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Synthesis 2008(24): 3931-3936
DOI: 10.1055/s-0028-1083254
DOI: 10.1055/s-0028-1083254
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New YorkA Catalytic Method for Room-Temperature Michael Additions Using 12-Tungstophosphoric Acid as a Reusable Catalyst in Water
Further Information
Received
18 August 2008
Publication Date:
01 December 2008 (online)
Publication History
Publication Date:
01 December 2008 (online)

Abstract
12-Tungstophosphoric acid (H3PW12O40) has been found to be an efficient and recyclable catalyst in promoting room temperature Michael additions of amines and aryl thiols to α,β-unsaturated esters and acrylonitrile in water to afford the corresponding saturated amines in good to excellent yields.
Key words
12-tungstophosphoric acid - Michael addition - α,β-unsaturated ester - acrylonitrile - recyclable catalyst - aqueous medium
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