Pyrolytic generation of acyloxycarbenes and their rearrangement to 1,2-diketones
Abstract
Acyloxycarbenes are generated by thermal fragmentation of 5-benzoyloxy-1,3-dioxan-4,6-diones (1 and 2) and by thermal α-elimination of benzoic acid from 3-benzoyloxyphthalide (6).