Synthesis of novel porphyrin and chlorin phosphonic acids and their immobilization on metal oxides

Autor:	Martin Erbacher, Franz-Peter Montforts
Rok vydání:	2011
Předmět:	Inorganic chemistry Self-assembled monolayer General Chemistry Chloride Porphyrin Metal chemistry.chemical_compound chemistry visual_art Amide Chlorin Polymer chemistry polycyclic compounds visual_art.visual_art_medium medicine Mesoporous material medicine.drug Hemin
Zdroj:	Journal of Porphyrins and Phthalocyanines. 15:1070-1077
ISSN:	1099-1409 1088-4246
DOI:	10.1142/s108842461100404x
Popis:	In this study an easy and flexible access to porphyrin and chlorin phosphonic acids is presented. Novel types of phosphonic acid terminated porphyrins and chlorins were synthesized starting from commercially available red blood pigment hemin chloride. Phosphonic acid groups were linked to the porphyrinoids by amide coupling via appropriate spacer moieties. Self-assembled monolayers of the synthesized phosphonates on mesoporous TiO2 electrodes of approximately 3 μm thickness were formed. Surface concentrations in a range of 1 to 4 × 10-8 mol.cm-2 could be determined by UV-vis spectroscopy.
Databáze:	OpenAIRE
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