Methyleneketenes and methylenecarbenes. VI. Pyrolytic generation of acyloxycarbenes and their rearrangement to 1,2-diketones
- 1 January 1976
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 29 (8) , 1705-1712
- https://doi.org/10.1071/ch9761705
Abstract
Thermal fragmentation of 5-acyloxy-1,3-dioxan-4,6-diones (4) or thermal α-elimination of benzoic acid from the benzoyloxylactones (14) and (15) leads to 1,2-diketones in high yield. It is proposed that these 1,2-diketones are products of the rearrangement of transient intermediates which are formulated as acyloxycarbenes.Keywords
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