申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05134139A1
公开(公告)日:1992-07-28
Novel 1,5-benzothiazepine derivatives of the formula: ##STR1## wherein X is hydrogen atom, a halogen atom or a lower alkyl group; R.sup.1 is a lower alkyl group or a lower alkoxy group; R.sup.2 is hydrogen atom, a lower alkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted phenyl-lower alkyl grup or a diphenyl-lower alkyl group; R.sup.3 is a lower alkyl group or a substituted or unsubstituted phenyl-lower alkyl group, Q is single bond, or an alkylene or lower alkenylene group which may optionally be substituted by a lower alkoxy group or oxo group; R.sup.4 is (i) hydrogen atom, (ii) a lower alkyl group, (iii) an N-phenyl-N-lower alkylamino group, (iv) a phenyl, phenyloxy, phenylthio, benzenesulfonylamino, 1,4-benzoquinonyl or benzylthio group which may optionally have substituent, or (v) a heterocyclic group which may optionally have substituent; and n is 2 or 3, or a pharmaceutically acceptable salt thereof, which are useful as a calcium antagonist, and the process for preparing thereof.
1,5-苯并噻二唑衍生物的化学式如下:##STR1## 其中X是氢原子、卤素原子或较低的烷基基团;R.sup.1是较低的烷基基团或较低的烷氧基团;R.sup.2是氢原子、较低的烷基基团、取代或未取代的苯基团、取代或未取代的苯基-较低烷基基团或二苯基-较低烷基基团;R.sup.3是较低的烷基基团或取代或未取代的苯基-较低烷基基团;Q是单键,或者是一种可以选择地由较低的烷氧基团或氧基取代的烷基或较低的烯基基团;R.sup.4是(i)氢原子、(ii)较低的烷基基团、(iii)N-苯基-N-较低烷基氨基基团、(iv)苯基、苯氧基、苯硫基、苯磺酰氨基、1,4-苯醌基或苄硫基基团,可以选择地具有取代基,或者(v)可以选择地具有取代基的杂环基团;n为2或3,或其药学上可接受的盐,可用作钙拮抗剂,并且其制备方法。