ethyl 3-(acetylamino)-1-[4-(methyloxy)phenyl]-1H-pyrrole-2-carboxylate 、
N-氯代丁二酰亚胺 在
水 、
Sodium sulfate-III 、 crude product 、
ethyl 3-(acetylamino)-5-chloro-1-[4-(methyloxy)phenyl]-1H-pyrrole-2-carboxylate 作用下,
以
四氢呋喃 为溶剂,
反应 18.0h,
以to give the required product ethyl 3-(acetylamino)-5-chloro-1-[4-(methyloxy)phenyl]-1H-pyrrole-2-carboxylate (3.12 g, 9.26 mmol, 86% yield) as a yellow oil的产率得到ethyl 3-(acetylamino)-5-chloro-1-[4-(methyloxy)phenyl]-1H-pyrrole-2-carboxylate