Coenzyme models. 18. Metal catalysis of NADH model reduction in aqueous systems.
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概要
- 論文の詳細を見る
Metal ions (Ni<SUP>2+</SUP> and Zn<SUP>2+</SUP>) affected the NADH model reduction of 2-pyridinecarbaldehyde and Schiff bases in aqueous systems. In particular, the rate of the dihydroquinoline reduction of <I>N</I>-(2-pyridylmethylene)-2-pyridylmethylamine was augmented by more than 200-fold, compared with that in the absence of metal ions. On the other hand, the reduction of benzil, ethyl benzoylformate, and trifluoroacetophenone was not subject to the metal catalysis. The enhanced reactivity is accounted for by the affinity of Schiff bases toward metal ions. The efficiency of the metal catalysis was compared with that of the proton catalysis. This is the first example of the systematic examination of the metal catalysis in aqueous systems.
- 公益社団法人 日本化学会の論文
著者
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Shinkai Seiji
Department Of Applied Chemistry Faculty Of Engineering Kyushu University
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MANABE Osamu
Department of Applied Chemistry, Faculty of Engineering, Nagasaki University
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Kusano Yumiko
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
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Hamada Hisatake
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
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