发明授权
US5075440A Novel pyrido[2,3-f](1,4)thiazepines and pyrido[3,2-b](1,5)benzothiazepines 失效
(2,3-F)(1,4)噻吩和吡啶(3,2-B)(1,5)苯并噻唑

Novel pyrido[2,3-f](1,4)thiazepines and
pyrido[3,2-b](1,5)benzothiazepines
摘要:
Novel pyrido[2,3-f] [1,4]thiazepines and novel pyrido[3,2-b] [1,5]benzothiazepines of the formula: ##STR1## These compounds are useful as calcium channel antagonists with cardiovascular, antiasthmatic and antibronchoconstriction activity. Also described are methods of producing the novel compounds and intermediates thereof.
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