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S.-J. Tu, B. Jiang, R.-H. Jia, J.-Y. Zhang, Y. Zhang, C.-S. Yao and F. Shi, “An Efficient One-Pot, Three-Component Synthesis of Indeno[1,2-b]quinoline-9,11(6H,10H)- dione, Acri-dine-1,8(2H,5H)-dione and Quinoline-3-car-bonitrile Derivatives from Enaminones,” Organic & Biomolecular Chemistry, Vol. 4, No. 16, 2006, pp. 3664- 3668. doi:10.1039/b607575d

has been cited by the following article:

• TITLE: An Efficient Synthesis of Pyrido[2,3-d]pyrimidine Derivatives via One-Pot Three-Component Reaction in Aqueous Media

  AUTHORS: Shahrzad Abdolmohammadi, Saeed Balalaie

  KEYWORDS: Diammonium Hydrogen Phosphate (DAHP), Microwave Irradiation (MWI), Water in Organic Synthesis, Pyrido[2, 3-d]pyrimidine

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.2 No.1, March 15, 2012

  ABSTRACT: A series of pyrido[2,3-d]pyrimidines derivatives have been prepared by one-pot three-component reaction of 4(6)-aminouracil, malononitrile and aromatic aldehydes. This efficient synthesis was done under microwave irradiation conditions (method A) and also using catalytic amount of diammonium hydrogen phosphate [(NH4)2HPO4] (DAHP) in aqueous media (method B). This procedure has the advantages of good yields, easy work-up, and benign environmentally friendly character. Reaction could proceed via domino Knoevenagel-Michael-cyclization reactions.