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
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