Synthesis and catalytic activity of organic-inorganic hybrid catalysts coordinated with cobalt(II) ions for aerobic epoxidation of styrene

被引：20
|
作者：
Wei, X. -L. [1 ,3 ]
Lu, X. -H. [1 ,3 ]
Ma, X. -T. [2 ]
Peng, C. [1 ,3 ]
Jiang, H. -Z. [1 ,3 ]
Zhou, D. [1 ,3 ]
Xia, Q. -H. [1 ,3 ]
机构：
[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Peoples R China
[2] Jingchu Univ Technol, Hubei Collaborat Innovat Ctr Targeted Antitumor D, Jingmen 448000, Peoples R China
[3] Hubei Univ, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 61卷
基金：
中国国家自然科学基金;
关键词：
Organic-inorganic hybrid material; Co-HM-50; Styrene; Epoxidation; Air; HETEROGENEOUS CATALYSTS; SELECTIVE OXIDATION; COMPOSITE CATALYSTS; COMPLEXES; OLEFINS; OXIDE; AIR;
D O I：
10.1016/j.catcom.2014.12.007
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：
New organic-inorganic hybrid materials (HM) containing 3-mercaptopropyl groups (-(CH2)(3)-SH) have been synthesized through a dry gel conversion (DGC) route. The complex catalyst Co-HM was prepared through a simple coordination of -SH with cobalt(II) ions, which was firstly applied in the aerobic epoxidation of alkenes to obtain good results. Co-HM-50 exhibited the highest activity for the epoxidation of styrene with air to achieve 95.8 mol% of conversion with the epoxide selectivity of 89.2%. Recycling and control tests showed high durability and heterogeneity of Co-HM-50 as a heterogeneous catalyst. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：48 / 52
页数：5
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