申请人:Schering Corporation
公开号:US04299845A1
公开(公告)日:1981-11-10
The present invention relates to topical compositions and methods of use utilizing compounds of the formula ##STR1## wherein X is oxygen or sulfur; W is a bridge group of the formulae ##STR2## wherein R is hydrogen alkyl of 1 to 7 carbon atoms, cycloalkyl of 4-8 carbon atoms, cycloalkenyl of 5-8 carbon atoms, polyfluoroalkyl of 1-4 carbon atoms, phenyl, benzyl or alkoxycarbonylmethyl; R.sub.1 is hydrogen or alkyl of 1-7 carbon atoms; m is 0-2; n is 1-4; with the proviso that m+n is 3-5; and A.sub.1, A.sub.2, A.sub.3, A.sub.4, B.sub.1, B.sub.2, B.sub.3, and B.sub.4 are independently selected from the group consisting of hydrogen, methyl, cyano, nitro, polyfluoroalkyl of 1-3 carbon atoms, chloro, bromo, fluoro and alkylthio, with the proviso that 2-5 of there are hydrogen of which at least one of A.sub.1, A.sub.2, A.sub.3 and A.sub.4 and at least one of B.sub.1, B.sub.2, B.sub.3 and B.sub.4 is hydrogen.
本发明涉及使用式子为##STR1##的化合物的局部组合物和使用方法,其中X是氧或硫; W是式子##STR2##的桥接基团,其中R是1-7个碳原子的氢烷基,4-8个碳原子的环烷基,5-8个碳原子的环烯基,1-4个碳原子的多氟烷基,苯基,苄基或烷氧羰基甲基; R.sub.1是氢或1-7个碳原子的烷基; m为0-2; n为1-4; 前提是m + n为3-5; A.sub.1,A.sub.2,A.sub.3,A.sub.4,B.sub.1,B.sub.2,B.sub.3和B.sub.4分别独立地选自由氢,甲基,氰基,硝基,1-3个碳原子的多氟烷基,氯,溴,氟和烷硫基,前提是其中2-5个为氢,其中至少有一个为A.sub.1,A.sub.2,A.sub.3和A.sub.4和至少有一个为B.sub.1,B.sub.2,B.sub.3和B.sub.4是氢。