SEARCH Articles Figures Tables A-halogen acetal A-halogen acetal Subject Acetals halogenation Acetals halogenation Acetals halogens Acetals halogens Benzylidene acetals, halogenation Ethyl acetate halogenated phenols Ethyl acetate halogenation Halogen Substituted Acetic Acids Halogenation cyclic acetal Halogenation palladium acetate