申请人:——
公开号:US20020007074A1
公开(公告)日:2002-01-17
Imidazole derivatives of formula I
1
n is 0 or 1
R
1
is hydrogen or C
1
-C
4
-alkyl
R
2
is hydrogen or R
2
and R
3
together form a double bond
R
3
is hydrogen or C
1
-C
4
-alkyl or R
2
and R
3
together form a double bond
R
4
is hydrogen, C
1
-C
4
-alkyl, hydroxy or C
1
-C
4
-alkoxy
R
5
is hydrogen or C
1
-C
4
-alkyl or R
4
and R
5
together with the carbon atom to which they are attached form a carbonyl group
R
6
, R
7
and R
8
are each the same or different and are independently hydrogen, C
1
-C
4
-alkyl or C
2
-C
4
-alkenyl, C
3
-C
7
-cycloalkyl, hydroxy, C
1
-C
4
-alkoxy, C
1
-C
4
-hydroxyalkyl, thiol, C
1
-C
4
-alkylthio, C
1-4
-alkylthiol, halogen, trifluoromethyl, nitro or optionally substituted amino
X is —CHR
9
—(CHR
10
)
m
—
m is 0 or 1
and R
9
and R
10
are each the same or different and are independently hydrogen or C
1
-C
4
-alkyl;
or a pharmaceutically acceptable ester or salt thereof, their preparation, use and pharmaceutical compositions comprising them are described. The compounds have affinity for alpha2 receptors and are useful e.g. in the treatment of hypertension, glaucoma, chronic or acute pain, migraine, diarrhea, common cold, ischemia, addiction to chemical substances, anxiety, especially preoperative anxiety and different neurological, musculoskeletal, psychiatric and cognition disorders or as adjuncts to anesthesia.
化合物I的
咪唑衍
生物,式中,n为0或1,R1为氢或C1-C4烷基,R2为氢或R2和R3一起形成双键,R3为氢或C1-C4烷基,或R2和R3一起形成双键,R4为氢、C1-C4烷基、羟基或C1-C4烷氧基,R5为氢或C1-C4烷基,或R4和R5与它们所连接的碳原子一起形成羰基基团,R6、R7和R8各自相同或不同,且独立地为氢、C1-C4烷基或C2-C4烯基、C3-C7环烷基、羟基、C1-C4烷氧基、C1-C4羟基烷基、
硫醇、C1-C4烷
硫基、C1-4烷基
硫醇、卤素、三
氟甲基、硝基或可选择被取代的
氨基,X为—CHR9—(CHR10)m—,m为0或1,R9和R10各自相同或不同,且独立地为氢或C1-C4烷基;或其药学上可接受的酯或盐,其制备、用途和包含它们的药物组合物被描述。这些化合物具有与α2受体的亲和力,在治疗高血压、青光眼、慢性或急性疼痛、偏头痛、腹泻、普通感冒、缺血、对
化学物质的成瘾、焦虑、特别是术前焦虑以及不同的神经、肌肉骨骼、精神和认知障碍或作为麻醉的辅助剂方面是有用的。