Selective Photocatalytic Oxidation of Benzyl Amine by O2 into N-benzylidenebenzylamine on TiO2 Using Visible Light

被引：0

作者：

Higashimoto, Shinya ^{[1
]}

Hatada, Yoshiaki ^{[1
]}

Ishikawa, Ryo ^{[1
]}

Azuma, Masashi ^{[1
]}

Sakata, Yoshihisa ^{[2
]}

Kobayashi, Hisayoshi ^{[3
]}

机构：

[1] Osaka Inst Technol, Coll Engn, Asahi Ku, Osaka 5358585, Japan

[2] Yamaguchi Univ, Grad Sch Sci & Engn, Ube, Yamaguchi 7558611, Japan

[3] Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto 6068585, Japan

来源：

CURRENT ORGANIC CHEMISTRY | 2013年 / 17卷 / 21期

关键词：

Apparent quantum yields; Benzyl amine; DFT calculation; N-benzylidenebenzylamine; Selective photocatalytic oxidation; Titanium dioxide; Visible light; ONE-POT SYNTHESIS; CORRESPONDING ALDEHYDES; AEROBIC OXIDATION; MOLECULAR-OXYGEN; ALCOHOLS; IMINES; IRRADIATION; DEHYDROGENATION; EFFICIENT; SECONDARY;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

This paper deals with the photocatalytic oxidation of benzyl amine by O-2 on TiO2 under visible light irradiation, and it was found that the benzyl amine is selectively converted into N-benzylidenebenzylamine with high conversion (>80 %). The origin of visible light response is not due to the band-gap transition of TiO2, but to the excitation of the charge transfer surface complex constructed by the interaction of benzyl amine with the TiO2 surface, as characterized by spectroscopic analysis such as UV-Vis, FT-IR and DFT calculations. Moreover, investigations of the role of the surface OH groups on TiO2, the electron-transfer from the surface complex as well as kinetic studies provided insight into the reaction mechanisms.

引用

页码：2374 / 2381

页数：8

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