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Synthesis 1991; 1991(4): 325-326
DOI: 10.1055/s-1991-26458
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A Novel Selective Oxidation of 5-Substituted 2-Hydroxy-3-hydroxymethylbenzaldehydes

Yuefei Hu* , Hongwen Hu
  • *Department of Chemistry, Nanjing University, Nanjing, People's Republic of China
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Publication Date:
29 April 2002 (online)

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5-Substituted 2-hydroxy-1,3-benzenedicarbaldehydes 3 and 5-substituted 3-formyl-2-hydroxybenzoic acids 4 were prepared by selective oxidation of 5-substituted 2-hydroxy-3-(hydroxymethyl)-benzaldehydes 1 in a one-pot reaction. Compounds 1 were reacted with ethylenediamine and copper acetate to produce the complexes 2 as intermediates, in which formyl and phenolic hydroxy groups were protected in the subsequent oxidation step.

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