申请人:——
公开号:US20030166925A1
公开(公告)日:2003-09-04
The present invention provides a novel compound having a superior acetylcholinesterase inhibitory action. It provides a compound represented by the formula:
1
(In the formula, R
1
represents a group represented by the formula:
2
(wherein, R
3
, R
4
, R
5
and R
6
are the same as or different from each other and each represents a hydrogen atom, an optionally substituted C
1-6
alkoxy group and the like; and m represents an integer from 0 to 6) and the like; and R
2
represents a hydrogen atom, an optionally substituted C
1-6
alkyl group, an optionally substituted C
2-6
alkenyl group or an optionally substituted C
2-6
alkynyl group), a salt thereof or a hydrate of them.
本发明提供了一种具有优异的乙酰胆碱酯酶抑制作用的新化合物。它提供了一种由式1表示的化合物:(其中,R1表示由式2表示的基团:(其中,R3、R4、R5和R6相同或不同,分别表示氢原子、可选取代的C1-6烷氧基等;m为0至6的整数)等;R2表示氢原子、可选取代的C1-6烷基、可选取代的C2-6烯基或可选取代的C2-6炔基)及其盐或水合物。