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About: Porphyrazine     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Statement106722453, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatMolecularFormulasyago:Abstraction100002137yago:Communication100033020yago:Formula106816935yago:Message106598915yago:MolecularFormula106817173chemical compoundyago:Statement106722453 New Facet based on Instances of this Class

Porphyrazines, or tetraazaporphyrins, are tetrapyrrole macrocycles similar to porphyrins and phthalocyanines. Pioneered by Sir R. Patrick Linstead as an extension of his work on phthalocyanines, porphyrazines differ from porphyrins in that they contain -meso nitrogen atoms, rather than carbon atoms, and differ from phthalocyanines in that their β-pyrrole positions are open for substitution. These differences confer physical properties that are distinct from both porphyrins and phthalocyanines.