申请人:Japan Tobacco Inc.
公开号:US05624961A1
公开(公告)日:1997-04-29
Novel benzylaminoethoxybenzene derivatives of the formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom, a lower alkyl, a lower hydroxyalkyl, a lower alkoxyalkyl, an allyl or a benzyl; R.sup.2 is a hydrogen atom, a lower alkyl, a lower acyl, an allyl or a benzyl; R.sup.3 is a hydrogen atom, a lower alkyl, a lower alkoxyalkyl, a lower dialkylaminoalkyl or a lower acyl; and R.sup.4 is a hydrogen atom, a halogen atom, a lower alkoxy, an amino, a lower acylamino, a hydroxy, a lower acyloxy, a lower acyl, a carboxy or a lower alkoxycarbonyl, salts thereof and solvates thereof. An .alpha..sub.1 -adrenoceptor blocker obtained from this compound has a strong .alpha..sub.1 -adrenoceptor blocking effect and causes less side effects such as orthostatic hypotension.
新的苯基氨乙氧基苯衍生物的化学式(I)如下:其中R.sup.1是氢原子,较低的烷基,较低的羟基烷基,较低的烷氧基烷基,烯丙基或苄基;R.sup.2是氢原子,较低的烷基,较低的酰基,烯丙基或苄基;R.sup.3是氢原子,较低的烷基,较低的烷氧基烷基,较低的二烷基氨基烷基或较低的酰基;R.sup.4是氢原子,卤原子,较低的烷氧基,氨基,较低的酰胺基,羟基,较低的乙酰氧基,较低的酰基,羧基或较低的烷氧羰基,其盐和溶剂化合物。从这种化合物中获得的α1-肾上腺素受体阻滞剂具有强大的α1-肾上腺素受体阻滞作用,并且引起较少的副作用,如直立性低血压。