申请人:Boehringer Ingelheim GmbH
公开号:US04185114A1
公开(公告)日:1980-01-22
Compounds of the formula ##STR1## wherein X and Y, which may be identical to or different from each other, are each hydrogen or halogen, R.sub.1 is hydrogen or straight or branched alkyl of 1 to 4 carbon atoms, R.sub.2 is hydrogen, straight or branched alkyl of 1 to 3 carbon atoms, carboxy-lower alkyl or acyl, preferably lower aliphatic carboxylic acyl, R.sub.3 is hydrogen or acyl, preferably lower aliphatic carboxylic acyl, and n is 1 or 2; non-toxic, pharmacologically acceptable acid addition salts thereof; sulfonium salts thereof; and, when R.sub.1 is hydrogen, salts thereof formed with inorganic or organic bases or basic aminoacids. The compounds as well as their various salts are useful as mucolytics.
式##STR1##化合物,其中X和Y(彼此可能相同或不同)各自为氢或卤素,R1为氢或1至4个碳原子的直链或支链烷基,R2为氢、1至3个碳原子的直链或支链烷基、羧基低级烷基或酰基,优选低级脂肪族羧酸酰基,R3为氢或酰基,优选低级脂肪族羧酸酰基,n为1或2;其无毒、药理学上可接受的酸加成盐;其硫鎓盐;以及当R1为氢时,其与无机或有机碱或碱性氨基酸形成的盐。这些化合物及其各种盐可用作粘液溶解剂。