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H. Y. Ju, M. D. Manju, K. H. Kim, S.W. Park and D. W. Park, “Catalytic Performance of Quaternary Ammonium Salts in the Reaction of Butyl Glycidyl Ether and Carbon Dioxide,” Journal of Industrial and Engineering Chemistry, Vol. 14, No. 2, 2008, pp. 157-160.
http://dx.doi.org/10.1016/j.jiec.2007.12.001

has been cited by the following article:

• TITLE: Phase Transfer Catalysis Improved Synthesis of 3,4-Dihydropyrimidinones

  AUTHORS: Hela Slimi, Khemaïs Saïd, Younes Moussaoui, Ridha Ben Salem

  KEYWORDS: Multicomponent Reaction; Biginelli Reaction; 3, 4-Dihydropyrimidinones; Phase-Transfer Catalysis; Quaternary Ammonium Salts

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.3 No.3A, November 28, 2013

  ABSTRACT: Various 3,4-dihydropyrimidinones can be prepared via Biginelli reaction in aqueous media by using quaternary ammonium salts of different alkyl groups (C4 and C8) and anions (Cl-and Br-) as catalysts. The use of quaternary ammonium salts along with longer alkyl chains increases the yield of the Biginelli reaction; however, bromide ammonium salts are less active than the chloride ones.