Process for the manufacture of substituted maleimides
申请人:F. HOFFMANN-LA ROCHE AG
公开号:EP0540956B1
公开(公告)日:1997-09-03
US5399712A
申请人:——
公开号:US5399712A
公开(公告)日:1995-03-21
A new one step synthesis of maleimides by condensation of glyoxylate esters with acetamides
作者:Margaret M. Faul、Leonard L. Winneroski、Christine A. Krumrich
DOI:10.1016/s0040-4039(98)02594-5
日期:1999.2
Bisphenyl, Bisheteroaryl, indolylaryl and indolylcycloalkyl maleimides are prepared in onestep and 67–99% yield by condensation of glyoxylate esters with acetamides using a 1.0 M solution of potassium tert-butoxide in THF. The mechanism of the reaction is discussed.