Synthesis and biological properties of 5,10-dideaza-5,6,7,8-tetrahydrofolic acid

Diane H. Boschelli, Stephanie Webber, John M. Whiteley, Arnold L. Oronsky, S. S. Kerwar

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


The synthesis of the antifolate 5,10-dideaza-5,6,7,8-tetrahydrofolic acid (DDATHF) has been modified. It is prepared from 2-acetamido-6-formyl-4(3H)-pyrido[2,3-b]pyrimidone and [P-(N-[1,3-bis(ethoxycarbonyl)propan-1-yl]aminocarbonyl)]phenylmethyl]-triphenylphosphonium bromide. The synthesis proceeds via a sodium hydride promoted Wittig condensation in 1-methyl-2-pyrrolidone followed by catalytic reduction, mild base hydrolysis, and acid precipitation of the product. Synthesis of DDATHF is achieved in a total of seven steps from commercially available reagents. DDATHF is transported effectively into CCRF-CEM cells and inhibits growth of both human (CEM) and murine (L1210) cells in culture. Studies reported here support the view that methotrexate and DDATHF are transported via a shared transport mechanism.

Original languageEnglish (US)
Pages (from-to)43-49
Number of pages7
JournalArchives of Biochemistry and Biophysics
Issue number1
StatePublished - Aug 15 1988
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology


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