Departmental Bulletin Paper 有機合成における酸化グラフェン触媒の構造と反応性の相関

井坂, 琢也

The correlation between the structure and the reactivity of graphene oxide (GO) as catalyst for the organic synthesis in organic and water medium was investigated in terms of base-treatment and thermalreduction by using XPS, FTIR and GC-MS. Highly oxidized GO samples acted as oxidizing reagent in a synthesis reaction of N-benzylidenebenzylamine from benzylamine. However, GO samples act as catalyst after the 1st cycle reaction, where nitrogen-containing functional groups play an important role. In thesynthesis reaction for xanthene-derivatives in water medium, base-treated GO samples work as catalyst, where it is suggested that C-O-C and/or C=O relates to the reactivity.Key Words : graphene oxide, chemical activity, chemical structure

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