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Letters in Organic Chemistry


ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Hexamethylenetetramine-Ionic Liquids Catalyzed Baylis-Hillman Reactions

Author(s): Rodrigo O.M. A. de Souza, Pedro H. Fregadolli, Karen M. Goncalves, Lucia C. Sequeira, Vera L.P. Pereira, Lucio C. Filho, Pierre M. Esteves, Mario L.A.A. Vasconcello and Octavio A.C. Antunes

Volume 3, Issue 12, 2006

Page: [936 - 939] Pages: 4

DOI: 10.2174/157017806779467942

Price: $65


In the present paper it is described the use of hexamethylenetetramine combined to the use of bmim+ type ionic liquids as cheap, environmentally friendly and efficient catalytic systems for Baylis- Hillman reactions between aromatic aldehydes and acrylonitrile or methyl acrylate. The Baylis-Hillman adducts were obtained in moderate to good yields (50-85%), in short reaction times. The ionic liquids can be recycled.

Keywords: BmimPF6, bmimBF4, hexamethylenetetramine, non innocent, catalysis, green chemistry

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