The Facile Synthesis and Characterization of Novel Cationic Metallated and Nonmetallated Tetrapyridino Porphyrazines Having Different Metal Centers

Abstract
A porphyrazine and a series of tetracationic porphyrazines, metallated and nonmetallated, were synthesized. The neutral tetrapyridino porphyrazine was obtained in a yield of 45%. The tetracationic ...