Asymmetric Cyclopropanation of Alkenes with Dimethyl Diazomalonate Catalyzed by Chiral Diene-Rhodium Complexes
作者:Takahiro Nishimura、Yuko Maeda、Tamio Hayashi
DOI:10.1002/anie.201003775
日期:——
Chiral tridentate ligand: A chiral diene–rhodium complex (1; see scheme) was found to catalyze the intermolecular asymmetric cyclopropanation of alkenes with dimethyldiazomalonate to give 1,1‐cyclopropane diesters in good yields and with high enantioselectivity.