Photochemistry of cyclopentenones: tricyclo [4.3. 2.0] undecenones and tricyclo [3.3. 3.0] undecenones

RL Cargill, NP Peet, DM Pond, WA Bundy…

Index: Cargill, Robert L.; Peet, Norton P.; Pond, David M.; Bundy, William A.; Sears, A. Bradford Journal of Organic Chemistry, 1980 , vol. 45, # 20 p. 3999 - 4001

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Citation Number: 3

Abstract

The irradiation of the tricyclo [4.3. 2.0] undecenones 6a-c, even in cyclohexene as solvent, results only in a quantitative isomerization to 7a-c, whereas irradiation of the tricyclo [3.3. 3.0] undecenones 11 and 18 in cyclohexene gives primarily cycloadducts and products of “frustrated” cycloaddition.

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