Evidence for Deuterium Retention in the Products after Enzymatic C-C and Ether Bond Cleavages of Deuterated Lignin Model Compounds

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概要

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• The mechanism of C-C and ether bond cleavages of Cα- or Cβ-deuterated β-O-4 and β-1 lignin substructure models and the vicinal diol compounds catalyzed by the enzyme system from Phanerochaete chrysosporium culture was investigated. The enzymatic oxidation of β-O-4 lignin model compounds in the presence of H2O2 and O2 yielded C6-Cα-derived benzaldehyde, and Cβ-Cγ-derived product together with the arylglycerol product. Likewise, the β-1 models and the diol compounds also underwent the C-C bond cleavage, yielding C6-Cα-derived benzaldehyde and the arylglycol product. The results demonstrated that the D-labels at Cα and Cβ of the substrates were retained in the products after the Cα-Cβ and ether bond cleavages.

• 社団法人 日本農芸化学会の論文

著者

• SHIMADA Mikio

  Research Section of Lignin Chemistry, WOOD RESEARCH INSTITUTE, KYOTO UNIVERSITY

• HIGUCHI Takayoshi

  Research Section of Lignin Chemistry, WOOD RESEARCH INSTITUTE, KYOTO UNIVERSITY

• Umezawa Toshiaki

  Research Institute For Sustainable Humanosphere Kyoto University

• Higuchi Takayoshi

  Research Section Of Lignin Chemistry Wood Research Institute Kyoto University

• HABE Tsuyoshi

  Research Section of Lignin Chemistry, Wood Research Institute, Kyoto University

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