申请人:Pharm-Eco Laboratories, Inc.
公开号:US06133453A1
公开(公告)日:2000-10-17
Disclosed is a method of preparing a compound represented by the following structural formula: ##STR1## and physiological salts thereof. R.sup.1 is --H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R.sup.2 is a substituted or unsubstituted 2-hydroxy-1-ethyl group. Ring A is a substituted or unsubstituted aryl group. Ring B is substituted or unsubstituted at position two. The method comprises reacting a substituted or unsubstituted aryl hydrazine or salt derived from a substituted or unsubstituted aryl hydrazine with a compound represented by the following structural formula: ##STR2##
揭示了一种制备下述结构式所代表的化合物及其生理盐的方法:##STR1##其中,R.sup.1为--H,脂肪基,取代脂肪基,芳基或取代芳基。R.sup.2为取代或未取代的2-羟基-1-乙基基团。环A为取代或未取代的芳基。环B在位置二处为取代或未取代。该方法包括将取代或未取代的芳基肼或由取代或未取代的芳基肼衍生的盐与下述结构式所代表的化合物发生反应:##STR2##