Ionic-liquid-supported 1,5,7-triazabicyclo[4.4.0]dec-5-ene — An efficient and recyclable organocatalyst for Michael addition to α,β-unsaturated ketones
A mild, chemoselective, one-pot synthesis of δ-keto α-cyano esters by organocatalysis
作者:Gang Liu、Yingcai Wang
DOI:10.1016/j.tetlet.2013.10.145
日期:2014.1
A sequential condensation of α-cyanoesters, aldehydes, and ketones with catalytic amount of pyrrolidine/HOAc at room temperature has been developed. This method offers a chemoselective, one-pot cascade access to δ-keto α-cyanoesters with moderate to good yields under mild conditions.