Patent ID: 6011141
Filing Date: 2000-01-04
Classification: C09B

Abstract:
A polyazo dye of the formula I ##STR105## where n is 0 or 1,Y.sup.1 is hydrogen, hydroxysulfonyl, pyrrolidinylsulfonyl, pi-peridinylsulfonyl, morpholinylsulfonyl or SO.sub.2 --Alk, SO.sub.2 --Ar, SO.sub.2 --N(Alk).sub.2, SO.sub.2 --N(Alk)Ar, SO.sub.2 --OAr, SO.sub.2 --C.sub.2 H.sub.4 --Q, SO.sub.2 --CH.dbd.CH.sub.2, SO.sub.2 --CH.sub.2 CH.dbd.CH.sub.2, CO--Ar, ##STR106## Y.sup.2 is nitro, SO.sub.2 --NHAr or Y.sup.1, Y.sup.3 is hydrogen, hydroxysulfonyl, pyrrolidinylsulfonyl, piperidinylsulfonyl, morpholinylsulfonyl or a radical of the formula SO.sub.2 --Alk, SO.sub.2 --N(Alk).sub.2, SO.sub.2 --NHAlk, SO.sub.2 --CH.sub.2 COOH, SO.sub.2 --C.sub.2 H.sub.4 --Q, SO.sub.2 --CH.dbd.CH.sub.2, SO.sub.2 --CH.sub.2 CH.dbd.CH.sub.2, CO--Ar or C--NHAlk or Y.sup.3 and Y.sup.2 together are L--NZ--CO,Y.sup.4 is hydrogen, or Y.sup.4 and Y.sup.3 together are L--NZ--CO,X is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or hydroxysulfonyl,R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl, or R.sup.2 and R.sup.1 together are L--NZ--CO,R.sup.3 is hydrogen, hydroxyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkanoyloxy or benzoyloxy, andR.sup.4 is hydrogen, amino or hydroxyl, whereAlk is C.sub.1 -C.sub.8 -alkyl which may be interrupted by 1-3 oxygens in ether function or by sulfur or sulfonyl and may be substituted by hydroxyl, C.sub.1 -C.sub.4 -alkanoyloxy, benzoyloxy, sulfato, halogen, cyano, carboxyl or phenyl,Ar is phenyl which may be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, carboxyl, C.sub.1 -C.sub.4 -alkanoylamino or hydroxysulfonyl,L is methylene or carbonyl,Z is hydrogen, naphthyl, C.sub.5 -C.sub.8 -cycloalkyl, Alk or Ar, andQ is hydroxyl or a group which may be eliminated under alkaline conditions.