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Application of β-cyclodextrin-polyurethane as a stationary microvessel and solid–liquid phase-transfer catalyst: Preparation of benzyl cyanides and azides in water

Paper ID Volume ID Publish Year Pages File Format Full-Text
50090 46779 2012 4 PDF Available
Title
Application of β-cyclodextrin-polyurethane as a stationary microvessel and solid–liquid phase-transfer catalyst: Preparation of benzyl cyanides and azides in water
Abstract

Application of water tolerant heterogeneous catalyst, β-cyclodextrin-polyurethane (β-CDPU) polymer, as an efficient microvessel and polymeric host system for nucleophilic substitution reaction of benzyl halides with cyanide and azide anions in water has been described. The reactions gave only pure products, which did not require any further purification. The most important features of this method are high yields, clean reactions and that the catalyst can be recovered and recycled.

► β-Cyclodextrin-polyurethane as an efficient microvessel and polymeric host system. ► Hetrogenous catalyst in nucleophilic substitution of benzyl halides. ► Efficient conversion of benzyl halides to cyanide and azide in water. ► This method is safe, cost effective and easy to operate.

Keywords
Nucleophilic substitution; β-Cyclodextrin-polyurethane; β-Cyclodextrin; Benzylic cyanide; Benzylic azide
First Page Preview
Application of β-cyclodextrin-polyurethane as a stationary microvessel and solid–liquid phase-transfer catalyst: Preparation of benzyl cyanides and azides in water
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 18, 10 February 2012, Pages 102–105
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis