An efficient organocatalytic enantioselective synthesis of spironitrocyclopropanes
作者:Utpal Das、Yi-Ling Tsai、Wenwei Lin
DOI:10.1039/c2ob26943k
日期:——
An organocatalytic asymmetric synthesis of spironitrocyclopropanes has been demonstrated starting from 2-arylidene-1,3-indandiones and bromonitroalkanes catalyzed by a cinchona-derived bifunctional organocatalyst. The products were obtained with excellent enantioselectivities, diastereoselectivities and with good yields.