申请人:Sandoz Ltd.
公开号:US04076838A1
公开(公告)日:1978-02-28
This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 or 2 carbon atoms; R.sub.2 is hydrogen or halogen of atomic number from 9 to 35; A. I. each of R.sub.3 and R.sub.4 is hydrogen, or Ii. R.sub.3 and R.sub.4 together are oxygen, and I. R.sub.5 is hydrogen or alkyl of 1 to 4 carbon atoms, or Ii. R.sub.5 and R.sub.7 are attached to the same carbon atom, and form an alkylene chain of 3 to 6 carbon atoms, or B. when A as defined hereinafter is --(CH.sub.2).sub.2 -- R.sub.3 is hydrogen and R.sub.4 and R.sub.5 together form a bond; R.sub.6 is hydrogen or alkyl of 1 to 4 carbon atoms; and A is --(CH.sub.2).sub.n --, Wherein n is 0, 1 or 2 depending on the following: n may be 0 provided that R.sub.3 and R.sub.4 together are oxygen; n may be 1 provided that (i) at least one of R.sub.5, R.sub.6 and R.sub.7 is alkyl of 1 to 4 carbon atoms; (ii) R.sub.5 and R.sub.7 together form an alkylene chain of 3 to 6 carbon atoms; or (iii) R.sub.2 is halogen, R.sub.3 and R.sub.4 are oxygen, and R.sub.5, R.sub.6 and R.sub.7 are all hydrogen; n may be 2 provided that (i) R.sub.3 and R.sub.4 together are oxygen; (ii) R.sub.4 and R.sub.5 together form a bond, or (iii) R.sub.2 is halogen; (iv) at least one of the substituents R.sub.1, R.sub.5, R.sub.6 and R.sub.7 is alkyl of 1 to 4 carbon atoms; or (v) R.sub.5 and R.sub.7 together form an alkylene chain of 3 to 6 carbon atoms, or provided that R.sub.5 and R.sub.7 are both hydrogen, R.sub.6 and A may alternatively be together with the carbon atom to which they are bound a 1,2-cycloalkylene group of formula: ##STR2## WHEREIN M IS 3 OR PROVIDED THAT R.sub.3 and R.sub.4 together are oxygen alternatively 4; and R.sub.7 is attached to any carbon atom of ring B except that marked * in the formula and is hydrogen or provided that R.sub.6 is hydrogen may alternatively be alkyl of 1 to 4 carbon atoms, Useful as antiphlogistics, antiarthritics and analgesics.
该发明提供了公式I的新化合物,其中:
##STR1##
其中,R1是氢或1或2个碳原子的烷基;R2是原子序数为9到35的氢或卤素;A. I. R3和R4中的每一个是氢,或Ii. R3和R4在一起是氧,而I. R5是氢或1到4个碳原子的烷基,或Ii. R5和R7附着在同一个碳原子上,并形成3到6个碳原子的烷基链,或B. 当A如下所定义为--(CH2)2--时,R3是氢,而R4和R5在一起形成键;R6是氢或1到4个碳原子的烷基;A是--(CH2)n--,其中n取决于以下情况:当R3和R4在一起是氧时,n可以为0;当至少有一个R5、R6和R7是1到4个碳原子的烷基时,n可以为1;当R5、R6和R7都是氢时,R2是卤素,而R3和R4是氧时,n可以为1;当R3和R4在一起是氧时,n可以为2;当R4和R5在一起形成键时,n可以为2;当R2是卤素时,n可以为2;当至少有一个取代基R1、R5、R6和R7是1到4个碳原子的烷基时,n可以为2;当R5和R7在一起形成3到6个碳原子的烷基链时,n可以为2;或者当R5和R7都是氢时,R6和A可以与它们所结合的碳原子一起是一个公式为: ##STR2## 其中M为3或4;并且R7附着在环B的任何一个碳原子上,除了在公式中标记的*之外,它是氢,或者当R6是氢时,它可以是1到4个碳原子的烷基。这些化合物可用作抗炎、抗关节炎和镇痛药。