申请人:——
公开号:US20040248983A1
公开(公告)日:2004-12-09
N-Arylphenylacetamide derivatives represented by the following formula [I]:
1
(wherein R
1
is C
1-6
alkoxy, etc.; R
2
is hydrogen, —(CH
2
)
m
—N(R
6
)(R
7
) (m is an integer of from 1 to 4; R
6
is hydrogen, C
1-4
alkyl, etc., R
7
is hydrogen, etc.), etc.; R
3
is hydrogen, halogen, etc.; R
4
is C
6-10
alkyl, —Y—R
8
(Y is a single bond, C
1-6
alkylene, C
2-6
alkenylene, C
2-6
alkynylene, etc., R
8
is aryl, C
3-8
cycloalkyl, C
6-15
polycycloalkyl, etc.), etc.; R
5
is hydrogen, etc.; and X
1
is hydrogen), or pharmaceutically acceptable salts thereof or hydrates or solvates of the same, and a pharmaceutical composition containing the same. These compounds are useful as preventives and/or remedies giving no pain at the early stage of administration, which are efficacious in oral administration and have potent analgesic and antiinflammatory effects.
下列式子所代表的N-Arylphenylacetamide衍生物[I]:1(其中R1是C1-6烷氧基等;R2是氢,-(CH2)m-N(R6)(R7)(m是从1到4的整数;R6是氢,C1-4烷基等,R7是氢等)等;R3是氢,卤素等;R4是C6-10烷基,-Y-R8(Y是单键,C1-6烷基,C2-6烯基,C2-6炔基等,R8是芳基,C3-8环烷基,C6-15多环烷基等)等;R5是氢等;X1是氢),或其药学上可接受的盐或其水合物或溶剂合物,以及含有它们的药物组成物。这些化合物在口服时具有强效的镇痛和抗炎作用,可用作早期给药时无痛的预防和/或治疗。