The first enantioselective syntheses of vicinal difluoropyrrolidines and the first catalytic asymmetric synthesis mediated by the C2 symmetry of a –CHFCHF– unit
The first enantioselective syntheses of vicinal difluoropyrrolidines and the first catalytic asymmetric synthesis mediated by the C2 symmetry of a –CHFCHF– unit
Enantioselective Syntheses of <i>trans</i>-3,4-Difluoropyrrolidines and Investigation of Their Applications in Catalytic Asymmetric Synthesis
作者:Charles M. Marson、Robert C. Melling
DOI:10.1021/jo0513414
日期:2005.11.1
Asymmetric Syntheses of enantiopure trans-3,4-difluoropyrrolidines have been prepared by the introduction of fluorine at both centers in a single operation; asymmetric epoxidations and additions to benzaldehyde were conducted using catalysts whose chirality depends on organofluorine asymmetry.