81532-20-9Relevant articles and documents
Photochemical Reactions. Photochemistry of Homoconjugated Cyclobutanones. I. Synthesis and Photolysis of a Spirodeca-5,7-dien-1-one
Lyle, Terry A.,Frei, Bruno
, p. 2598 - 2605 (1981)
The title compound 4 was prepared in 54percent overall yield from eucarvone (5).On triplet sensitization 4 gives two products resulting from a 1,2-acyl shift (8 and 9), whereas singlet excitation of 4 causes decarbonylation and ketene elimination (4->10 a