Patent ID: 6399751
Filing Date: 2002-06-04
Classification: C09B

Abstract:
A dye comprisingat least one chromophore D; at least a first, halobenzene, reactive group Z1, of the formula (I) wherein: n is 1 or 2;X, or each X independently is an electronic withdrawing group; and Y is a halogen atom; at least a second reactive group Z2 selected from the group consisting of: a group of the formula (IV) â€”SO2CH2CH2X1â€ƒâ€ƒ(IV) wherein X1 is an eliminatable group; anda group of the formula (V) â€”SO2(CH2)zCH&boxH;CH2â€ƒâ€ƒ(V) wherein z is zero or 1;at least a first linking group L3, linking said first, halobenzene, reactive group Z1 to one of components (i) a chromophore D and (ii) the second reactive group Z2, which said first linking group L3 presents an amino nitrogen to the reactive group Z1 and to the component (i) or, when component (i) contains a heterocyclic nitrogen atom, is linked directly to the nitrogen atom and which said first linking group L1 optionally includes a hydrocarbon bridging group, which hydrocarbon bridging group B has at least two carbon atoms, is optionally substituted, optionally includes at least one hetero atom and is optionally a chromophore; and optionally at least one aromatic group Ar which may carry the said reactive group Z2; which dye is selected from the group consisting of dyes of the formulae (VIII), (XXX), (XXXI), (XXXII), (XXXVI) and (XXXVII), wherein: formula (VIII) is:Z1â€”L11â€”Dâ€”Z2â€ƒâ€ƒ(VIII) wherein:D is a chromophore; L11 is a group of L1, which is an amine or piperazine linkage of the formula â€”N(R)â€”â€ƒâ€ƒ(VII)1; wherein: R, or each R independently, is hydrogen or optionally substituted C1-4alkyl;B is a hydrocarbon bridging group which has at least two carbon atoms, is optionally substituted, optionally includes at least one hetero atom and is optionally a chromophore; b is from 2 to 6 inclusive; and each of Z1 and Z2 is as defined above; formula (XXX) is: Z1â€”L1â€”D[L3]qâ€”[Z3â€”L4]r[J1]sZ2â€ƒâ€ƒ(XXX) wherein: Z3 is a third reactive group selected from the groups of the formulae (I)-(III),wherein: formula (I) is given and defined above;formula (II) is wherein:m is 1 or 2; p is 0 or 1; when m is 1, p is 1; and when m is 2, p is 0; Y1, or each Y1 independently, is a halogen atom or an optionally substituted pyridinium group; and T is C1-4 alkoxy, thioalkoxy or N(R1)(R2) in which R1 is hydrogen, optionally substituted C1-4 alkyl or optionally substituted aryl; and formula (III) is wherein:X is 1, 2 or 3; y is zero, 1 or 2; and x+y&lE;3; Y2, or each Y2 independently, is a halogen atom or an optionally substituted pyridinium group; and U, or each U independently, is C1-4 alkyl or C1-4 alkylsulphonyl; J1 is an optionally substituted aryl group or a chromophore; L3 is a linking group linking one of Z3 and J1 to D; L4 is a linking group linking Z3 and J1; each of q, r and s independently, is zero or 1; and each of Z1, Z2 and L2 is as defined above; formula (XXXI) is: Z1â€”L1â€”D1[L3â€”Z3(L4â€”Z4)1L5â€”D2]kZ2â€ƒâ€ƒ(XXXI) wherein: D1 is a first chromophore;D2 is a second chromophore; Z3, when present, is a third reactive group selected from the groups of the formulae (I)-(III), given and defined above; Z4, when present, is a fourth reactive group selected from the groups of the formulae (I)-(III), given and defined above; L3 3 is a linking group linking Z3 to D1; L4 is a linking group linking Z3 to Z4; L5 is a linking group linking D2 to one of Z3 and Z4; each of k and l, independently, is zero or 1; and each of Z1, Z2 and L1 is as defined above; formula (XXXII) is: Z1â€”L1â€”Z3â€”L3â€”Dâ€”Z2â€ƒâ€ƒ(XXXII) wherein: Z3 is a third reactive group selected from the groups (I)-(III), given and defined above andL3 is a third linking group selected from the groups (VII)1, (VII)2 and (VII)3, given and defined above; Z2 is a second reactive group selected from the groups (IV)-(V), given and defined above; and each of Z1 and L1 is as defined above; formula (XXXVI) is: wherein: one of Z3 and Z4 is a reactive group Z2 selected from the formulae (IV) and (V) given and defined above;the other of Z3 and Z4, independently, is a reactive group selected from the formulae (IV) and (V), given and defined above, and formula given and defined below; each of t and u, independently, is zero or 1 and at least one of t and u is 1; when Z3 is a reactive group Z2, t is 1 and when Z4 is a reactive group Z2, u is 1; D is a chromophore; Ar is an optionally substituted aryl group; L1 is a group of the formula (XLI) wherein B and each R, independently, is as defined above;Z1 is a group of the formula (I), given and defined above; and wherein: formula (VI) is â€”Wâ€”C(R10)&boxH;CH2(VI) wherein: R10 is hydrogen, C1-4alkyl or halogen; andW is â€”OC(&boxH;O)â€” or â€”N(R11)C(&boxH;O)â€” in which R11 is hydrogen or C1-4alkyl; and formula (XXXVII) is: Z1â€”L1â€”DNâ€”Z2â€ƒâ€ƒ(XXXVII) wherein: DN is a chromophore containing a heterocyclic group including a nitrogen atom;L1 is a group of the formula (VII)4 or (VII)5, wherein B is a hydrocarbon bridging group which has at least two carbon atoms, is optionally substituted, optionally includes at least one hetero group and is optionally a chromophore, R is hydrogen or C1-4 alkyl and b is from 2 to 6 inclusive;which group of the formula (VII)4 or (VII)5 is directly attached via the bond {circle around (1)}, to the nitrogen atom of the said chromophore DN; and each of Z1 and Z2 is as defined above.