Studies on the Voges-Proskauer Reaction. II. The Structure of a Pigment from the Diacetyl Reaction of 1-Benzyl-1-methylguanidine

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概要

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• A pigment formed in the diacetyl reaction of 1 -benzyl-1 -methylguanidine was isolated as reddish purple prisms. The reduced pigment was colorless and rapidly converted back to the original pigment on exposure to the air. On the basis of IR, NMR, and mass spectral evidence, the structures of the pigment and the reduced one were established to be 2-(<I>N</I>-benzyl-<I>N</I>-methylamino)-4-methyl-5-(1-oxo-1,2-dihydro-2-naphthylidenemethyl)-imidazole and 2-(<I>N</I>-benzyl-<I>N</I>-methylamino)-4-methyl-5-(1-hydroxy-2-naphthylmethyl)imidazole, respectively.

• 公益社団法人 日本化学会の論文

著者

• Kitajima Shinichi

  Department of Chemistry, School of Hygienic Sciences, Kitasato University

• Nishimura Tamio

  Department of Chemistry, School of Hygienic Sciences, Kitasato University

• Ishige Koichi

  Department of Chemistry, School of Hygienic Sciences, Kitasato University

• Yamazaki Chiji

  Department of Chemistry, School of Hygienic Sciences, Kitasato University

• Ueno Tetsuro

  Department of Chemistry, School of Hygienic Sciences, Kitasato University

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