Synthesis of β-keto-sulfones using ionic liquid [TPA] [Pro] as an efficient and reusable reaction medium

Facile and an efficient synthesis of P-keto-sulfones is described by the reaction of alpha-haloketone with sodium alkyl/aryl sulphinates in ionic liquid [TPA][Pro] as an efficient and reusable reaction medium to afford the corresponding P-keto-sulfones in excellent yields. (C) 2007 Elsevier B.V. All rights reserved.