发明名称 |
Esters of penicillanic acid sulfone |
摘要 |
A process for preparing halomethyl esters of penicillanic acid sulfone, intermediates to beta-lactamase inhibitors, from the corresponding substituted thiomethyl and sulfinylmethyl esters and a halogenating agent. The thiomethyl and sulfinylmethyl esters of penicillanic acid sulfone are useful intermediates.
|
申请公布号 |
US4361513(A) |
申请公布日期 |
1982.11.30 |
申请号 |
US19800215215 |
申请日期 |
1980.12.11 |
申请人 |
PFIZER INC. |
发明人 |
HAGEMAN, DAVID L.;CRAWFORD, THOMAS C. |
分类号 |
C07D499/87;A61K31/43;A61P31/04;C07D499/00;C07D499/08;C07D499/32;C07D499/86;C07D499/893;C07D499/897;(IPC1-7):C07D499/00;A61K31/42 |
主分类号 |
C07D499/87 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|