申请人:Eli Lilly and Company
公开号:US04537964A1
公开(公告)日:1985-08-27
Trans-(.+-.)-1-permissibly-substituted-2,6-dioxodecahydroquinoline or enantiomers thereof, intermediates for preparing tautomeric trans-(.+-.)-5-permissibly substituted octahydro-1H(and 2H)pyrazolo[3,4-g]quinolines, 4aR,8aR or 4aS,8aS enantiomers thereof, for preparing trans-(.+-.)-5-permissibly substituted-octahydropyrazolo (or oxazolo)[4,5-g]quinoline, 4aR,8aR or 4aS,8aS enantiomers thereof or for preparing trans-(.+-.)-6-permissibly-substituted octahydropyrimido[4,5-g]quinolines, a 5aR,9aR or 5aS,9aS enantiomer thereof said racemic intermediates being comprised of stereoisomers of the following formulas ##STR1## wherein R is H, alkyl or C.sub.1-3 straight-chain alkyl.
可容许取代的转式(.+-.)-1-取代-2,6-二氧化十氢喹啉或其对映体,用于制备互变异构体转式(.+-.)-5-可容许取代的八氢-1H(或2H)吡唑并[3,4-g]喹啉,4aR,8aR或4aS,8aS对映体,以制备转式(.+-.)-5-可容许取代的八氢-吡唑并(或噁唑并)[4,5-g]喹啉,4aR,8aR或4aS,8aS对映体或用于制备转式(.+-.)-6-可容许取代的八氢-嘧啶并[4,5-g]喹啉,5aR,9aR或5aS,9aS对映体。所述外消旋中间体包括以下式的立体异构体:##STR1##其中R为H,烷基或C.sub.1-3直链烷基。