申请人:Delalande S.A.
公开号:US05196543A1
公开(公告)日:1993-03-23
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 CF.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, prepared by cyclizing N ethoxy carbonyl anilines with substituted 1, 3 dioxolane-2-ones.
该公式的导数:##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中的每一个独立地是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 CF.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--(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--(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,可用作药物,通过将N乙氧羰基苯胺与取代的1,3-二氧杂环己烷-2-酮环化制备。