申请人:Hoffmann-La Roche Inc.
公开号:US04672066A1
公开(公告)日:1987-06-09
The invention relates to compounds of the formula ##STR1## wherein R is hydrogen or lower alkyl, Y is alkylene; Z is alkylene, ##STR2## the asterisk herein denotes bonding to the substituted acetophenone; R.sub.2 is hydrogen or lower alkoxy; and n is an integer of 1 to 3; A is ##STR3## and HET is a 5-or 6- membered nitrogen containing heterocyclic group, and their acid addition salts. The compounds of formula I of the invention are useful for the treatment of allergic conditions, such as, asthma and cardiovascular diseases, such as, angina and arrhythmias.
该发明涉及以下式的化合物:##STR1## 其中R为氢或较低的烷基,Y为亚烷基;Z为亚烷基,##STR2## 这里的星号表示与取代的乙酰苯酮的结合;R.sub.2为氢或较低的烷氧基;n为1至3的整数;A为##STR3## HET为含氮的5-或6-成员杂环基团,以及它们的酸盐。该发明的式I化合物对于治疗过敏症状,如哮喘和心血管疾病,如心绞痛和心律失常,具有用处。