Patent ID: 6583168
Filing Date: 2003-06-24
Classification: C07D,C07H,C09B

Abstract:
Sulfonated diarylrhodamine compounds having the structures: wherein R2, R2â€², R12 and R12â€² is hydrogen, C1-C12 alkyl, C1-C12 alkyldiyl, phenyl, substituted phenyl, benzyl, substituted benzyl, biphenyl, substituted biphenyl, naphthyl, substituted naphthyl, heterocycle, substituted heterocycle, water-solubilizing group or linking moiety; and R1, R3, R4, R5, R6, R8, R9, R10, R11, R13, R14, R15, R16, R17, R18, R19, R20, and R21 is hydrogen, fluorine, chlorine, C1-C8 alkyl, carboxylate, sulfate, sulfonate, alkylsulfonate, aminomethyl (â€”CH2NH2), aminoalkyl, 4-dialkylaminopyridinium, hydroxymethyl (â€”CH2OH), methoxy (â€”OCH3), hydroxyalkyl (â€”ROH), thiomethyl (â€”CH2SH), thioalkyl (â€”RSH), alkylsulfone (â€”SO2R), arylthio (â€”SAr), arylsulfone (â€”SO2Ar), sulfonamide (â€”SO2NR2), alkylsulfoxide (â€”SOR), arylsulfoxide (â€”SOAr), amino (â€”NH2), ammonium (â€”NH3+), anildo (â€”CONR2), nitrile (â€”CN), C1-C8 alkoxy (â€”OR), phenoxy, phenolic, tolyl, phenyl, aryl, benzyl, heterocycle, phosphonate, phosphate, quaternary amine, sulfate, polyethyleneoxy, water-solubilizing group, or linking moiety; with the proviso that at least one of R1, R3, R4, R5, R6, R8, R9, R10, R11, R13, R14, R15, R16, R17, R18, R19, R20, and R21 is sulfonate.