申请人:Schering Aktiengesellschaft
公开号:US04719210A1
公开(公告)日:1988-01-12
Compounds of formula I ##STR1## wherein R.sup.1 is hydrogen or a protecting group, R.sup.2 is --CH.dbd.CR.sub.2.sup.4 or --C.tbd.CR.sup.4, R.sup.4 is hydrogen or halogen, R.sup.3 is hydrogen, lower alkyl or lower alkoxyalkyl, R.sup.A is, inter alia, hydrogen, OR.sup.7, lower alkyl, which optionally is substituted with aryl, lower alkoxy or NR5R6, R.sup.5 and R.sup.6 can be the same or different and in each case is hydrogen, lower alkyl or together with the nitrogen atom a 5-6 member ring, which can contain another heteroatom, R.sup.7 is lower alkyl, optionally substituted aryl or aralkyl, and each compound can contain one or more R.sup.A radicals which are not hydrogen, have valuable pharmacological properties.
公式I的化合物 ##STR1## 其中R.sup.1为氢或保护基,R.sup.2为--CH.dbd.CR.sub.2.sup.4或--C.tbd.CR.sup.4,R.sup.4为氢或卤素,R.sup.3为氢,低碳基或低碳氧烷基,R.sup.A是氢、OR.sup.7、低碳基,可选地带有芳基、低碳氧基或NR5R6,R.sup.5和R.sup.6可以相同也可以不同,在每种情况下为氢、低碳基或与氮原子一起形成5-6成员环,其中可以含有另一个杂原子,R.sup.7为低碳基,可选地取代芳基或芳基烷基,每个化合物可以包含一个或多个不是氢的R.sup.A基团,具有有价值的药理学性质。