205/04 |
主分类号 |
C07C41/00 |
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