Photochemical synthesis, 22. On photochemical cycloaddition: Cyclopentenone
- 1 August 1968
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 46 (15) , 2535-2547
- https://doi.org/10.1139/v68-416
Abstract
Cyclopentenone has been added photochemically to a wide variety of olefins and the quantum efficiency determined. Mechanistic studies indicate a rapid reaction involving a triplet state by a process which is not stereospecific, but which does not allow complete equilibration. Evidence is provided which suggests that cyclopentenone reacts photochemically from two triplet states, but that only the higher leads to cycloaddition.Keywords
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