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Synthesis 1989; 1989(10): 785-786
DOI: 10.1055/s-1989-27397
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A New Synthesis of 3-Alkyl-1,2-cyclohexanediones from 2- Alkylcyclohexanones Using Iodine/Copper(II) Acetate

C. Akira Horiuchi* , Hiroshi Kiyomiya, Masaaki Takahashi, Yasuto Suzuki
  • *Department of Chemistry, Rikkyo (St. Paul's) University, Nishi- Ikebukuro, Toshima-Ku, Tokyo 171, Japan
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Publication Date:
02 May 2002 (online)

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The reactions of 2-alkyl-, 2,5-dimethyl-, and 3,3,5-trimethylcyclohexanone with iodine/copper(II) acetate in boiling aqueous acetic acid gave the respective 3-alkyl-, 3,6-dimethyl-, and 3,5,5-trimethyl-1,2-cyclohexanediones in 40-70% yields. This new synthetic method is more convenient than the methods used heretofore.