N3S-ligated Copper(II) Complex Catalyzed Selective Oxidation of Benzylic Alcohols to Aldehydes under Mild Reaction Conditions

被引：2

作者：

Dharmalingam, Sivanesan ^{[1
]}

Koo, Eunhae ^{[2
]}

Yoon, Sungho ^{[1
]}

Park, Gyoosoon ^{[1
]}

机构：

[1] Kookmin Univ, Dept Bio & Nano Chem, Seoul 136702, South Korea

[2] Korea Inst Ceram Engn & Technol, Bio IT Convergence Ctr, Seoul 153801, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2014年 / 35卷 / 03期

关键词：

Copper(II) catalyst; Selective oxidation; Reusability and easy separation; AEROBIC OXIDATION; ACTIVE-SITE; HEXADENTATE LIGANDS; GALACTOSE-OXIDASE; THIOETHER; OXYGEN; KETONES; TEMPO; REDOX;

D O I：

10.5012/bkcs.2014.35.3.715

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A Cu(II) complex with an three nitrogens and one sulfur coordination environment was synthesized and characterized. Its redox potential was observed at 0.483 V vs. NHE, very similar to that of a Cu-containing fungal enzyme, galactose oxidase, which catalyzes the oxidation of alcohols to corresponding aldehydes with the concomitant reduction of molecular oxygen to water. The Cup complex selectively oxidizes the benzylic alcohols using TEMPO/O-2 under mild reaction conditions to corresponding aldehydes without forming any over-oxidation product. Moreover, the catalyst can be recovered and reused multiple times for further oxidation reactions, thus minimizing the waste generation.

引用

页码：715 / 720

页数：6

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