Environmentally friendly epoxidation of olefins under phase-transfer catalysis conditions with hydrogen peroxide

Y Mahha, L Salles, JY Piquemal, E Briot, A Atlamsani…

Index: Mahha, Yahdih; Salles, Laurent; Piquemal, Jean-Yves; Briot, Emmanuel; Atlamsani, Ahmed; Bregeault, Jean-Marie Journal of Catalysis, 2007 , vol. 249, # 2 p. 338 - 348

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Citation Number: 35

Abstract

Several catalysis systems, WO3⋅ H2O/H2O2–H2O–H3O+/Q+ A−/H3PO4/H2SO4/solvent (Q+ A−= Arquad 2HT®,[CH3 (n-C8H17) 3N]+ Cl−;[CH3 (n-C8H17) 3N]+ HSO4−,[CH3 (n- C8H17) 3N]+ H2PO4−; solvent: CHCl3 or toluene) were used to selectively and efficiently convert olefins to their corresponding epoxides at room temperature. With cyclooctene and using Arquad 2HT® as the phase-transfer agent, there is a synergy when both phosphate ...