Efficient catalytic conversion of CO2 to quinazoline-2,4(1H,3H)-diones by a dual-site anion-functionalized ionic liquid: reconsidering the mechanism

被引：7

作者：

Chen, Tingting ^{[1
]}

Guo, Yujun ^{[1
]}

Xu, Yingjie ^{[1
]}

机构：

[1] Shaoxing Univ, Dept Chem, Shaoxing 312000, Zhejiang, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 82期

关键词：

ATMOSPHERIC-PRESSURE; CYCLIC CARBONATES; CHEMICAL FIXATION; ACTIVATION; CAPTURE; GREEN; ACID;

D O I：

10.1039/d3cc03956k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In order to elucidate the reaction mechanism of ionic liquid-catalyzed CO2 with 2-aminobenzonitrile, [P4442]2[Hy] with two N- sites is designed for the efficient preparation of quinazoline-2,4(1H,3H)-diones. The results show that [Hy]2- can activate 2-aminobenzonitrile by hydrogen bonding with -NH2 in addition to activating CO2, and the key intermediate is revealed. [P4442]2[Hy] can simultaneously activate CO2 and 2-aminobenzonitrile due to the two N- sites. The H-bond site of [Hy]2- with 2-aminobenzonitrile is confirmed to be -NH2, and the key reaction intermediate is proposed and the mechanism is reconsidered.

引用

页码：12282 / 12285

页数：4

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