A process for the preparation of alkyl 1,4-dimethyl-3- ethoxycarbonylpyrrole-2-acetate compounds by reacting a diloweralkyl acetone dicarboxylate, a chloromethyl lower alkyl ketone and an aqueous loweralkylamine in the presence of an added organic hydrocarbyl aromatic compound or organic brominated or chlorinated hydrocarbon co-solvent.
一种制备 1,4-二甲基-3-乙氧基羰基
吡咯-2-乙酸烷基化合物的工艺,该工艺是在添加有机烃基芳香化合物或有机
溴化或
氯化烃类助溶剂的存在下,使稀释烷基
丙酮二
羧酸盐、
氯甲基低级烷基酮和含
水低级烷基胺发生反应。