Synthesis of Cyclic Sulfites from Epoxides and Sulfur Dioxide with Silica??Immobilized Homogeneous Catalysts

…, JC Choi, N Fukaya, T Sakakura, H Yasuda

Index: Takenaka, Yasumasa; Kiyosu, Takahiro; Mori, Goro; Choi, Jun-Chul; Fukaya, Norihisa; Sakakura, Toshiyasu; Yasuda, Hiroyuki ChemSusChem, 2012 , vol. 5, # 1 p. 194 - 199

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Citation Number: 8

Abstract

Abstract Quaternary ammonium-and amino-functionalized silica catalysts have been prepared for the selective synthesis of cyclic sulfites from epoxides and sulfur dioxide, demonstrating the effects of immobilizing the homogeneous catalysts on silica. The cycloaddition of sulfur dioxide to various epoxides was conducted under solvent-free conditions at 100 C. The quaternary ammonium-and amino-functionalized silica catalysts ...