Compounds and method of treatment having agonist-like activity selective at alpha 2B or 2B / 2C adrenergic receptors
申请人:Allergan Sales, Inc.
公开号:US20020156076A1
公开(公告)日:2002-10-24
Compounds having adrenergic activity which are a selective agonists for one or both of the &agr;
2B
and &agr;
2c
adrenoceptor receptor subtypes in preference to the &agr;
2A
adrenoceptor receptor subtype; the active compound being selected from the group consisting of compounds having the formula
1
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)R
1
, wherein R
1
is H or lower alkyl, but R
1
is absent when the bond between X and the ring represented by
2
is a double bond; Y is O, N, S, (CR
1
2
)
y
, wherein y is an integer of from 1 to 3, —CH═CH— or —Y
1
CH
2
—, wherein Y
1
is O, N or S; x is an integer of 1 or 2, wherein x is 1 when R
2
, R
3
or R
4
is bound to an unsaturated carbon atom and x is 2 when R
2
, R
3
or R
4
is bonded to a saturated carbon atom; R
2
is H, lower alkyl, halogen, hydroxy, lower alkoxy, lower alkenyl, acyl or lower alkynyl, or, when attached to a saturated carbon atom, R
2
may be oxo; R
3
and R
4
are, each, H, lower alkyl, halogen, lower alkenyl, acyl, lower alkynyl, aryl, heteroaryl, or sub stituted aryl or heteroaryl, wherein said substituent is halogen, lower alkyl, lower alkoxy, lower alkenyl, acyl, lower alkynyl, nitro, cyano, trifluoromethyl, hydroxy, or phenyl or, together, are —(C(R
2
)x)z—; —Y
1
(C(R
2
)x)z′—; —Y
1
(C(R
2
)x)y Y
1
—; —(C(R
2
)x)—Y
1
—(C(R
2
)x)—; —(C(R
2
)x)—Y
1
—(C(R
2
)x)—(C(R
2
)x)— and —Y
1
—(C(R
2
)x)—Y
1
—(C(R
2
)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.
具有肾上腺素活性的化合物,是选择性激动剂,优先作用于α2B和α2C肾上腺素受体亚型中的一个或两个,而不是α2A肾上腺素受体亚型;所述活性化合物从以下化合物组中选择,其具有下列式1的化合物,其中虚线代表可选键,但两个双键不能共用一个碳原子;R为H或较低的烷基;X为S或C(H)R1,其中R1为H或较低的烷基,但当X与由2表示的环之间的键为双键时,R1不存在;Y为O、N、S、(CR12)y,其中y为1至3的整数,—CH2CH—或—Y1CH2—,其中Y1为O、N或S;x为1或2的整数,当R2、R3或R4与不饱和碳原子结合时,x为1,当R2、R3或R4与饱和碳原子结合时,x为2;R2为H、较低的烷基、卤素、羟基、较低的烷氧基、较低的烯基、酰基或较低的炔基,或者当连接到饱和碳原子时,R2可能为酮基;R3和R4分别为H、较低的烷基、卤素、较低的烯基、酰基、较低的炔基、芳基、杂环芳基或取代的芳基或杂环芳基,其中所述取代基为卤素、较低的烷基、较低的烷氧基、较低的烯基、酰基、较低的炔基、硝基、氰基、三氟甲基、羟基或苯基,或者共同为—(C(R2)x)z—;—Y1(C(R2)x)z′—;—Y1(C(R2)x)y Y1—;—(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为3至5的整数,z′为2至4的整数,x和y如上所定义,而且这些二价基团的每一端都可以连接到R3或R4中的任一端,形成一个紧凑的环结构,所形成的环可以是完全不饱和的、部分不饱和的或完全饱和的;并且适用于治疗肌肉痉挛,包括过度活跃的小便、腹泻、利尿、戒断综合征、包括神经病理性疼痛、神经退行性疾病、记忆和认知缺陷、精神病,包括躁狂障碍和焦虑、高血压、心肌缺血、充血性心力衰竭和鼻塞,无镇静或心血管副作用。