Synthesis and Reactions of Aminoporphyrazines with Annulated Five- and Seven-Membered Rings
摘要:
The novel five- and seven-membered ring appended aminoporphyrazines 3 and 12 have been prepared via mixed Linstead macrocyclization. The structures of both have been unequivocally established by X-ray crystallographic studies. Reductive deselenation of selenadiazole 3 in the presence of 9,10-phenanthrenequinone or 2,3-butanedione results in the formation of pyrazines 6a,b, whereas oxidation of porphyrazine 12 gave the corresponding seco derivative 14. seco-Porphyrazine 14 mediates the generation of singlet oxygen with a quantum yield of 0.74.
Porphyrazines as Molecular Scaffolds: Periphery–Core Spin Coupling between Metal Ions of a Schiff Base Porphyrazine
作者:Min Zhao、Charlotte Stern、Anthony G. M. Barrett、Brian M. Hoffman
DOI:10.1002/anie.200390140
日期:2003.1.27
Synthesis and Reactions of Aminoporphyrazines with Annulated Five- and Seven-Membered Rings
作者:Sven M. Baum、Andrés A. Trabanco、Antonio Garrido Montalban、Aaron S. Micallef、Chang Zhong、Hubert G. Meunier、Klaus Suhling、David Phillips、Andrew J. P. White、David J. Williams、Anthony G. M. Barrett、Brian M. Hoffman
DOI:10.1021/jo026484u
日期:2003.3.1
The novel five- and seven-membered ring appended aminoporphyrazines 3 and 12 have been prepared via mixed Linstead macrocyclization. The structures of both have been unequivocally established by X-ray crystallographic studies. Reductive deselenation of selenadiazole 3 in the presence of 9,10-phenanthrenequinone or 2,3-butanedione results in the formation of pyrazines 6a,b, whereas oxidation of porphyrazine 12 gave the corresponding seco derivative 14. seco-Porphyrazine 14 mediates the generation of singlet oxygen with a quantum yield of 0.74.
Synthesis and Properties of Dimetallic M<sup>1</sup>[Pz]−M<sup>2</sup>[Schiff Base] Complexes
作者:Min Zhao、Chang Zhong、Charlotte Stern、Anthony G. M. Barrett、Brian M. Hoffman
DOI:10.1021/ic035402x
日期:2004.5.1
We report the synthesis and physical characterization of a series of peripherally functionalized porphyrazines (pz's) 1[M(1); M(2); R], where M(1) is a metalion incorporated into the pz core, M(2) is a metalion bound to a bis(5-tert-butyl-salicylidenimine) chelate built onto two amino nitrogen attached to the pz periphery, and R is a solubilizing group (either n-propyl (Pr) or 3,4,5-trimethoxyphenyl