Substituted imidazole derivatives having agonist-like activity at alpha 2B or 2B/2C adrenergic receptors
申请人:Allergan, Inc.
公开号:EP1413576A2
公开(公告)日:2004-04-28
Coumpounds having adrenergic activity which are selective agonists for one or both of the α2B and α2C adrenoceptor receptor subtypes in preference to the α2A adrenoceptor receptor subtype; the active compound being selected from the group consisting of compounds having formula (I) wherein the dotted lines represent optional bonds provided that two double bonds may not share a common carbon atom; R is H or lower alkyl; X is S or C(H)R1, wherein R1 is H or lower alkyl, but R1 is absent when the bond between X and the ring represented by formula (a) is a double bond; Y is O, N, S, (CR12)y, wherein y is an integer of from 1 to 3, -CH=CH- or -Y1CH2-, wherein Y1 is O, N or S; x is an integer of 1 or 2, wherein x is 1 when R2, R3 or R4 is bound to a saturated carbon atom and x is 2 when R2, R3 or R4 is bound to a saturated carbon atom; R2 is H, lower alkyl, halogen, hydroxy or lower alkoxy, or, when attached to a saturated carbon atom, R2 may be oxo; R3 and R4 are, each, H, lower alkyl, hydroxy, lower alkoxy, or phenyl or, together, are -(C(R2)x)z-; -Y1(C(R2)x)z'-; -Y1(C(R2)x)yY1-; -(C(R2)x)-Y1-(C(R2)x)-; -(C(R2)x)-Y1-(C(R2)x)-(C(R2)x)- and -Y1-(C(R2)x)-Y1-(C(R2)x)- wherein z is an integer of from 3 to 5, z' is an integer of from 2 to 4 and x and y are as defined above, and further either end of each of these divalent moieties may attach at either R3 or R4 to form a condensed ring structure and the rings formed may be totally unsaturated, partially unsaturated, or totally saturated; and being useful for treating muscle spasticity including hyperactive micturition, diarrhea, diuresis, withdrawal syndromes, pain including neuropathic pain, neurodegenerative diseases, memory and cognition deficits, psychoses including manic disorders and anxiety, hypertension, cardiac ischemia, congestive heart failure, and nasal congestion without sedating or cardiovascular side effects.
具有
肾上腺素能活性的偶联化合物,是一种或两种 α2B和α2C
肾上腺素受体亚型的选择性激动剂,优于α2A
肾上腺素受体亚型;活性化合物选自由式(I)组成的化合物组,其中虚线代表任选键,但两个双键不得共用一个碳原子;R是H或低级烷基;X 是 S 或 C(H)R1,其中 R1 是 H 或低级烷基,但当 X 与式 (a) 所代表的环之间的键是双键时,R1 不存在; Y 是 O、N、S、(CR12)y(其中 y 是 1 至 3 的整数)、-CH=CH- 或 -Y1CH2-,其中 Y1 是 O、N 或 S;x 是 1 或 2 的整数,其中,当 R2、R3 或 R4 与饱和碳原子结合时,x 为 1,当 R2、R3 或 R4 与饱和碳原子结合时,x 为 2;R2 是 H、低级烷基、卤素、羟基或低级烷氧基,或者,当与饱和碳原子连接时,R2 可以是氧代;R3 和 R4 分别是 H、低级烷基、羟基、低级烷氧基或苯基,或者合在一起是-(C(R2)x)z-;-Y1(C(R2)x)z'-;-Y1(C(R2)x)yY1-;-(C(R2)x)-Y1-(C(R2)x)-;-(C(R2)x)-Y1-(C(R2)x)-(C(R2)x)-和-Y1-(C(R2)x)-Y1-(C(R2)x)- 其中 z 是 3 至 5 的整数,z'是 2 至 4 的整数,x 和 y 如上文所定义、此外,这些二价分子的任何一端都可以连接到 R3 或 R4 上,形成缩合环结构,所形成的环可以是完全不饱和、部分不饱和或完全饱和的;可用于治疗肌肉痉挛(包括排尿亢进)、腹泻、利尿、戒断综合征、疼痛(包括神经性疼痛)、神经退行性疾病、记忆和认知障碍、精神病(包括躁狂症和焦虑症)、高血压、心脏缺血、充血性心力衰竭和鼻塞,且无镇静或心血管副作用。