Optical and luminescence investigations of hydroxy substituted porphyrins in borate glasses was written by Venkatramaiah, N.;Venkatesan, R.. And the article was included in Solid State Sciences in 2011.Application In Synthesis of 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol The following contents are mentioned in the article:
Hybrid borate glasses containing various hydroxy Ph derivatives of porphyrin were prepared by melt quenching technique. The effect of hydroxy functional groups on the photophys. properties was investigated by means of optical absorption, steady-state fluorescence and time resolved fluorescence spectroscopy. The optical absorption spectra show red shift in Soret and Q-band with increase in the number of -OH groups on the Ph ring of the porphyrin. The steady-state emission spectrum shows strong S2 ¡ú S0 emission around 498-540 nm and red shifted S1 ¡ú S0 emission around 669-803 nm. Time resolved fluorescence shows three exponential decay with ¦Ó 1 = 11 ¡À 2 ps (64.56%), ¦Ó2 = 0.16 ¡À 0.1 ns (24.54%), and ¦Ó3 = 2.94 ¡À 0.1 ns (10.9%) for 2 mg of H2OHP doped glass. The appearance of strong S2 ¡ú S0 emission indicates that the structure of porphyrin inherently modified in the glass matrix. The boron ions of the borate network interact at the central core of the porphyrin and also form oxy bridge at the periphery. The effect of porphyrin concentration on photophys. properties and the possible structures of porphyrin in the borate glass matrix were investigated. 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. Replacing precious metals with cheaper and more environmentally friendly metals is regarded as a highly desirable goal in the field of catalysis.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