Silica functionalized Cu(II) catalysed selective oxidation of benzyl alcohols using TEMPO and molecular oxygen as an oxidant

Journal of Chemical Sciences

Pankaj Sharma¹  Monika Gupta1¹  Manjulla Gupta¹  Rajive Gupta¹ 

[1] Department of Chemistry, University of Jammu, Jammu-180 006, India$$

关键词: Oxidation;    copper(II);    aminopropyl silica;    recyclability;    TEMPO;    molecular oxygen.;   

DOI  :  

来源: Indian Academy of Sciences

【 摘 要 】

A general scheme for the oxidation of benzyl alcohols catalyzed by silica functionalized copper (II) has been designed. TEMPO, a free radical, assists this oxidation that was initiated by molecular oxygen which converts it to a primary oxidant. This catalytic combination i.e. SiO2 -Cu(II) in presence of TEMPO and oxygen provides excellent results in terms of yields and reaction time. SiO2 -Cu(II) was very well characterized by different spectroscopic techniques such as FTIR, XRD, TGA, XPS, EDAX, SEM, TEM and AAS and is recyclable upto five times which makes it economically beneficial.

【 授权许可】

Unknown