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.
公式为:##STR1##的1,5-苯并噻唑衍生物,其中X为氢原子,卤素原子或较低的烷基;R.sup.1为较低的烷基或较低的烷氧基;R.sup.2为氢原子,较低的烷基,取代或未取代的苯基,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为较低的烷基或取代或未取代的苯基-较低烷基基团,Q为单键,或者是一种可以选择性地被较低的烷氧基或氧代基取代的烷基或较低的烯基基团;R.sup.4为(i)氢原子,(ii)较低的烷基,(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,可以选择性地具有取代基,或者(v)可以选择性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,以及其制备方法。