申请人:Astra Aktiebolag
公开号:US06218538B1
公开(公告)日:2001-04-17
There are provided novel compounds of formula (I)
including their 3,4-dihydropyrimidine tautomer form, wherein R1, R2, R3, R4, R5, X and n are as defined in the specification, and optical isomers and racemates thereof and pharmaceutically acceptable salts thereof; together with processes for their preparation, compositions containing them and their use in therapy. The compounds are antagonists of N-type neuronal calcium channels useful in the treatment of cerebrovascular ischaemia and pain.
提供了式(I)的新化合物,包括它们的3,4-二氢嘧啶互变异构体形式,其中R1、R2、R3、R4、R5、X和n如规范中所定义,并且它们的光学异构体和拉克酸盐以及药用可接受盐;以及它们的制备方法、含有它们的组合物以及它们在治疗中的用途。这些化合物是N-型神经元钙通道的拮抗剂,对治疗脑血管缺血和疼痛有用。