Photochemical Reactions. Part 64 [1]. The photochemistry of 3??alkyl??cyclopent??2??en??ones
R Reinfried, D Belluš, K Schaffner
Index: Reinfried,R. et al. Helvetica Chimica Acta, 1971 , vol. 54, p. 1517 - 1531
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Citation Number: 19
Abstract
Abstract On ultraviolet irradiation in toluene, cyclopent-2-en-one (1a) and 3-methylcyclopent- 2-en-one (1b) undergo dimerisation ([RIGHTWARDS ARROW] 3a, b, 4b), whereas 3-t-butyl- cyclopent-2-en-one (1e) and the bicyclo [3.2. 1] octenone 2a only react with the solvent ([RIGHTWARDS ARROW] 5e–7e, 8–10). The 3-ethyl-(1c) and 3-isopropyl-cyclopent-2-en- ones (1d) afford by dimerisation products 3c, d, 4c and by reaction with the solvent 5c, d, ...
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