6-Polyfluoroalkylated 2-thiouracils in the synthesis of pyrimido[2,1-b][1,3,5]thiadiazines by the double Mannich reaction
Keywords: The double Mannich reaction; 6-Polyfluoroalkyl-2-thiouracil; Formaldehyde; Aliphatic and aromatic amines; Ethylenediamine; Pyrimido[2,1-b][1,3,5]thiadiazines; Tuberculostatic activity;