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Wada, S. and Suzuki, H. (2003) Calcite and Fluorite as Catalyst for the Knoevenagel Condensation of Malononitrile and Methyl Cyanoacetate under Solvent-Free Conditions. Tetrahedron Letters, 44, 399-401.
http://dx.doi.org/10.1016/S0040-4039(02)02431-0

has been cited by the following article:

• TITLE: Visible Light Induced Knoevenagel Condensation Catalyzed by Starfruit Juice of Averrhoa carambola

  AUTHORS: Rammohan Pal, Taradas Sarkar

  KEYWORDS: Knoevenagel Condensation, Aqueous Starfruit Juice, Aldehydes, Malononitrile, Visible Light

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.4 No.2, May 22, 2014

  ABSTRACT: Aqueous starfruit juice catalyzed a simple and efficient Knoevenagel condensation of aromatic aldehydes with malononitrile has been developed under visible light. Products were obtained in yields up to 98% after short reaction times and they were isolated by simple filtration in pure crystallization states. The method is green and economically viable. A plausible mechanism for photochemical Knoevenagel condensation reaction catalyzed by starfruit juice was also predicted.