反应详情

Additional N-((dimethylamino)methylene) pyrazolo(1,5-a)pyrimidine-3-carboxamide and N-((dimethylamino)methylene)-4,5-dihydropyrazolo(1,5-a)pyrimidine-3-carboxamide products are prepared from the corresponding pyrazolo(1,5-a)pyrimidine-3-carboxamide or the 4,5-dihydropyrazolo(1,5-a)pyrimidine-3-carboxamide intermediate compounds by heating with N,N-dimethylformamide dimethyl acetal in the manner described in Examples 20-22 and are listed in Table VIII.