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两亲性双功能离子液体的任务特异性:甲酸-2-羟乙基铵作为可回收促进剂和介质用于绿色合成β-硝基苯乙烯。

Ambiphilic dual activation role of a task-specific ionic liquid: 2-hydroxyethylammonium formate as a recyclable promoter and medium for the green synthesis of β-nitrostyrenes.

机构信息

Department of Chemistry and Nanoscience & Nanotechnology Research Center (NNRC) Razi University, Kermanshah 67149, Iran.

出版信息

J Org Chem. 2010 Dec 3;75(23):8295-8. doi: 10.1021/jo101696z. Epub 2010 Nov 3.

DOI:10.1021/jo101696z
PMID:21047089
Abstract

A cost-effective task-specific ionic liquid, 2-hydroxyethylammonium formate, efficiently promotes the condensation of nitroalkanes with various aldehydes to produce β-nitrostyrenes in high to excellent yields at room temperature. This reaction does not involve any hazardous organic solvent and toxic catalyst. The ionic liquid is recovered and recycled for subsequent reactions. In addition, a novel mechanism has been proposed invoking ambiphilic dual activation influence of the ionic liquid.

摘要

一种具有成本效益的特定用途离子液体,甲酸-2-羟乙基铵,在室温下高效促进硝基烷烃与各种醛的缩合反应,高产率至优秀产率得到β-硝基苯乙烯。该反应不涉及任何危险有机溶剂和有毒催化剂。离子液体可以回收并再用于后续反应。此外,还提出了一种新的机制,即离子液体的两性双活化影响。

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