Preparation of Pyrrole-2-carboxylates with Electron-Withdrawing Groups at the 4-Position
作者:Hidemitsu Uno、Masanori Tanaka、Takashi Inoue、Noboru Ono
DOI:10.1055/s-1999-3406
日期:1999.3
Reaction of α-trifluoromethyl, α-cyano, and α-ethoxycarbonyl alkenyl sulfones with ethyl isocyanoacetate in the presence of a base gave 4-substituted pyrrole-2-carboxylates in moderate to good yields.