A new synthesis of alkyl 1-alkyl-2-methylpyrrole-3-carboxylates by ring transformation of 2-chloro-2-acetimidoylbutyrolactones
作者:Bart Kesteleyn、Erick Rosas Alonso、Christian Stevens、Yves Dejaegher、Maria Peristeropoulou、Tuyen Nguyen Van、Oleg Kulinkovich、Norbert De Kimpe
DOI:10.1016/s0040-4020(99)00108-8
日期:1999.3
Reaction of 2-chloro-2-acetimidoylbutyrolactones with sodium methoxide or sodium ethoxide in the corresponding alcohol provides a facile one-step synthesis of methyl or ethyl 1-alkyl-2-methylpyrrole-3-carboxylates from readily available starting materials. (C) 1999 Elsevier Science Ltd. All rights reserved.