A study of the friedel-crafts acylation of 1-benzenesulfonyl-1<i>H</i>-pyrrole in the preparation of 3-aroylpyrroles
作者:Ioannis Nicolaou、Vassilis J. Demopoulos
DOI:10.1002/jhet.5570350619
日期:1998.11
In this work, we studied the aluminum chloride catalyzed reaction of 1-benzenesulfonyl-1H-pyrrole with a series of eleven aroyl chlorides. The products formed were not isolated, but hydrolyzed to the target 3-aroylpyrroles in overall yields, usually, higher than 50%. However, in the cases with the π electron rich 1-phenyl-1H-pyrrole-3-carbonyl chloride and 1-methyl-1H-indole-3-carbonyl chloride significant