发明名称 PROCESS FOR PRODUCTION OF SUBSTITUTED PENEM-DERIVATIVES
摘要 <p>A process for the preparation of compounds of formula (I) <IMAGE> (I) wherein R1 is hydrogen or an organic group; R2 is hydrogen or a carboxy protecting group; and Y is a group-S-heterocyclic, acyloxy, alkoxy, alkylthio, pyridyl, which group may be substituted, or azido, and penem derivatives falling within the scope of formula (I) and pharmaceutically or veterinarily acceptable salts thereof. The process involves displacing a group L in the Y position with a reagent Y-H.</p>
申请公布号 HU194888(B) 申请公布日期 1988.03.28
申请号 HU19830001208 申请日期 1983.04.07
申请人 FARMITALIA C ERBA SPA,IT 发明人 ALPEGIANI,MARCO,IT;BEDESCHI,ANGELO,IT;FOGLIO,MAURIZIO,IT;FRANCESCHI,GIOVANNI,IT;PERRONE,ETTORE,IT
分类号 C07D499/897;A61K31/43;A61K31/431;A61P31/04;C07D499/04;C07D499/06;C07D499/88;C07D499/883;C07D519/00;C07F7/18;(IPC1-7):C07D499/00 主分类号 C07D499/897
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