Synthesis of a highly active Nb2O5 for 1,2-cyclohexanediol production

被引：1

作者：

Bruziquesi, Carlos G. O. ^{[1
]}

Filho, Jose B. G. ^{[1
]}

Victoria, Henrique F. V. ^{[2
]}

Krambrock, Klaus ^{[2
]}

Mansur, Herman S. ^{[3
]}

Mansur, Alexandra A. P. ^{[3
]}

Chagas, Poliane ^{[1
]}

Silva, Adilson C. ^{[4
]}

Oliveira, Luiz C. A. ^{[1
]}

机构：

[1] Univ Fed Minas Gerais, Chem Dept, BR-31279201 Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Phys Dept, BR-31270901 Belo Horizonte, MG, Brazil

[3] Univ Fed Minas Gerais, Dept Met & Mat Engn, BR-31279201 Belo Horizonte, MG, Brazil

[4] Univ Fed Ouro Preto, Chem Dept, BR-35400000 Ouro Preto, MG, Brazil

来源：

CATALYSIS COMMUNICATIONS | 2022年 / 171卷

关键词：

Niobium; Cyclohexene; Peroxo; Oxidation; 1,2-cyclohexanediol; SELECTIVE OXIDATION; ALLYLIC OXIDATION; MODIFIED NIOBIA; CYCLOHEXENE; CATALYST; EPOXIDATION; OXYGEN;

D O I：

10.1016/j.catcom.2022.106511

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：

A commercial niobium oxide was used to form a gelled material, which was lyophilized producing a novel polyoxoniobate catalyst (L-AmNbO) containing peroxo groups. The activity of this new catalyst was assessed through oxidation reactions of the cyclohexene. In the presence of L-AmNbO catalyst, the oxidation of cyclohexene with H2O2 reached 90% of conversion after 12 h at 75 degrees C, with selectivity for 1,2-cyclohexanediol (similar to 50%). The catalytic results and the surface properties of this new material indicated that it can be a promising catalyst for niobium compounds applications in the selective oxidation of cyclohexene.

引用

页数：5

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