Acetyl migrations in a photoexcited βγ-unsaturated methyl ketone: 1,3-shift in the excited singlet state and 1,2-shift in the triplet state
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 19,p. 1103-1104
- https://doi.org/10.1039/c29690001103
Abstract
In solution, 3-acetyl-1,2,3-trimethylcyclopent-1-ene (I) undergoes a sigmatropic 1,3-acetyl shift as the major unimolecular reaction in the excited singlet state, and a (thermatically reversible) 1,2-acetyl shift with cyclopropane ring-closure as the predominant triplet state reaction.Keywords
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