A Pd-catalyzed Overman rearrangement of α-fluoroalkylated allylic trichloroacetimidates has been developed. This reaction allows for an efficient synthesis of γ-fluoroalkylated allylic amine derivatives with excellent regio- and stereo-selectivities under mild conditions.
Synthesis of stereocontrolled α,α-difluoro-β-hydroxycarbonyl materials
作者:Takeshi Kaneda、Shinya Komura、Tomoya Kitazume
DOI:10.1016/j.jfluchem.2004.09.026
日期:2005.1
Synthesis and synthetic utilities of stereocontrolled alpha, alpha-di fluoro-beta-hydroxy-gamma,delta-unsaturated carbonyl compounds via enzymatic resolution with lipase PS (Pseudomonas cepacia, Amano Pharmaceutical Co. Ltd.) or lipase MY (Candida rugosa, Meito Sangyo Co. Ltd.) were described, and then the absolute configuration of obtained chiral materials was determined by the modified Mosher's method. (C) 2004 Elsevier B.V. All rights reserved.