Synthesis and reactivity of dioxycarbenium ions from epoxy esters and cationic zirconium complexes
作者:Peter Wipf、Wenjing Xu
DOI:10.1021/jo00074a006
日期:1993.10
Rearrangement of epoxy esters in the presence Of Cp2Zr(R)+ or CP2Zr(Cl)+ results in synthetically useful dioxycarbenium intermediates. Acetals, ortho esters, and tetrahydrofurans are prepared by ligand transfer from zirconium, intramolecular trapping, or further rearrangement reactions.