Artículos de revistas
Improved catalysis of Morita-Baylis-Hillman reaction. The strong synergic effect using both an imidazolic ionic liquid and a temperature
Registro en:
Tetrahedron Letters. Pergamon-elsevier Science Ltd, v. 50, n. 11, n. 1184, n. 1187, 2009.
0040-4039
WOS:000263749600008
10.1016/j.tetlet.2008.12.089
Autor
Porto, RS
Amarante, GW
Cavallaro, M
Poppi, RJ
Coelho, F
Institución
Resumen
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) The effect of different catalytic conditions for the Morita-Baylis-Hillman reaction has been evaluated both experimentally and by chemometry. The use of either ultrasound at 0 degrees C, ultrasound with an imidazolic ionic liquid at 0 degrees C or the ionic liquid catalyst at 0 and 50 degrees C was systematically tested. A strong synergic effect, which significantly increases the reaction rates and yields, was observed when the reactions were performed using an imidazolic ionic liquid catalyst at both 0 and 50 degrees C. (C) 2008 Elsevier Ltd. All rights reserved. 50 11 1184 1187 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) RSP [03/05410-0] GWA [05/02373-2] MC [07/55548-0] FC [06/06347-9, 04/09475-0] Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) RSP [03/05410-0] GWA [05/02373-2] MC [07/55548-0] FC [06/06347-9, 04/09475-0]