申请人:Takeda Chemical Industries, Ltd.
公开号:EP0477789A1
公开(公告)日:1992-04-01
A new compound of the formula:
wherein
is an optionally substituted benzene ring; R1 is a carbocyclic or heterocyclic group which is linked to the 4- position of the 1,3-benzoxazine ring through a carbon-carbon bond, a hydrocarbon residue, etc.; and R2 and R3 are independently a hydrogen atom or an optionally substituted C1 -6 alkyl group, etc., or a salt thereof is useful for treating and preventing heart, circulatory, respiratory and cerebral diseases.
一种新的化合物,其化学式为:其中,X为可选取代的苯环;R1为与1,3-苯并噁嗪环的4-位置通过碳-碳键、烃基残基等连接的环烷基或杂环基;R2和R3分别为氢原子或可选取代的C1-6烷基等,或其盐。该化合物可用于治疗和预防心脏、循环、呼吸和脑部疾病。