Photochemical reaction of 1, 3-diketones. Transformation of 2-benzoyl-2-methylcyclohexanones to 4-benzoyl-2-methylcyclohexanones.

T Hasegawa, M Nishimura, Y Kodama…

文献索引：Hasegawa; Nishimura; Kodama; Yoshioka Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 3 p. 935 - 937

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被引用次数: 12

摘要

Upon irradiation, 2-benzoyl-2-methylcyclohexanone gave 4-benzoyl-2- methylcyclohexanone via Type II cyclization and a subsequent ring opening in 79% yield, whereas 2-benzoylcyclohexanone gave only the Type II elimination product. 2-Benzoyl-2- methyl-1-tetralone also underwent phototransformation to 4-benzoyl-2-methyl-1-tetralone.