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公开(公告)号:US5100894A
公开(公告)日:1992-03-31
申请号:US684708
申请日:1991-04-12
IPC分类号: A61K31/395 , A61P3/06 , A61P9/10 , C07D498/08 , C07D498/18
CPC分类号: C07D498/08 , C07D498/18
摘要: Compounds of the general formula: ##STR1## in which R is a lower alkyl group, and R.sub.1 is a tri-lower alkylmethylcarbonyl group, the structure elements --A.sub.1 --A.sub.2 --, A.sub.3 --A.sub.4 -- or A.sub.5 --A.sub.6 -- each represent ethylene or vinylene, or the elements --A.sub.1 --A.sub.2 -- and --A.sub.3 --A.sub.4 -- each represent ethylene and --A.sub.5 --A.sub.6 -- represents vinylene, their optical isomers and their salts exhibit valuable pharmaceutical properties.