Batori, Sandor published the artcileSynthetic procedure to pyrido[2,1-f][1,2,4]triazinium salt and related compounds, HPLC of Formula: 100-70-9, the main research area is pyridotriazinium perchlorate preparation; amination cyclocondensation reaction pyridinyl ketone amine.
Pyrido[2,1-f][1,2,4]triazinium perchlorates such as I (R = H, Me, Ph, t-Bu, Cl, 4-morpholinyl, Et2N; R1 = Ph, 4-ClC6H4) were prepared using N-aminations of pyridines and cyclocondensation reactions as key steps. I (R = H; R1 = Ph) formed a hydroxydihydropyridotriazinium perchlorate in the presence of water. 3,4-Dihydropyrido[2,1-f][1,2,4]triazinium perchlorates and a pyrimidotriazinium perchlorate were also prepared using similar methods.
Tetrahedron published new progress about Amination. 100-70-9 belongs to class nitriles-buliding-blocks, name is Picolinonitrile, and the molecular formula is C6H4N2, HPLC of Formula: 100-70-9.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts