Cu (II) and Cd (II) anchored functionalized mesoporous SBA-15 as novel, highly efficient and recoverable heterogeneous catalysts for green oxidative coupling of thiols and C-S cross-coupling reaction of aryl halides

被引：36

作者：

Molaei, Somayeh ^{[1
]}

Tamoradi, Taiebeh ^{[1
]}

Ghadermazi, Mohammad ^{[1
]}

Ghorbani-Choghamarani, Arash ^{[2
]}

机构：

[1] Univ Kurdistan, Fac Sci, Dept Chem, Sanandaj, Iran

[2] Ilam Univ, Fac Sci, Dept Chem, POB 69315516, Ilam, Iran

来源：

POLYHEDRON | 2018年 / 156卷

关键词：

Heterogeneous catalysts; Cu; Cd; Creatinine; SBA-15; 5-SUBSTITUTED TETRAZOLES; SENSING PROPERTIES; FACILE SYNTHESIS; MODIFIED MCM-41; SILICA; SULFIDES; NANOCATALYST; CHLORIDE;

D O I：

10.1016/j.poly.2018.09.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two novel heterogeneous catalysts have been synthesized by anchoring Cu and Cd Creatinine complexes onto the surface of mesochannels of SBA-15 for highly efficient oxidative coupling of thiols to disulfides using hydrogen peroxide and synthesis of sulfides using S-8 and KOH. The structure of the prepared catalysts was determined using SEM, FT-IR, X-ray diffraction, elemental analysis, N-2 adsorption desorption analysis and TGA. The catalysts significantly enhanced the reaction rate of the oxidative coupling of thiols and C-S bond formations. The catalysts were reused several times without appreciable loss in their activity. (C) 2018 Elsevier Ltd. All rights reserved.

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页码：35 / 47

页数：13

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