One-pot synthesis of cyclohexanone oxime from cyclohexanol on a single site multifunctional catalyst: H3PW12O40 incorporated on exfoliated montmorillonite

被引：8

作者：

Wang, Hefang ^{[1
]}

Zhang, Li ^{[1
]}

Yang, Yongfang ^{[1
]}

Fang, Luping ^{[1
]}

Wang, Yanji ^{[1
]}

机构：

[1] Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin 300130, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2016年 / 87卷

关键词：

One-pot synthesis; Cyclohexanone oxime; Cyclohexanol; Multifunctional catalyst; Exfoliated montmorillonite; SILICA-PILLARED CLAY; 12-TUNGSTOPHOSPHORIC ACID; DODECATUNGSTOPHOSPHORIC ACID; PHOSPHOTUNGSTIC ACID; HETEROPOLY ACID; ZEOLITE-Y; AMMOXIMATION; PERFORMANCE; OXIDATION; IMMOBILIZATION;

D O I：

10.1016/j.catcom.2016.07.020

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Exfoliated montmorillonite (ex-MMT) incorporated with H3PW12O40 (HPW) was prepared by introducing HPW to cetyltrimethylammonium bromide modified MMT. HPW-ex-MMT was characterized by XRD, FT-IR, TGA, N-2 adsorption-desorption, UV-vis DRS, P-31 MAS NMR, contact angle and SEM. CTAB played a decisive role in the introduction and dispersion of HPW on ex-MMT. HPW-ex-MMT exhibited good catalytic performance in one-pot synthesis of oxime from alcohol with aqueous ammonia and hydrogen peroxide. The high catalytic performance is attributed to highly dispersed HPW over ex-MMT and highly hydrophobic surface of 20% HPW-ex-MMT. The catalyst could be recovered and reused several times without significant deactivation of catalytic performance. (C) 2016 Published by Elsevier B.V.

引用

页码：27 / 31

页数：5

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