Helvetica Chimica Acta

Specifically (π→ π*)??Induced Cyclohexenone Reactions 4a??(Z??1??Propenyl)??bicyclo [4.4. 0] dec??1 (8a)??en??2??one and 4a??Z??1??Propenyl??bicyclo [4.4. 0] deca??1 (8a), …

F Nobs, U Burger, K Schaffner

Index: Nobs,F. et al. Helvetica Chimica Acta, 1977 , vol. 60, p. 1607 - 1628

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Citation Number: 15

Abstract

Abstract 4a-(Z-1-Propenyl)-bicyclo [4.4. 0] dec-1 (8a)-en-2-one (6) and 4a-(Z-1-propenyl)- bicyclo [4.4. 0] deca-1 (8a), 7-dien-2-one (17) undergo an intramolecular hydrogen transfer from the methyl group of the propenyl substitutent to the α-carbon atom of the enone group, and cyclization to the [4.4. 3] propellane derivatives 9 and 30, respectively, when excited in the π [RIGHTWARDS ARROW] π* wavelength region. The quantum yield for (Z)-6 [ ...