Инвентарный номер: нет. T 82 Transformations of 5-diazo derivatives of 1,3-dimethyl-6-hydrazinouracil - new synthetic approaches to novel pyrimidine-derivatives [Electronic resource] / Y. A. Azev, O. L. Guselnikova, O. N. Chupakhin // Mendeleev Communications. - 1994. - N 6. - P208-209 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: 1,3-Dimethyl-6-hydrazinouracil 1 gives hydrazones 2 with the corresponding aldehydes. Heating of 6-hydrazinouracil 1 in ethanol in the presence of hyrochloric acid results in the formation of N1, N2-bis(1,3-dimethyl-2,6-dioxopyrimid-4-yl)hydrazine 3, which gives the diazo derivative 4 on treatment with 2,4-diazido-6-cyanomethoxy-s-triazine in DMSO in the presence of triethylamine et room temperature |