Oxidation of 1-Phenylethane-1,2-Diol to 2-Hydroxy-1-Phenylethan-1-One Catalyzed by Gold Nanocrystals

被引：2
|
作者：
Zhang, Fangwei [1 ]
Zhang, Jiali [2 ]
Guo, Shouwu [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Dept Elect Engn, Shanghai 200240, Peoples R China
来源：
CHEMISTRYSELECT | 2018年 / 3卷 / 48期
关键词：
Gold; Oxidation; Diol; LIQUID-PHASE OXIDATION; SELECTIVE OXIDATION; AEROBIC OXIDATION; ALCOHOLS; NANOPARTICLES; CARBON;
D O I：
10.1002/slct.201803142
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We demonstrate here that under a mild condition (aqueous solution, pH 7, 50 degrees C, 6 MPa O-2) gold nanocrystals (AuNCs) can catalyze the oxidation of 1-phenylethane-1,2-diol to 2-hydroxy-1-phenylethan-1-one selectively. And the yield can reach 87% when 94% the reactant is converted. Through comparing with different substrates, we show that the high selectivity of the AuNCs for 2-hydroxy-1-phenylethan-1-one is due to the activity difference between the two hydroxy groups in the diol. AuNCs tend to catalyze the oxidation of the hydroxy group that locates in alpha-C position of benzyl diol.
引用
收藏
页码：13638 / 13640
页数：3
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