Cellulose nanocrystallites as an efficient support for nanoparticles of palladium: application for catalytic hydrogenation and Heck coupling under mild conditions

被引:225
作者
Cirtiu, Ciprian M. [1 ]
Dunlop-Briere, Alexandre F. [1 ]
Moores, Audrey [1 ]
机构
[1] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
MICROCRYSTALLINE CELLULOSE; STABILIZATION; PHENOL; SIZE;
D O I
10.1039/c0gc00326c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report herein the synthesis of a new hybrid material, PdNPs@CNCs consisting of monodisperse Pd nanoparticles (PdNPs) evenly deposited onto colloidal cellulose nanocrystallites (CNCs). This material proved an active catalyst for the hydrogenation reaction of phenol to cyclohexanone in water as a solvent, at room temperature, under 4 bar of dihydrogen. Moreover, the catalyst perfomed well in the Heck coupling of styrene and iodobenzene in a hydro-organic mixture. CNCs constitute a highly crystalline, ordered and yet accessible green material easily obtained from wood pulp. This work demonstrates the possibility of using colloidal CNCs as an efficient support for catalysis.
引用
收藏
页码:288 / 291
页数:4
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