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Triazoleporphyrazines: A New Class of Intrinsically Unsymmetrical Azaporphyrins

✍ Scribed by Mikhail K. Islyaikin; M. Salomé Rodríguez-Morgade; Tomás Torres

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
104 KB
Volume
2002
Category
Article
ISSN
1434-193X

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✦ Synopsis

Triazoleporphyrazine 5 has been prepared by means of a ''3+1'' crossover condensation of the pyrroline derivative 6 with 3,5-diamino-1,2,4-triazole. Metallation of 5 under standard conditions afforded the metallotriazoleporphyrazines 7.

In contrast with the porphyrinic nature observed for its triazoleporphyrin counterpart 3, the free base triazoleporphyrazine 5 possessed a cross-conjugated, hemiporphyrazine-like

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