Enantioselective catalytic intramolecular cyclopropanation of allylic α-diazopropionates optimized with dirhodium(II) tetrakis[methyl 2-oxazolidinone-4(S or R)-carboxylate]
作者:Michael P. Doyle、Qi-Lin Zhou
DOI:10.1016/0957-4166(95)00289-2
日期:1995.9
High enantiocontrol, up to 85% ee, has been achieved in intramolecular cyclopropanation reactions of representative allylic alpha-diazopropionates with the catalytic uses of Rh-2(4S-MEOX)(4).