Reference of 774549-55-2, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 774549-55-2 as follows.
EXAMPLES 32-34 Other N-((dimethylamino)methylene)pyrazolo (1,5-a)-pyrimidine-3-carboxamide and N-((dimethylamino) methylene)-4,5-dihydropyrazolo(1,5-a)pyrimidine-3-carboxamide products which are prepared from 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 are listed in Table IX.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,774549-55-2, its application will become more common.
Reference:
Patent; American Cyanamid Company; US5059691; (1991); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia