New Molecular Arrays Based on a Tin(IV) Porphyrin Scaffold was written by Kumar, A. Ashok;Giribabu, L.;Reddy, D. Raghunath;Maiya, Bhaskar G.. And the article was included in Inorganic Chemistry in 2001.Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol The following contents are mentioned in the article:
Two new porphyrin arrays, a hexamer and a nonamer, were synthesized and characterized by elemental anal. as well as mass, 1H NMR, and UV-visible spectroscopic methods. The scheme of construction of these arrays employs a synthetic protocol involving sequential organic and inorganic reactions conducted, resp., at the peripheral meso-Ph ring and the central tin(IV) ion of the porphyrin scaffold. The architecture of the hexamer is such that it is based on a covalently linked tin(IV) porphyrin dimer, with each of the two tin(IV) centers trans-axially ligated to two free-base porphyrins, while the higher homolog features a tin(IV) porphyrin trimer as the basal unit, with its central metalloid ions having two free-base porphyrins as axial ligands. This extended, axial-bonding-type architecture of the new arrays was studied by the 1H NMR method, which reveals characteristic ring-current-induced shifts and coupling patterns for the resonances due to protons of the axial free-base porphyrin subunits. The presence of any ring-ring (basal-basal, basal-axial, or axial-axial) interaction in these arrays is not obvious from their UV-visible and redox potential data, which are close to those of the corresponding constituent monomeric species. However, their singlet-state activities are quite different from those of the precursor reference compounds as probed by steady-state fluorescence. The results of the detailed studies carried out on these hybrid, bichromophoric arrays were interpreted in terms of the occurrence of intra-array, inter-chromophore energy- and electron-transfer reactions. This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol).
4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligands are classified based on the number of lone pair electrons available for the central metal atom, size and charge like anionic, cationic, neutral, monodentate, bidentate, polydentate ligands. The ability of ligands to engender a variety of useful properties of organometallic complexes is the major enabling force for the discovery of new catalytic reactions, activation of small molecules, dramatically enhanced reactivity.Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol
Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI