申请人:TANABE SEIYAKU CO., LTD.
公开号:EP0416479A1
公开(公告)日:1991-03-13
Novel 1,5-benzothiazepine derivatives of the formula:
wherein X is hydrogen atom, a halogen atom or a lower alkyl group; R1 is a lower alkyl group or a lower alkoxy group; R2 is hydrogen atom, a lower alkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted phenyl-lower alkyl group or a diphenyl-lower alkyl group; R3 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; R4 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.
式中的新型 1,5-苯并硫氮杂卓衍生物:
其中,X 是氢原子、卤素原子或低级烷基;R1 是低级烷基或低级烷氧基;R2 是氢原子、低级烷基、取代或未取代的苯基、取代或未取代的苯基-低级烷基或二苯基-低级烷基;R3 是低级烷基或取代或未取代的苯基-低级烷基,Q 是单键、亚烷基或低级烯基,可任选被低级烷氧基或氧代基团取代;R4 是(i)氢原子,(ii)低级烷基,(iii)N-苯基-N-低级烷基氨基,(iv)苯基、苯氧基、苯硫基、苯磺酰氨基、1,4-苯醌基或苄硫基,可选择具有取代基,或(v)杂环基,可选择具有取代基;以及 n 是 2 或 3,或其药学上可接受的盐,可用作钙拮抗剂及其制备方法。