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Addition reactions O 0060The Ionic Liquid Ethyltri-n-butylphosphonium Tosylate as Solvent for the Acid-Catalyzed Hetero-Michael Reaction. -A new method for the addition of alcohols, thiols and amines to methyl vinyl ketone is developed. The reaction conditions are mild and obviate the need for toxic and expensive Lewis acid catalysts. -(KARODIA*, N.; LIU, X.; LUDLEY, P.; PLETSAS, D.; STEVENSON, G.; Tetrahedron 62 (2006) 48, 11039-11043; Sch. Life Sci., Univ. Bradford, Bradford, West Yorkshire BD7 1DP, UK; Eng.) -Bartels 08-032

A number of phosphonium tosylates have been investigated as solvents for the Diels-Alder reactions of cyclopentadiene with methyl vinyl ketone and methyl acrylate.

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