| 主权项 |
1. A compound of the formula I where E denotes NR4 or O,
Sp denotes a bond, alk, —C(O)— or —(CO)-alk,D denotes a colour chromophore,R1, R2 or R3 each, independently of one another, denote —H, -A, —OA-, —(CH2)p—OH, —C(O)OA, COOH or COOX,p denotes an integer from 1 to 4,X is the counterion to the [COO−] group,R4 denotes A,alk denotes a linear or branched or cyclic alkylene group having 1 to 18 C atoms and A denotes a linear or branched alkyl group having 1 to 20 C atoms and/or salts, tautomers, stereoisomers and/or solvates thereof, including mixtures thereof in all ratios, wherein substituent D is a substituent of the formula II, III, IV, V, VI, VII, VIII, IX, X, XI or XII, where Ra, Rj and R′j each, independently of one another, denote A, Rb denotes H or A, Rg and R′g each, independently of one another, denote H, Hal, NA2, CN, COOH, OH, CF3, OA, OC(O)A, C(O)OA, NHC(O)A, NHSO2A, SO2NA2, Rs denotes H, A, NA2, OA or SO3Y, Ri and R′i each, independently of one another, denote H or A, Rc and Rd each, independently of one another, denote H or A, where A may be substituted by at least one OH group, Re denotes an alkyl group having 1 to 6 C atoms which is substituted by at least one group NA2 or NA3Y, Y is an anion of an organic or inorganic acid or a cation, A denotes a linear or branched alkyl group having 1 to 20 C atoms, Hal denotes F, Cl, Br or I and m denotes 0, 1, 2, 3, 4 or 5. |
