Synthesis and biological evaluation of disubstituted pyrimidines as selective 5-HT2C agonists

Juhyeon Kim, Yoon Jung Kim, Ashwini M. Londhe, Ae Nim Pae, Hyunah Choo, Hak Joong Kim, Sun Joon Min

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Here, we describe the synthesis of disubstituted pyrimidine derivatives and their biological evaluation as selective 5-HT2C agonists. To improve selectivity for 5-HT2C over other subtypes, we synthesized two series of disubstituted pyrimidines with fluorophenylalkoxy groups at either the 5-position or 4-position and varying cyclic amines at the 2-position. The in vitro cell-based assay and binding assay identified compounds 10a and 10f as potent 5-HT2C agonists. Further studies on selectivity to 5-HT subtypes and drug-like properties indicated that 2,4-disubstituted pyrimidine 10a showed a highly agonistic effect on the 5-HT2C receptor, with excellent selectivity, as well as exceptional drug-like properties, including high plasma and microsomal stability, along with low CYP inhibition. Thus, pyrimidine 10a could be considered a viable lead compound as a 5-HT2C selective agonist.

Original languageEnglish
Article number3234
Issue number18
Publication statusPublished - 2019 Sept 5


  • 5-HT receptor
  • Binding affinity
  • Cell-based assay
  • Disubstituted pyrimidine
  • Selectivity

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemistry (miscellaneous)
  • Molecular Medicine
  • Pharmaceutical Science
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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