| 发明名称 |
CHLOROSULPHONIC ACID ESTERS |
| 摘要 |
Novel compounds of the formula <IMAGE> in which X is halogen or <IMAGE> and R1 and R2 are hydrogen or alkyl are useful in the preparation of alpha -haloalkyl esters or alkylene di-esters of carboxylic acids, e.g. 1,1-dioxopenicillanic acid esters. |
| 申请公布号 |
GB2137193(B) |
申请公布日期 |
1986.05.08 |
| 申请号 |
GB19830008615 |
申请日期 |
1983.03.29 |
| 申请人 |
* LEO PHARMACEUTICAL PRODUCTS LTD A/S |
发明人 |
MOGENS * KRAN-NIELSEN;ERIK TORNGARD * HANSEN;ERNST TORNDAL * BINDERUP |
| 分类号 |
C07C305/26;C07C67/00;C07C301/00;C07C303/00;C07C305/00;C07C325/00;C07D499/00;C07D519/00;(IPC1-7):C07C143/08;C07C143/68 |
主分类号 |
C07C305/26 |
| 代理机构 |
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代理人 |
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