Synthesis and Evaluation of 6-(Dibromomethyl)-5-nitropyrimidines as Potential Antitumor Agents
摘要:
A series of 2,4,6-trisubstituted-5-nitropyrimidines have been prepared and evaluated for inhibition of proliferation of L1210 and H.Ep.2 cells in vitro. The most potent compound was 6-(dibromomethyl)-2-methoxy-4-morpholino-5-nitropyrimidine (11) (L1210, IC50 0.32 mu M; H.Ep.2, IC50 = 1.6 mu M). Of the 6-substituents incorporated, only CHBr2, CH2Br, and CHO were compatible with antiproliferative activity, while a wider variety of 4-substituents were tolerated. At concentrations near the IC50 for antiproliferative activity, a delayed resumption of cell proliferation in L1210 cultures indicated that the activity of the compounds was short-lived and suggested they might act by an alkylation mechanism.
A novel method for the synthesis of 6,7-unsubstituted pyrrolo[3,2-]pyrimidines
作者:Thomas L. Cupps、Dean S. Wise、Leroy B. Townsend
DOI:10.1016/s0040-4039(00)85706-8
日期:1982.1
The synthesis of 2,4-dimethoxypyrrolo[3,2-d]pyrimidine (4) is described. This facile, 3-step synthesis involves the bromination of 2,4-dimethoxy-6-methyl-5-nitropyrimidine (1), and the subsequent conversion of compound 1 into compound 4.