Compounds of Formula 1
where X is S and the variables have the meaning defined in the specification are specific or selective to alpha
2B
and/or alpha
2C
adrenergic receptors in preference over alpha
2A
adrenergic receptors, and as such have no or only minimal cardivascular and/or sedatory activity. These compounds of Formula 1 are useful as medicaments in mammals, including humans, for treatment of diseases and or alleviations of conditions which are responsive to treatment by agonists of alpha
2B
adrenergic receptors. Compounds of Formula 1 where X is O also have the advantageous property that they have no or only minimal cardivascular and/or sedatory activity and are useful for treating pain and other conditions with no or only minimal cardivascular and/or sedatory activity.
式1中X为S且变量的含义已在说明书中定义,这些化合物具有特异性或选择性作用于α2B和/或α2C
肾上腺素受体,而不是α2A
肾上腺素受体,因此它们没有或仅有最小的心血管和/或镇静活性。这些式1的化合物可用作哺乳动物,包括人类的药物,用于治疗对α2B
肾上腺素受体激动剂有反应的疾病和/或缓解条件。式1中X为O的化合物还具有优越的特性,即它们没有或仅有最小的心血管和/或镇静活性,可用于治疗无或仅有最小心血管和/或镇静活性的疼痛和其他病症。