| abstract |
Water-soluble fluorochrome of the general formula I, wherein a) Z is a compound of the general formula II with n = 0, 1, 2 or 3 or a compound of the general formula III or a compound of the general formula IV and V with m = 1, 2, 3 or 4 and b) at least one of the radicals R 5 to R 8 is selected from the group of Carboxylic acids, activated esters, acyl azides, acyl halides, acyl nitriles, aldehydes, anhydrides, aryl amides, alkyl halides, anilines, alkyl sulfonates, aryl halides, thiols, azides, aziridines, borates, carbodiimides, diazoalkanes, epoxides, glycerols, halotriazine amines, haloacyl amines , Isocyanates, isothiocyanates, maleimides, phosphoramidites, silyl halogens, sulfonic acid esters and sulfonic acid chlorides and c) at least one spirocenter (3, 3 ') is present, the radicals R 1 with R 2 and / or R 3 with R 4 forming alicycles and / or heterocycles and / or at least one of the radicals R 1 to R 4 being a straight-chain, is branched and / or a heteroatom-containing hydrocarbon radical (C 1 -C 24 ), d) X - one on ... |