Tetrahedron letters

Catalytic investigations of calix [4] arene scaffold based phase transfer catalyst

P Srivastava, R Srivastava

Index: Srivastava, Pallavi; Srivastava, Rajendra Tetrahedron Letters, 2007 , vol. 48, # 26 p. 4489 - 4493

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Citation Number: 28

Abstract

Calix [4] arene scaffold based quaternary ammonium salts as multi-site phase transfer catalysts were prepared and their catalytic activities were investigated for Darzens condensation, O/N-alkylation reactions and ethyl benzene oxidation. These calix [4] arene based multi-site phase transfer catalysts showed significant high catalytic activity as compared to single-site phase transfer catalysts.

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