Reactions and characterization of allylic and related zirconium reagents (allenic and γ-alkoxyallylic zirconiums) generated by treatment of allylic and/or propargylic ethers with a zirconocene-butene complex (“Cp2Zr”) are described.
Generation and reactions of difluorocyclopropyl anion
作者:Akira Shibuya、Sylke Pietz、Takeo Taguchi
DOI:10.1016/s0040-4039(97)01195-7
日期:1997.8
Reaction of 1-trimethylsilyl-2,2-difluorocyclopropane derivative with aldehydes in the presence of a catalytic amount of TBAF (4 mol%) provides the corresponding cyclopropylcarbinols via cleavage of the carbon-silicon bond.