申请人:SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE
ACADEMY OF SCIENCES
公开号:EP1598345A1
公开(公告)日:2005-11-23
The invention relates to the benzopyran compounds of formula (I), or the salts thereof, in which, the bond between 3 and 4 positions is a single or double bond; R1 represents a hydrogen atom or a C1-6 alkyl that can be substituted; R2 represents a hydrogen atom, a C1-6 alkyl that can be substituted or an aromatic carbocyclic or aromatic heterocyclic group that can be substituted. The invention also relates to a process for preparing such compounds or their salts as well as the use of such compounds or their salts in the preparation of the medicine against type II diabetes mellitus.
本发明涉及式(I)的苯并吡喃化合物或其盐,其中,3-4位之间的键为单键或双键;R1代表氢原子或可被取代的C1-6烷基;R2代表氢原子、可被取代的C1-6烷基或可被取代的芳香碳环或芳香杂环基团。本发明还涉及制备此类化合物或其盐的工艺,以及此类化合物或其盐在制备 II 型糖尿病药物中的用途。