New meso-substituted trans-A 2 B 2 di (4-pyridyl) porphyrins as building blocks for metal-mediated self-assembling of 4+ 4 Re (i)–porphyrin metallacycles
M Boccalon, E Iengo, P Tecilla
Index: Boccalon, Mariangela; Iengo, Elisabetta; Tecilla, Paolo Organic and Biomolecular Chemistry, 2013 , vol. 11, # 24 p. 4056 - 4067
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Citation Number: 14
Abstract
The reaction between 5-(4-pyridyl)dipyrrylmethane and aromatic aldehydes affords meso-arylsubstituted trans-A 2 B 2 di(4-pyridyl)porphyrins which are key building blocks in the metal-mediated self-assembling of supramolecular structures. A careful optimization of the reaction conditions allowed us to obtain 5,15-diphenyl-10,20-di(4-pyridyl)porphyrin (P1), and two analogues bearing on the meso-phenyl substituents two dipropyl- (P4) or dihexyl-alkyl chains (P5), with ...
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