反应详情

In analogy to the procedure described in example 1c 6-bromo-2-methyl-5-nitro-3H-pyrimidin-4-one (example. 1a) was treated with the 2-methyl-6,7,8,9-tetrahydro-5H-pyrimido[4,5-d]azepin-4-ol (prepared from the corresponding N-benzyl derivative [Bull. Chem. Soc. Jap. (1971), 44(1), 153-8] by catalytic hydrogenation with palladium on charcoal) in N,N-dimethylformamide in the presence of triethylamine at room temperature to yield the title compound as yellow solid; m.p.>200° C.; MS: [M+H]+=333.