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Ultrasound-assisted phase-transfer catalysis method in an aqueous medium to promote the Knoevenagel reaction: advantages over the conventional and microwave-assisted solvent-free/catalyst-free method.
De-la-Torre P, Osorio E, Alzate-Morales JH, Caballero J, Trilleras J, Astudillo-Saavedra L, Brito I, Cárdenas A, Quiroga J, Gutiérrez M. De-la-Torre P, et al. Among authors: astudillo saavedra l. Ultrason Sonochem. 2014 Sep;21(5):1666-74. doi: 10.1016/j.ultsonch.2014.02.021. Epub 2014 Mar 1. Ultrason Sonochem. 2014. PMID: 24650611 Free article.