SEARCH Articles Figures Tables A rearrangements A-enolation Acetals 1.2] -Wittig rearrangement Acetals rearrangement Acetate enolates Acetic acid, a-allyloxyesters, Wittig rearrangement Acids zirconium Enol acetals Enol acetates Enolates 1,4]-Wittig rearrangement Enolates rearrangements Enolates zirconium Enolic acids Enols acidity Enols rearrangement WITTIG Rearrangement Zirconium Acetate Zirconium enolate 2,3]-Wittig rearrangement