Organoaluminium reagents induced isomerization of 5-hydroxy-3,3,6-trimethyl-5-heptenoic acid δ-lactone to 2,2,5,5-tetramethyl-1,3-cyclohexanedione |
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| Authors: | Hiroki Tomioka Koichiro Oshima Hitosi Nozaki |
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| Institution: | Department of Industrial Chemistry, Faculty of Engineering, Kyoto University, Yoshida, Kyoto 606, Japan |
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| Abstract: | Treatment of the title lactone and the related δ or ε-lactones with Et2AlSR (R = Et or Ph) gave 1,3-cyclohexanediones or 1,3-cycloheptanediones in excellent yields. |
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