反应详情

The invention relates to an improved process for the catalytic hydrogenation of 2,4-diamino-6-hydroxy-5-nitrosopyrimidine (DAHNP) and the reaction of the resulting 2,4,5-triamino-6-hydroxy-pyrimidine (TAHP) with formic acid to yield 2,4-diamino-5-formylamino-6-hydroxy-pyrimidine (DAFHP).