反应详情

In analogy to the procedure described in example 1, the 6-bromo-2-methyl-5-nitro-3H-pyrimidin-4-one (as prepared in Eur. Pat. Appl. EP 1 074 549 A2) was treated with the 4-(4-fluoro-phenyl)-piperidine hydrochloride in N,N-dimethylformamide in the presence of N-ethyldiisopropylamine at room temperature to yield the 6-[4-(4-fluoro-phenyl)-piperidin-1-yl]-2-methyl-5-nitro-3H-pyrimidin-4-one as yellowish solid;