Preparation and characterization of Ca-modified Co/Al2O3 and its catalytic application in the one-pot synthesis of 4H-pyrans

被引：4

作者：

Khaledi, Sakineh ^{[1
]}

Rajabi, Mahboobe ^{[1
]}

Momeni, Ahmad Reza ^{[1
]}

Samimi, Heshmat Allah ^{[1
]}

Albadi, Jalal ^{[1
]}

机构：

[1] Shahrekord Univ, Fac Sci, Dept Chem, POB 115-381, Shahrekord, Iran

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2020年 / 46卷 / 06期

关键词：

Co; Ca-Al2O3; nanocatalyst; 4H-pyrans; Multicomponent reactions; Co-based catalyst; Heterogeneous catalysis; BONE MEAL NANOPARTICLES; HETEROGENEOUS CATALYST; EFFICIENT CATALYST; ECOFRIENDLY SYNTHESIS; MANGANESE OXIDE; MIXED-OXIDE; DERIVATIVES; OXIDATION; GREEN; VERSATILE;

D O I：

10.1007/s11164-020-04139-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this research, Co/Ca-Al2O3 composite as a heterogeneous nanocatalyst was synthesized by the co-precipitation method. The effect of Ca addition on the textural properties and the catalytic activity was investigated. The results show that the specific surface area and the particle size of the catalyst were influenced by the addition of Ca as well as the catalytic activity of the Co/Al2O3 oxide catalyst was increased. The catalyst was characterized by XRD, SEM, EDS, TEM and BET surface area analysis. The catalytic activity of Co/Ca-Al2O3 was investigated in the synthesis of 4H-pyrans. The Co/Ca-Al2O3 showed better catalytic activity than Al2O3 and Co/Al2O3. The catalyst can be recycled and reused without a significant structural change or considerable decrease in its activity. Graphic abstract

引用

页码：3109 / 3123

页数：15

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