Patent ID: 6107480
Filing Date: 2000-08-22
Classification: A01N,C02F,C07D,Y02W

Abstract:
Metallated or unmetallated porphyrin derivatives of formula I ##STR3## wherein R.sub.1, R.sub.2 and R.sub.3 represent hydrogen, alkyl, aryl, aralkyl or alkaryl, alkyl-, aryl-, aralkyl- or alkarylsulfonate, or pyridine-N-alkyl, -aryl, -alkaryl or -aralkyl each having from 1 to 8 carbon atoms, with the proviso that at least one of R.sub.1, R.sub.2 or R.sub.3 is not hydrogen, alkyl, aryl, aralkyl or alkaryl;one of R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 is a hydroxy group, or a polymer residue derived from polyesters, polymethyl methacrylates, polymethacrylic acids, polyacrylic acids and their esters, polymethacrylamides, polyacetals, polyimides, polyamides, copolymers thereof, or their respective monomer units, whereas the others are hydrogen, with the proviso that if one of R.sub.4, R.sub.5, R.sub.6, R.sub.7 or R.sub.8 is a hydroxy group, at least one of R.sub.1, R.sub.2 or R.sub.3 is hydrogen alkyl, aryl, aralkyl, or alkaryl, alkyl-, aryl-, aralkyl- or alkarylsulfonate; andMe represents a metal cation or saturation with hydrogen atoms.