Abstract:
A process for preparing the sulphone of the formula ##STR1## consists in reductive cleavage of disazo/disazoxy dyestuffs of the formula ##STR2## in which B is a direct bond or a bridging member andv, w, x, y, independently of one another, are 0 or 1,x+y being 0 or 1 and v+w being 0 or 1.
Abstract:
Dyestuff of the formula ##STR1## wherein FB=the radical of a dyestuffB/B'=a bridge memberX=CH.dbd.CH.sub.2 or CH.sub.2 CH.sub.2 --YY=a radical which can be eliminated under alkaline conditions andR, R.sup.1 and R.sup.2 =H or C.sub.1 -C.sub.4 -alkyl, which is unsubstituted or substituted by halogen, hydroxyl, cyano, C.sub.1 -C.sub.4 -alkoxy, carboxyl, sulpho or sulphato and whereinR.sup.1 -R.sup.2 can also represent a C.sub.1 -C.sub.4 -alkylene unit,Hal=F, Cl or Br,A=a direct bond or an aliphatic, cycloaliphatic or mixed aromatic-aliphatic bridge member, which can optionally contain hereto atoms, selected from N, O, S or SO.sub.2, and wherein the radical --NR.sup.1 --A--NR.sup.2 -- can also be ##STR2## and Z=a reactive group produce, on naturally occurring and synthetic materials containing OH groups and amide group, dyeings and prints with good general fastness properties, in particular good wet-fastness properties, coupled with a good build-up capacity and a high fixing yield.
Abstract:
Reactive dyestuffs of the formula ##STR1## in which ##STR2## and Z=a heterocyclic reactive group and the remaining groups have the meaning indicated in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups or amide groups.
Abstract:
Reactive dyestuffs of the formula ##STR1## and the meanings of substituents given in the description produce on hydroxyl- and amido-containing fibre materials orange dyeings which are fast to boiling.
Abstract:
Dyestuffs of the formula ##STR1## give, on hydroxyl- and amido-containing materials, dyeings having a high fibre-dyestuff bond stability, a high stability to oxidizing agents and good wet fastness properties. The substituents are defined as follows:m=0 or 1n=0 or 1 where m+n+n=1 or 2,X denotes vinyl or CH.sub.2 CH.sub.2 --Y, Y represents OSO.sub.3 H, SSO.sub.3 H, OCOCH.sub.3, OPO.sub.3 H.sub.2, OSO.sub.2 CH.sub.3, SCN, NHSO.sub.2 CH.sub.3, Cl, Br, F, OCOC.sub.6 H.sub.5, OSO.sub.2 C.sub.6 H.sub.4 CH.sub.3 AND N(CH.sub.3).sub.3.sup.+ Cl.sup.-.R=H or C.sub.1 -C.sub.4 -alkyl which is unsubstituted or substituted by OH, halogen, SO.sub.3 H,W=radical of the formula ##STR2## in which ##STR3## in which R.sub.1 =H or denotes C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by OH, OSo.sub.3 H, SO.sub.3 H or COOH.
Abstract translation:式(1)的染料在含羟基和酰氨基的材料上得到具有高纤维染料键稳定性,对氧化剂的高稳定性和良好的耐湿牢度性能的染色。 取代基定义如下:m = 0或1 n = 0或1其中m + n + n = 1或2,X表示乙烯基或CH 2 CH 2 -Y,Y表示OSO 3 H,SSO 3 H,OCOCH 3,OPO 3 H 2,OSO 2 CH 3, NHSO 2 CH 3,Cl,Br,F,OCOC 6 H 5,OSO 2 C 6 H 4 CH 3和N(CH 3)3 + Cl - 。 R = H或未被取代或被OH,卤素,SO 3 H取代的C 1 -C 4 - 烷基,其中R 1 = H或者其中R 1 = H或 表示未被取代或被OH,OSO 3 H,SO 3 H或COOH取代的C 1 -C 6烷基。
Abstract:
Reactive dyestuffs of the formula ##STR1## in which A=H, halogen, alkyl, alkoxy, acylamino or amino,B=H, alkyl or alkoxy,X=--CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Y, whereY=a radical which can be removed under alkaline conditions andZ=a fibre-reactive radical.
Abstract:
New process for the preparation of 4,5,6-trichloropyrimidine, characterized in that a protonated dialkylaminopropionitrile of the general formula I ##STR1## in which R is C.sub.1 -C.sub.4 -alkyl and an.sup.- is an anion is treated with chlorine in an inert solvent in the presence of organic catalysts or PCl.sub.3 or PCl.sub.5.
Abstract:
Fibre-reactive disazo dyestuffs of the formula ##STR1## wherein R.sub.1 to R.sub.4, R.sub.5, R.sub.6 and n have the meaning indicated in the descriptionand their use for dyeing and printing materials containing hydroxyl groups and materials containing amide groups, in particular textile materials.