申请人:Marion Laboratories, Inc.
公开号:US04877779A1
公开(公告)日:1989-10-31
Novel compounds and their salts are disclosed having the Formulas: ##STR1## wherein: R.sub.1 is hydrogen, phenyl, 9H-fluoren-9-yl, 10,11-dihydro-5H-dibenzo [a,d]cyclohepten-5-yl, 5H-dibenzo[a,d]cyclohepten-5-yl, 1,2,3,4-tetrahydro-1-naphthyl, 9H-xanthen-9-yl, 9H-thioxanthen-9-yl, 2-chloro-9H-thioxanthen-9-yl, 4H-chromanyl, diphenylmethyl, phenylcycloalkylmethyl wherein the bridgehead methylene may optionally be substituted with a hydroxy group and any of the phenyl or benzo-fused rings may be substituted with one or more R.sub.5 groups wherein R.sub.5 is selected from halogen, trifluoromethyl, lower alkyl, hydroxy or lower alkoxy groups; and R.sub.2 and R.sub.3, which may be the same or different, are hydrogen, lower alkyl, phenylalkyl (C.sub.1 -C.sub.5), wherein the phenyl ring may be substituted with one or more R.sub.5 groups or NR.sub.2 R.sub.3 taken together are pyrrolidinyl, piperidinyl, morpholinyl, thiomorpholinyl, or 1-piperazinyl (where the 4-position may optionally be substituted with hydrogen, lower alkyl, hydroxy-substituted lower alkyl, amino-substituted lower alkyl, or acetoxy-substituted lower alkyl; R.sub.4 is hydrogen, hydroxyl or trimethylsilyloxy; Ph is an unsubstituted phenyl group or a phenyl group substituted by one or more R.sub.5 groups; and n is 2-4. Pharmaceutical compositions effective as calcium channel blockers and therapeutic methods utilizing such compounds, particularly in the treatment of irritable bowel syndrome, are also disclosed.
本发明涉及的新化合物及其盐的化学式如下:其中:R.sub.1为氢、苯基、9H-芴-9-基、10,11-二氢-5H-二苯并[a,d]环庚烯-5-基、5H-二苯并[a,d]环庚烯-5-基、1,2,3,4-四氢-1-萘基、9H-黄酮-9-基、9H-硫黄酮-9-基、2-氯-9H-硫黄酮-9-基、4H-色基、二苯基甲基、苯基环烷基甲基,其中桥头甲基可以选择性地被一个羟基取代,苯基或苯并融合环之一可以被一个或多个R.sub.5基团取代,其中R.sub.5选自卤素、三氟甲基、低烷基、羟基或低烷氧基团;R.sub.2和R.sub.3,可以相同也可以不同,为氢、低烷基、苯基烷基(C.sub.1 -C.sub.5),其中苯环可以被一个或多个R.sub.5基团取代,或者NR.sub.2R.sub.3一起为吡咯啉基、哌啶基、吗啉基、硫代吗啉基或1-哌嗪基(其中4-位可以选择性地被氢、低烷基、羟基取代的低烷基、氨基取代的低烷基或乙酰氧基取代的低烷基;R.sub.4为氢、羟基或三甲基硅氧基;Ph为未取代的苯基或一个或多个R.sub.5基团取代的苯基;n为2-4。还公开了作为钙通道阻滞剂的药物组合物和利用这种化合物的治疗方法,特别是在治疗肠易激综合征方面。