申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP1264829A1
公开(公告)日:2002-12-11
The present invention relates to oxygen-containing heterocyclic compounds represented by the following formula (I):
wherein m indicates an integer of 0 to 4;
R1, R2, R3 and R4 are the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted cycloalkyl, etc.; R5 represents hydroxy or substituted or unsubstituted lower alkoxy; R6 represents a hydrogen atom or halogen; and Y represents the following formula (i) or formula (ii):
or
or pharmaceutically acceptable salts thereof.
本发明涉及下式(I)所代表的含氧杂环化合物:
其中 m 表示 0 至 4 的整数;
R1、R2、R3 和 R4 相同或不同,各自代表氢原子、取代或未取代的低级烷基、取代或未取代的环烷基等;R5 代表羟基或取代或未取代的低级烷氧基;R6 代表氢原子或卤素;Y 代表下式(i)或式(ii)
或
或其药学上可接受的盐类。