发明名称 FREMGANGSMAATE VED FREMSTILLING AV PYRROLIDONDERIVATER.
摘要 <p>A process for preparing compounds (1) <IMAGE> (1) where Y is NR1R2 or OR, R1 and R2 are hydrogen or C1-3 alkyl, and R is C1-3 alkyl, which comprises protecting the hydroxy group of a compound (2) <IMAGE> (2) cyclising the product under basic conditions and removing the protecting group.</p>
申请公布号 NO165676(B) 申请公布日期 1990.12.10
申请号 NO19850001330 申请日期 1985.04.01
申请人 I.S.F. SPA 发明人 PFEIFFER, UGO;PINZA, MARIO
分类号 C07D207/277;A61K31/40;A61K31/4015;A61K31/4025;A61P25/28;C07C67/00;C07C231/00;C07C231/02;C07C231/12;C07C235/12;C07C237/06;C07D207/26;C07D207/273;C07D309/12;C07D405/12;(IPC1-7):C07D207/273 主分类号 C07D207/277
代理机构 代理人
主权项
地址