Ionic Liquid [BDBDMIm](Br3)2 As a New Efficient Brominating Agent in the Synthesis of γ-Butyrolactones

被引：1

作者：

Fekri, L. Z. ^{[1
]}

机构：

[1] Payame Noor Univ, Dept Chem, Tehran 193953697, Iran

来源：

RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2018年 / 88卷 / 05期

关键词：

multicomponent reaction; butyrolactones; ionic liquid; solvent free; CARBOXYLIC-ACIDS; GREEN SYNTHESIS; CATALYST; LACTONES; ALCOHOLS; REAGENT;

D O I：

10.1134/S1070363218050286

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

gamma-Butyrolactones can be synthesized by a solvent free multicomponent reaction of aldehydes with ethylpyruvate followed by an intramolecular cyclization using the new brominating agent, ionic liquid [BDBDMIm](Br-3)(2). This is the first synthesis of gamma-butyrolactones starting with aldehydes via the Knovenagel condensation and halogenation, followed by multicomponent cyclization reaction. The present method offers several advantages such as solvent free mild conditions, simple procedure, excellent yields, and environmental friendliness. All synthesized compounds were characterized by their IR, H-1 and C-13 NMR spectra.

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页码：1009 / 1014

页数：6

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