Catalytic alkenylation of γ-substituted butenolides with cyclic N -sulfonylated imines in water leading to α-arylidene butenolide derivatives
作者:Feng Li、Jingjing Wang、Wenlong Pei、Hai Ma、Hong Li、Mingyue Cui、Shuxin Peng、Shihui Wang、Lantao Liu
DOI:10.1016/j.tetlet.2018.06.062
日期:2018.8
An efficient Et3N-catalyzed alkenylation of γ-substituted deconjugated butenolides with cyclic N-sulfonylated imines in water is described. The reaction proceeds efficiently under mild reaction conditions to give α-arylidene butenolide derivatives in high yield (82–96%).