Patent ID: 6013775
Filing Date: 2000-01-11
Classification: C07C,C09B

Abstract:
A polyazo dye of the formula I where one of the two radicals X.sup.1 and X.sup.2 is hydroxyl and the other is amino,p is 0 or 1,q is 0 or 1,D.sup.1 and D.sup.2 are each independently of the other a radical of the formula ##STR68## B is a bridge member of the formula --SO.sub.2 --NH--A.sup.1 --NH--SO.sub.2 --, --SO.sub.2 --N(Alk)--A.sup.1 --NH--SO.sub.2 --,--SO.sub.2 --N(Alk)--A.sup.1 --N(Alk)--SO.sub.2 --, --SO.sub.2 --N(Alk)--A.sup.1 --O--SO.sub.2 --,--SO.sub.2 --O--A.sup.1 --O--SO.sub.2 --, --SO.sub.2 --N(Alk)--, --SO.sub.2 --N(Alk)--SO.sub.2 --, --SO.sub.2 --NH--A.sup.2 --NH--SO.sub.2 -- or SO.sub.3 --,whereA.sup.1 is phenylene with or without substitution by hydroxysulfonyl,A.sup.2 is C.sub.1 -C.sub.8 -alkylene, andR.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, cyano, nitro, hydroxysulfonyl, pyrrolidinylsulfonyl, piperidinylsulfonyl, morpholinylsulfonyl or a radical of the formula CO--Ar, CO--OAr, CO--Alk, CO--OAlk, CO--N(Ar)Alk, CO--N(Alk).sub.2, SO.sub.2 --Ar, SO.sub.2 --Alk, SO.sub.2 --CH.sub.2 CH.dbd.CH.sub.2, SO.sub.2 --CH.dbd.CH.sub.2, SO.sub.2 --C.sub.2 H.sub.4 --Q, SO.sub.2 --OAr, SO.sub.2 --N(Alk).sub.2, SO.sub.2 --NHAlk, SO.sub.2 --N(Ar)Alk, SO.sub.2 --NHAr, ##STR69## Alk is C.sub.1 -C.sub.8 -alkyl with or without interruption by from 1 to 3 oxygen atoms in ether function or by 1 sulfur atom or one sulfonyl group and with or without hydroxyl, C.sub.1 -C.sub.4 -alkanoyloxy, benzoyloxy, sulfato, halogen, cyano, carbamoyl, carboxyl, hydroxysulfonyl, phenyl or hydroxysulfonylphenyl substitution, or C.sub.5 -C.sub.8 -cycloalkyl,Ar is phenyl or naphthyl, these radicals each being with or without substitution by C.sub.1 -C.sub.4 -alkyl, halogen, C.sub.1 -C.sub.4 -alkoxy, phenoxy, hydroxyl, carboxyl, C.sub.1 -C.sub.4 -alkanoylamino whose alkyl chain is with or without interruption by one oxygen atom in ether function, benzoylamino, hydroxysulfonyl, pyrrolidinylsulfonyl, piperidinylsulfonyl, morpholinylsulfonyl or a radical of the formula SO.sub.2 --Alk, SO.sub.2 --CH.sub.2 CH.dbd.CH.sub.2, SO.sub.2 --CH.dbd.CH.sub.2, SO.sub.2 --C.sub.2 H.sub.4 --Q, SO.sub.2 --NHAlk, SO.sub.2 --N(Alk).sub.2, SO.sub.2 --G, SO.sub.2 --OG, SO.sub.2 --NHG or SO.sub.2 --N(Alk)G,R.sup.2 is hydrogen, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or a radical of the formula CO--Ar, CO--OAlk, CO--OAr, SO.sub.2 --Ar, SO.sub.2 --Alk, SO.sub.2 --OAr, ##STR70## Q is hydroxyl or an alkali-detachable group, and G is phenyl with or without C.sub.1 -C.sub.4 -alkyl, carboxyl, hydroxysulfonyl or C.sub.1 -C.sub.4 -alkanoylamino substitution, or naphthyl with or without hydroxysulfonyl substitution.