Disperse dyes, their preparation and their use

A dye of the formula (I)

• where
• D is the radical of a diazo component represents a group of the formula (IIa)
• where
• T1 and T2 independently are hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, —SO2(C1-C6)-alkyl, —SO2aryl, cyano, halogen or nitro;
• and
• T4 and T3 independently are hydrogen, halogen, trifluoromethyl, cyano, —SCN, —SO2CH3 or nitro;
• although at least one of T1, T2, T3 and T4 is not hydrogen;
• or represents a group of the formula (IIb)
• where
• T5 and T5′ independently are hydrogen or halogen;
• and
• T6 is hydrogen, —SO2CH3, —SCN, (C1-C4)-alkoxy, halogen or nitro;
• although at least one of T5, T5′ and T6 is not hydrogen;
• or represents a group of the formula (IIc)
• where
• T12 is hydrogen or halogen;
• or represents a group of the formula (IId)
• where
• T7 is nitro, —CHO, cyano, —COCH3 or a group of the formula
• where T10 is hydrogen, halogen, nitro or cyano;
• T8 is hydrogen, (C1-C6)-alkyl or halogen;
• and
• T9 is nitro, cyano, —COCH3 or —COOT11;
• where T11 is (C1-C4)-alkyl;
• or represents a group of the formula (IIe)
• where T7 and T8 are each as defined above;
• or represents a group of the formula (IIf)
• where T13 is phenyl or S-(C1-C4)-alkyl;
• R1 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl, —NHCOaryl, —NHSO2(C1-C6)-alkyl or —NHSO2aryl;
• R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, phenoxy or halogen;
• R3 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl;
• or R2 and R3 combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked by * is attached to the phenyl nucleus;
• R4 is hydrogen, (C1-C6)-alkyl or phenyl;
• R5 is (C1-C6)-alkyl or substituted (C1-C6)-alkyl;
• R6 is hydrogen or (C1-C6)-alkyl;
• R7 is hydrogen, (C1-C6)-alkyl or phenyl;
• and
• n 0, 1, 2 or 3;
• although the compounds of the formulae
• shall be excluded.