Mesoporous KIT-6 Supported Ionic Liquids as New and Highly Effective Heterogeneous Catalysts for Three-component Synthesis of 2-Amino-3-cyano-4H-pyrans

被引：0

作者：

Li, Jing Rui ^{[1
]}

Chen, Chen ^{[2
]}

Hu, Yu Lin ^{[1
]}

机构：

[1] China Three Gorges Univ, Coll Mat & Chem Engn, Key Lab Inorgan Nonmetall Crystalline & Energy Co, Yichang 443002, Peoples R China

[2] Jiangsu Univ Sci & Technol, Coll Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China

来源：

CROATICA CHEMICA ACTA | 2021年 / 94卷 / 01期

关键词：

2-amino-3-cyano-4H-pyrans; heterogeneous catalysis; mesoporous beta zeolite; recyclable catalyst; supported ionic liquid; ONE-POT SYNTHESIS; EFFICIENT SYNTHESIS; DIVERSE; 4H-PYRANS; 2-AMINO-4H-PYRANS; PERFORMANCE; CONVERSION;

D O I：

10.5562/cca3797

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of mesoporous KIT-6 supported ionic liquids were prepared and tested as effective and practical catalysts for the synthesis of 2-amino-3-cyano-4H-pyrans. The effects of type of catalysts, catalyst amount, and catalyst stability have also been investigated in detail, the catalyst KIT-6@ILMoO4 exhibited excellent activity in good to excellent yields of 88 % - 98 %, may be attributed to the synergetic effect between hydroxyl groups of support beta and molybdate from the ionic liquid. In addition, the supported catalyst can be easily recovered and reused for six times still with satisfactory catalytic activity. Furthermore, a general synergetic catalytic mechanism for the reaction was proposed. Maybe this work employing KIT-6@ILMoO4 as highly efficient and stable catalyst for the synthesis of 2-amino-3-cyano-4H-pyrans has potential commercial applications.

引用

页码：67 / 74

页数：8

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