Stereocontrolled generation of nucleophilic (Z)- or (E)-α-fluoroalkenylchromium reagents via carbon–fluorine bond activation: highly stereoselective synthesis of (E)- or (Z)-β-fluoroallylic alcohols
Highly nucleophilic (Z)- or (E)-alpha-fluoroalkenylchromium species could be generated in a stereoselective manner via C-F bond activation of CBrF2-containing molecules, and they reacted smoothly with various aldehydes to give (E)- or (Z)-beta-fluoroallylic alcohol derivatives in high yields, respectively.