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Kidwai, M., Bansal, V., Mothsra, P., Saxena, S., Somvanshi, R.K., Dey, S. and Singh, T.P. (2007) Molecular Iodine: A Versatile Catalyst for the Synthesis of Bis(4-Hydroxycoumarin) Methanes in Water. Journal of Molecular Catalysis A: Chemical, 268, 76-81.
http://dx.doi.org/10.1016/j.molcata.2006.11.054

has been cited by the following article:

• TITLE: Synthesis of 3,3-Arylidene Bis(4-Hydroxycoumarin) Catalyzed by p-Dodecylbenzenesulfonic Acid (DBSA) in Aqueous Media and Microwave Irradiation

  AUTHORS: Asiyeh Shamsaddini, Enayatollah Sheikhhosseini

  KEYWORDS: 3, 3-Arylidene Bis(4-Hydroxycoumarin), 4-Hydroxycoumarin, Microwave Irradiation, p-Dodecylbenzene-sulfonic Acid (DBSA), Aqueous Media

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.4 No.2, June 3, 2014

  ABSTRACT: A series of 3,3-arylidene bis(4-hydroxycoumarins) were synthesized by the reaction of aromatic aldehydes with 4-hydroxycoumarin using dodecylbenzenesulfonic acid as Br?nsted acid-surfactant catalyst in aqueous media and under microwave irradiation. The present method is operationally simple and the use of water as the reaction medium makes the process environmentally benign.