An unexpected metal-free DMAP catalyzed Michael addition–elimination domino reaction between 2-naphthols and bromomaleimides for the effective construction of 3-arylmaleimides
作者:Yong Zhang、Feng Chen、Yu Yang、Chao-Zhe Tang、Fang Tian、Lin Peng、Li-Xin Wang
DOI:10.1016/j.tetlet.2016.02.016
日期:2016.3
An unexpected novel DMAP catalyzed Michael addition–elimination domino reactionbetween 2-naphthols and bromomaleimides has been reported. This protocol features metal-free catalysis and mild reaction conditions, which furnished 3-arylmaleimides in moderate to excellent yields (25–89% yields).
Et3N-Promoted Tandem Cyclization of Bromomaleimides with Active Methylene Compounds: An Efficient Synthesis of cis-3,4-Dihydropyrrolidine-2,5-diones
作者:Mengyao Li、Yinghong Zhu、Haibin Wang、Wanli Chen
DOI:10.1055/s-0039-1690098
日期:2019.8
The Et3N-promoted tandem cyclization of bromomaleimides with activemethylenecompounds is presented, providing an efficient method for the synthesis of cis-3,4-dihydropyrrolidine-2,5-diones in moderate to good yields under mild conditions.