Pyrido[2,3-d]pyrimidin-7(8H)-ones: synthesis and biomedical applications

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26 Citations (Scopus)


Pyrido[2,3-d]pyrimidines (1) are a type of privileged heterocyclic scaffolds capable of providing ligands for several receptors in the body. Among such structures, our group and others have been particularly interested in pyrido[2,3-d]pyrimidine-7(8H)-ones (2) due to the similitude with nitrogen bases present in DNA and RNA. Currently there are more than 20,000 structures 2 described which correspond to around 2900 references (half of them being patents). Furthermore, the number of references containing compounds of general structure 2 have increased almost exponentially in the last 10 years. The present review covers the synthetic methods used for the synthesis of pyrido[2,3-d]pyrimidine-7(8H)-ones (2), both starting from a preformed pyrimidine ring or a pyridine ring, and the biomedical applications of such compounds.

Original languageEnglish
Article number4161
Issue number22
Publication statusPublished - 16 Nov 2019


  • 5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-ones
  • Biological activity
  • Pyrido[2,3-d]pyrimidines
  • Substitution pattern


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