Pseudodeoxyviolacein, a New Red Pigment Produced by the Tryptophan Metabolism of Chromobacterium violaceum

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概要

• 論文の詳細を見る

• A novel tryptophan metabolite colored with reddish orange was isolated by addition of diethyl-dithiocarbamate to washed cells of Chromobacterium violaceum. The molecular formula was identical to that of deoxyviolacein. The chemical structure was found to be 5-(3-oxoindolylidene)-3-(indol-3-yl)-3-pyrroline-2-one by means of 2D NMR in exhaustive comparisons with the structure of deoxyviolacein. The novel metabolite was named pseudodeoxyviolacein. The five cross peaks in HMBC spectra and the conformation analysis in NOESY spectra were helpful in proposing the chemical structure of the novel metabolite. Electronic spectra calculated by using a CAChe system (ZINDO) showed that the maximal absorption of pseudodeoxyviolacein is shorter than that of dexoyviolacein, giving additional evidence for the structure of pseudodeoxyviolacein. The structure differs from that of deoxyviolacein only with regard to the oxygenation for two indole rings.

• 社団法人日本農芸化学会の論文
• 1994-02-23

著者

• HOSHINO Tsutomu

  Department of Applied Biological Chemistry, Faculty of Agriculture and Graduate School of Science an

• HAYASHI Toru

  Department of Surgery, Isehara Kyodo Hospital

• Hayashi T

  Kobe Univ. Kobe Jpn

• Hoshino T

  Niigata Univ. Niigata Jpn

• Uchiyama Takeo

  Department of Agricultural Chemistry, Faculty of Agriculture, Niigata University

• Uchiyama T

  Department Of Applied Biological Chemistry Faculty Of Agriculture Niigata University

• Uchiyama Takeo

  Department Of Agricultural Chemistry Faculty Of Agriculture Niigata University

• Uchiyama T

  Faculty Of Agriculture Niigata University

• Hoshino Tsutomu

  Department Of Applied Biological Chemistry Faculty Of Agriculture And Graduate School Of Science And

• Hoshino T

  Research Institute Of Genome-based Biofactory National Institute Of Advanced Industrial Science And

• Hayashi Toru

  Department Of Pharmacology Asahi University School Of Dentistry

• Hoshino Tsutomu

  Department Of Agricultural Chemistry Faculty Of Agriculture Niigata University

• Hoshino Tsutomu

  Department Of Applied Biological Chemistry Faculty Of Agriculture And Graduate School Of Science And

• Hoshino Tsutomu

  Graduate School Of Science And Technology Faculty Of Agriculture Niigata University:(present Address

• Hoshino Tsutomu

  Department Of Applied Biological Chemistry Faculty Of Agriculture And Graduate School Of Science And

• Hoshino Tsutomu

  Graduate School Of Science And Technology And Department Of Applied Biolobical Chemistry Faculty Of

• Hayashi Toru

  Department Of Internal Medicine Tokyo Medical University

• Hayashi Toru

  Department of Dental Pharmacology, Asahi University School of Dentistry, Japan

• HAYASHI Toru

  Department of Dental Pharmacology, Asahi University School of Dentistry

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