申请人:China Pharmaceutical University
公开号:US07772230B2
公开(公告)日:2010-08-10
The present invention provides a chroman compound of formula (I) and its pharmaceutical salt, methods of its preparation and its pharmaceutical applications. Wherein: X is O or S; n is for 2, 3 or 4; R1 is 6-substituted or 7-substituted halogen, C1-4alkyl, C1-4alkoxyl, benzyloxy, carbamoyl; R2 is nitrogen-containing five-membered or six-membered substituted heterocyclic ring selected from piperidinyl, morpholinyl, N-methyl-piperazinyl, N-(2-ethoxyl)piperazinyl, pyrrolyl, pyrazolyl or imidazolyl. The compounds are useful to prepare medicaments for treating cardiovascular diseases, their preparation employs mild reaction conditions, the raw material are plenty and easy to be obtained, and the operation and post-treatment in the preparation are simple.
本发明提供了一种公式(I)的色酮化合物及其药物盐,其制备方法及其药物应用。其中:X为O或S;n为2、3或4;R1为6-取代或7-取代的卤素,C1-4烷基,C1-4烷氧基,苄氧基,氨基甲酰基;R2为含氮的五元或六元取代杂环环选自哌啶基,吗啉基,N-甲基哌嗪基,N-(2-乙氧基)哌嗪基,吡咯基,吡唑基或咪唑基。这些化合物可用于制备治疗心血管疾病的药物,其制备采用温和的反应条件,原材料丰富且易于获得,制备过程和后处理简单。