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Di-n-butyl ammonium chlorosulfonate as a highly efficient and recyclable ionic liquid for the synthesis of N-containing bisphosphonates

Paper ID Volume ID Publish Year Pages File Format Full-Text
50550 46801 2015 5 PDF Available
Title
Di-n-butyl ammonium chlorosulfonate as a highly efficient and recyclable ionic liquid for the synthesis of N-containing bisphosphonates
Abstract

•Novel di-n-butyl ammonium ionic liquid (DBA IL) is synthesized and well characterized.•The DBA IL is an admirable organocatalyst for the synthesis of N-containing bisphosphonates•N-containing bisphosphonates are obtained in good yields at eco-friendly conditions.•The DBA IL catalyst is recyclable without losing its catalytic activity up to four cycles.

The preparation and description of a novel secondary amine ionic liquid, di-n-butyl ammonium chlorosulfonate, is described. The di-n-butyl ammonium ionic liquid (DBA IL) was characterized by FT-IR, elemental analysis, NMR spectroscopies, and wide-angle X-ray scattering techniques, as well as thermogravimetric analysis. The DBA IL functions as an efficient, environmentally benign, and recyclable catalyst with short reaction times and high catalytic activity for the synthesis of a variety of N-containing bisphosphonates in high yields. Another merit of this ionic liquid shown that the purification of products by non-chromatographic method with good to excellent yields of the desired products.

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Keywords
Ionic liquid; di-n-butylamine; sulfonic acid; N-BPs; amines
First Page Preview
Di-n-butyl ammonium chlorosulfonate as a highly efficient and recyclable ionic liquid for the synthesis of N-containing bisphosphonates
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 61, 10 February 2015, Pages 102–106
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis