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Synthesis 1993; 1993(6): 563-564
DOI: 10.1055/s-1993-25903
short paper
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Synthesis of Aldehydes from Carboxylic Acids via N-Methoxyimidoyl Bromides: Deoximation of O-Methyloximes

Takeshi Sakamoto* , Yasuo Kikugawa
  • *Faculty of Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-02, Japan
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Publikationsdatum:
17. September 2002 (online)

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Aldehydes are synthesized by hydrogenation and subsequent deoximation of substituted N-methoxyalkanimidoyl bromides, which are prepared in one pot by reaction of the corresponding carboxylic acids with methoxyamine and triphenylphosphine carbon tetrabromide. Regeneration of aldehydes and ketones from O-methyloximes under mild conditions is also described.