申请人:——
公开号:US20010056117A1
公开(公告)日:2001-12-27
The present invention relates to oxygen-containing heterocyclic compounds represented by the following formula (I):
1
wherein m represents an integer of 0 to 4; R
1
, R
2
, R
3
and R
4
independently represent a hydrogen atom, substituted or unsubstituted lower alkyl, etc.; R
5
represents substituted or unsubstituted lower alkoxy etc.; R
6
represents a hydrogen atom etc.; and Y represents the following formula (II):
2
wherein R
9
represents cyano etc., R
10
represents a hydrogen atom etc., R
1
represents carboxy etc., and R
2
represents a hydrogen atom etc.; and the like; or pharmaceutically acceptable salts thereof.
本发明涉及氧含杂环化合物,其表示为以下式(I):其中m代表0至4的整数;R1、R2、R3和R4独立地代表氢原子、取代或未取代的较低烷基等;R5代表取代或未取代的较低烷氧等;R6代表氢原子等;Y代表以下式(II):其中R9代表氰基等,R10代表氢原子等,R1代表羧基等,R2代表氢原子等;以及类似的;或其药学上可接受的盐。