申请人:Chugai Seiyaku
Kabushiki Kaisha
公开号:EP0798292A1
公开(公告)日:1997-10-01
Compounds represented by the general formula (1):
(where R1 is SR6 or NR7R8, where R6 is typically an alkyl group having 1 - 6 carbon atoms, R7 is a hydrogen atom, an alkyl group having 1 - 6 carbon atoms or a nitro group, and R8 is a hydrogen atom or an alkyl group having 1 - 6 carbon atoms; R2 and R3 are each typically a hydrogen atom or an alkyl group having 1 - 6 carbon atoms; R4 is a hydrogen atom, an alkyl group having 1 - 6 carbon atoms or an amidino group of which the amine portion may be substituted by an alkyl or nitro group; R5 is a hydrogen atom or an alkyl group having 1 - 6 carbon atoms; Y1, Y2, Y3 and Y4 which may be the same or different are each typically a hydrogen atom, a halogen atom or an alkoxy group having 1 - 6 carbon atoms; n and m are each an integer of 0 or 1), or possible stereoisomers or optically active forms of the compounds or pharmaceutically acceptable salts thereof. The compounds possess a potent nitric oxide synthase inhibiting activity and are useful as therapeutics of cerebrovascular diseases.
通式(1)所代表的化合物:
(其中 R1 是 SR6 或 NR7R8,其中 R6 通常是具有 1-6 个碳原子的烷基,R7 是氢原子、具有 1-6 个碳原子的烷基或硝基,R8 是氢原子或具有 1-6 个碳原子的烷基;R2 和 R3 通常各自是氢原子或具有 1-6 个碳原子的烷基;R4 是氢原子、具有 1-6 个碳原子的烷基或脒基,其中胺部分可被烷基或硝基取代;R5是氢原子或具有 1 - 6 个碳原子的烷基;Y1、Y2、Y3 和 Y4 可以相同或不同,通常各自是氢原子、卤素原子或具有 1 - 6 个碳原子的烷氧基;n 和 m 分别是 0 或 1 的整数),或化合物的可能立体异构体或光学活性形式,或其药学上可接受的盐。这些化合物具有强效的一氧化氮合酶抑制活性,可用于治疗脑血管疾病。