meso-Tetra(4-carboxyphenyl)porphine

Nickel ionophore II is a selective sensor for Ni(II) ions.

meso-Tetra(4-carboxyphenyl)porphine can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly used in laboratory research and development processes and chemical production processes.

4,4′,4′′, 4′′′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid) (H2TCPP) can be used to fabricate three dimensional Ru polymer complex. It can be grafted on SiO₂/Nb₂O₅ substrate and subsequently metallized to investigate catalytic oxidation of hydrazine.

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General procedures for the synthesis of porphyrins 1-5A mixture of the appropriate aromatic aldehyde (0.72 mmol) andpyrrole (0.72 mmol) in DMF (15 mL) was placed into a 50 mL threeneckedflask. The mixture was flushed with nitrogen gas for a coupleof minutes and then heated to 100 C for 10 min. P-toluene sulphonicacid (0.72 mmol, dissolved in DMF) was then added to the reactionmixture. The colorless mixture turned red over the next couple of minutesthen heated at 150 C for 1 h. The reaction mixture was thencooled and poured over ice with stirring for 15 min the residue wascollected, dried under vacuum and purified by column chromatographyusing chloroform/hexane (1.5/1) as eluent).