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Synthesis and biological evaluation of N-{4-[5-(2,4-diamino-6-oxo-1,6- dihydropyrimidin-5-yl)-2-(2,2,2-trifluoroacetyl)pentyl]benzoyl}-L-glutamic acid as a potential inhibitor of GAR Tfase and the de novo purine biosynthetic pathway

  • Heng Cheng
  • , Inkyu Hwang
  • , Youhoon Chong
  • , Ali Tavassoli
  • , Michael E. Webb
  • , Yan Zhang
  • , Ian A. Wilson
  • , Stephen J. Benkovic
  • , Dale L. Boger

Research output: Contribution to journalArticlepeer-review

Abstract

The synthesis and evaluation of N-{4-[5-(2,4-diamino-6-oxo-1,6- dihydropyrimidin-5-yl)-2-(2,2,2-trifluoroacetyl)pentyl]benzoyl}-l-glutamic acid (2) as an inhibitor of glycinamide ribonucleotide transformylase (GAR Tfase) and aminoimidazole carboxamide ribonucleotide transformylase (AICAR Tfase) are reported. The inhibitor 2 was prepared in a convergent synthesis involving C-alkylation of methyl 4-(4,4,4-trifluoro-3-dimethylhydrazonobutyl)benzoate with 1-chloro-3-iodopropane followed by construction of the pyrimidinone ring. Compound 2 was found to be an effective inhibitor of recombinant human GAR Tfase (Ki = 0.50 μM), whereas it was inactive (Ki > 100 μM) against E. coli GAR Tfase as well as recombinant human AICAR Tfase. Compound 2 exhibited modest, purine-sensitive growth inhibitory activity against the CCRF-CEM cell line (IC50 = 6.0 μM).

Original languageEnglish (US)
Pages (from-to)3593-3599
Number of pages7
JournalBioorganic and Medicinal Chemistry
Volume13
Issue number10
DOIs
StatePublished - May 15 2005

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmaceutical Science
  • Drug Discovery
  • Organic Chemistry
  • Clinical Biochemistry

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