申请人:G. D. Searle & Co.
公开号:US04738979A1
公开(公告)日:1988-04-19
A compound of the formula: ##STR1## wherein X.sup.1, X.sup.2, Y.sup.1 and Y.sup.2, whether or not identical are hydrogen, a halogen such as fluoro, chloro or bromo, linear or branched alkyl of 1 to 3 carbon atoms, linear or branched alkoxy of 1 to 3 carbon atoms, carboxy, alkoxy-carbonyl of 1 to 3 carbon atoms or phenyl; R.sup.1 is hydrogen, methyl or phenyl; R.sup.2 and R.sup.3, which may or may not be identical, are hydrogen, hydroxyl, linear or branched alkyl of 1 to 6 carbon atoms, or linear or branched alkoxy group of 1 to 4 carbon atoms; R.sup.1 and R.sup.2 may together form a carbon-carbon double bond; and R.sup.4 and R.sup.5 whether or not identical, are hydrogen, linear or branched alkyl or 1 to 3 carbon atoms. The compounds are useful as blocking agents of .alpha..sub.2 -adrenergic receptors.
该化合物的化学式为:##STR1## 其中X.sup.1,X.sup.2,Y.sup.1和Y.sup.2,无论是否相同,都是氢,类似氟、氯或溴的卤素,1至3个碳原子的线性或支链烷基,1至3个碳原子的线性或支链烷氧基,羧基,1至3个碳原子的烷氧羰基或苯基;R.sup.1是氢,甲基或苯基;R.sup.2和R.sup.3,可能相同也可能不同,是氢,羟基,1至6个碳原子的线性或支链烷基,或1至4个碳原子的线性或支链烷氧基;R.sup.1和R.sup.2可以共同形成碳-碳双键;R.sup.4和R.sup.5,无论是否相同,都是氢,1至3个碳原子的线性或支链烷基。这些化合物可用作阻断α2-肾上腺素能受体的剂。