Synthesis of cobalt tetra-2,3-pyridiniumporphyrazinato with sulfonic acid tags as an efficient catalyst and its application for the synthesis of bicyclic -aminocarbonitriles, cyclohexa-1,3-dienamines and 2-amino-3-cyanopyridines

Cobalt tetra-2,3-pyridiniumporphyrazinato with sulfonic acid tag [Co(TPPASO 3 H)]Cl was produced and catalyzed the synthesis of ortho -aminocarbonitriles, cyclohexa-1,3-dienamines and 2-amino-3-cyanopyridines. The synthesis of 2-amino-3-cyanopyridines by using [Co(TPPASO 3 H)]Cl proceeded via a cooperative vinylogous anomeric based oxidation mechanism. [Co(TPPASO 3 H)]Cl can be recycled and reused six times with a marginal decreasing of its catalytic activity. ortho -Aminocarbonitriles, cyclohexa-1,3-dienamines and 2-amino-3-cyanopyridines were synthesized by [Co(TPPASO 3 H)]Cl as an efficient pyridiniumporphyrazinato based catalyst.