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A. B. Deyanov, R. K. Niyazov, F. Y. Nazmetdivov, B. Y. Syropyatov, V. E. Kolla and M. E. Konshin. “Synthesis and Biological Activity of Amides and Nitriles of 2- Arylami-no-5-carboxy(carbethoxy)-6-methylnicotinic acids and 1-aryl-6-carbethoxy-7-methyl-4-oxo-1,4-dihydro- pyri-do[2,3-d]pyrimidines,” Journal of Pharmaceutical Chemistry, Vol. 25, No. 4, 1991, pp. 248-250.
doi:10.1007/BF00772106
has been cited by the following article:
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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.