Phthalocyanine-porphyrin hetero-arrays

Axial coordination of metallo-phthalocyanines has been relatively little studied compared with that of the porphyrin analogs. Nevertheless, this approach has been employed to construct various phthalocyanine-based hetero-arrays as described below. 

Hetero-arrays of porphyrins and phthalocyanines 07CCR2334. Metalloporphyrin hosts for supramolecular chemistry of fullerenes ... 

Three publications deal with the synthesis of p-oxo-linked silicon phthalocyanine and porphyrin derivatives. The stepwise syntheses of p-oxo-linked hetero-chromophore arrays containing phthalocyanine, porphyrin, and sub phthalocyanine silicon and germanium complexes have been described [306, 307]. The p-oxo... 

Ng et al. first reported the axial ligation of zinc(II) l,8,15,22-tetrakis(3-pentyloxy) phthalocyanine (1) with meso-pyridyl porphyrins 2 and 3 in chloroform, which form the corresponding edge-to-face dyad and pentad, respectively [25], As shown by UV-Vis spectroscopy, the ground-state tt-tt interactions between the perpendicularly disposed macrocycles in these arrays are insignificant. Upon mixing of phthalocyanine 1, zinc(II) meso-tetra(/Molyl)porphyrin, and 4,4/-bipyridine in chloroform, the formation of a face-to-face hetero-dyad was also inferred by fluorescence quenching experiments. 

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