One-pot synthesis of primary amides on bifunctional Rh(OH)x/TS-1@KCC-1 catalysts

被引:19
作者
Peng, Honggen [1 ]
Wang, Darui [1 ]
Xu, Le [1 ]
Wu, Peng [1 ]
机构
[1] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China
基金
中国国家自然科学基金;
关键词
TS-1; zeolite; Core-shell material; KCC-1; Primary amide; Tandem catalyst; ORDERED MESOPOROUS MATERIALS; SILICA SHELL; CORE; NANOCOMPOSITE; NANOPARTICLES; MICROSPHERES; AMMOXIMATION; NANOSPHERES; FABRICATION; ALDOXIMES;
D O I
10.1016/S1872-2067(12)60670-6
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A new microporous/mesoporous composite with a core-shell structure, TS-1@KCC-1, was fabricated in a microemulsion system by coating flower-like mesoporous silica (KCC-1) on the crystal surface of TS-1 zeolite. The synthesis conditions and a possible formation mechanism were studied in detail for the TS-1@KCC-1 material. A suitable temperature and assembly time were found to be 373-393 K and 4 h, respectively. The shell thickness of TS-1@KCC-1 was conveniently tuned in the range 25-80 nm. Rh(OH) x species were supported on TS-1@KCC-1, giving rise to a novel bifunctional tandem catalyst Rh(OH)(x)/TS-1@KCC-1, which effectively catalyzed the one-pot synthesis of primary amides directly from aldehydes, ammonia, and hydrogen peroxide. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:2057 / 2065
页数:9
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