申请人:Delalande S.A.
公开号:US05036091A1
公开(公告)日:1991-07-30
The derivatives of the formula: ##STR1## wherein: R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; X is either an oxygen atom, in which case R.sub.2 =H or halogen, or a methylene group or a --CH.dbd.CH-- group, in which case R.sub.2 =H; n is 1 or 2 when X is an oxygen atom or a methylene group and 0 or 1 when X is a --CH.dbd.CH-- group; each of R.sub.3 and R.sub.4 is independently H, C.sub.1 -C.sub.4 alkyl, C.sub.4 -C.sub.7 cycloalkyl, phenyl or benzyl; R.sub.5 is H or C.sub.1 -C.sub.4 alkyl; R.sub.6 is C.sub.1 -C.sub.4 alkyl, CHF.sub.2, CF.sub.3, CF.sub.3 CH.sub.2, C.sub.4 -C.sub.7 cycloalkyl, phenyl or benzyl; R.sub.4 and R.sub.6 may further form together a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- chain; R.sub.5 and R.sub.6 may further form together a --(CH.sub.2).sub.4 -- or --(CH.sub.2).sub.5 -- chain; and R.sub.7 is H, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.5 acyl or benzyl, useful as drugs.
该公式的衍生物:##STR1## 其中:R.sub.1是H或C.sub.1-C.sub.4烷基; X是氧原子,此时R.sub.2=H或卤素,或是亚甲基基团或--CH.dbd.CH--基团,此时R.sub.2=H; 当X是氧原子或亚甲基基团时,n为1或2,当X是--CH.dbd.CH--基团时,n为0或1; R.sub.3和R.sub.4各自独立地为H,C.sub.1-C.sub.4烷基,C.sub.4-C.sub.7环烷基,苯基或苄基; R.sub.5是H或C.sub.1-C.sub.4烷基; R.sub.6是C.sub.1-C.sub.4烷基,CHF.sub.2,CF.sub.3,CF.sub.3 CH.sub.2,C.sub.4-C.sub.7环烷基,苯基或苄基; R.sub.4和R.sub.6还可以共同形成一个--(CH.sub.2).sub.3--或--(CH.sub.2).sub.4--链; R.sub.5和R.sub.6还可以共同形成一个--(CH.sub.2).sub.4--或--(CH.sub.2).sub.5--链; R.sub.7是H,C.sub.1-C.sub.4烷基,C.sub.2-C.sub.5酰基或苄基,是有用的药物。