Nonclassical 2,4-Diamino-5-aryl-6-ethylpyrimidine Antifolates: Activity as Inhibitors of Dihydrofolate Reductase from <i>Pneumocystis carinii</i> and <i>Toxoplasma gondii</i> and as Antitumor Agents
作者:Claire Robson、Michelle A. Meek、Jan-Dierk Grunwaldt、Peter A. Lambert、Sherry F. Queener、Dirk Schmidt、Roger J. Griffin
DOI:10.1021/jm970055k
日期:1997.9.1
selectivity. Selected analogues were evaluated for in vivo antitumor activity against the methotrexate-resistant M5076 murine reticulosarcoma, with 2,4-diamino-5-4'-[N-[4"-(N"-methylcarbamoyl)benzyl]-N- methylamino]-3'-nitrophenyl}-6-ethylpyrimidine (14) (Ki for rat liver DHFR = 0.00035 +/- 0.00029 nM) combining significant antitumor activity with minimal toxicity.