Asymmetric organocatalytic Michael/α-alkylation reaction of α,β-unsaturated aldehyde with chloroacetophenone
作者:Wenjun Li、Xin Li、Tingting Ye、Wenbin Wu、Xinmiao Liang、Jinxing Ye
DOI:10.1016/j.tetlet.2011.03.079
日期:2011.5
Asymmetricorganocatalytic Michael/α-alkylation reactions of α,β-unsaturatedaldehydes with chloroacetophenones have been developed. The biologically useful cyclopropane motifs were synthesized with high yields and up to >99% ee, >30:1 dr through Jørgensen–Hayashi catalyst under mild conditions.