申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US04217305A1
公开(公告)日:1980-08-12
Novel phenylethanolamine derivatives represented by the formula ##STR1## wherein R represents a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, an amino group, a lower acylamino group, a lower alkylsulfonyl group, or a lower alkylsulfonylamino group; R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents hydrogen or a lower alkyl group; R.sub.5 represents an aryl group which may have a substituent, a benzodioxane ring group which may have a substituent, an aryloxy group which may have a substituent, or an arylthio group which may have a substituent; said R.sub.5 being, however, a benzodioxane ring group which may have a substituent, an aryloxy group which may have a substituent, or an arylthio group which may have a substituent when R is a hydroxyl group; and n represents 0 or an integer of 1-3 and the acid addition salts thereof. The compounds of this invention exhibit .alpha.- and .beta.-adrenergic blocking actions and are useful as antihypertensive agents.
新型苯乙醇胺衍生物的化学式表示为##STR1##其中R代表氢原子、卤原子、羟基、较低的烷基基团、较低的烷氧基团、较低的烷硫基团、氨基、较低的酰胺基团、较低的烷基磺酰基团或较低的烷基磺酰胺基团;R.sub.1、R.sub.2、R.sub.3和R.sub.4,可以相同也可以不同,每个代表氢或较低的烷基基团;R.sub.5代表可能有取代基的芳基团、可能有取代基的苯二氧杂环戊烷环基团、可能有取代基的芳氧基团或可能有取代基的芳硫基团;当R为羟基时,所述的R.sub.5是可能有取代基的苯二氧杂环戊烷环基团、可能有取代基的芳氧基团或可能有取代基的芳硫基团;n表示0或1-3的整数及其酸盐。本发明的化合物具有α-和β-肾上腺素受体阻滞作用,可用作降压药。