申请人:——
公开号:US20020042413A1
公开(公告)日:2002-04-11
Compound of formula (I):
1
wherein:
n represents 0 or 1,
R
1
represents hydrogen, arylalkyl, alkyl, acyl, alkoxycarbonyl, arylalkoxycarbonyl or trifluoroacetyl,
R
2
represents alkyl,
X represents oxygen, chlorine, OR
3
, SR
4
or NOR
5
,
R
3
represents hydrogen, alkyl, acyl, alkoxycarbonyl or arylalkoxycarbonyl,
R
4
represents hydrogen, alkyl or aryl,
R
5
represents hydrogen or optionally substituted alkyl,
═ represents a single or double bond,
Ar represents aryl or heteroaryl,
its isomers and addition salts thereof with a pharmaceutically acceptable acid, and medicinal products containing the same which are useful as facilitators of memory and cognition and antalgic agents.
化合物的结构式(I):1其中:
n代表0或1,
R1代表氢、芳基烷基、烷基、酰基、烷氧羰基、芳基烷氧羰基或三氟乙酰基,
R2代表烷基,
X代表氧、氯、OR3、SR4或NOR5,
R3代表氢、烷基、酰基、烷氧羰基或芳基烷氧羰基,
R4代表氢、烷基或芳基,
R5代表氢或可选择取代的烷基,
═代表单键或双键,
Ar代表芳基或杂环芳基,
它的异构体和药用可接受酸的加合物,以及含有它们的药物制品,可用作记忆和认知促进剂和止痛剂。