摘要:
Anthraquinone-azo pyridone-containing compounds which in one of their tautomeric structures, correspond to the formula ##STR1## in which A denotes an .alpha.-anthraquinone radical which is free from sulphonic acid groups and is unsubstituted or substituted and preferably consists of at most 5 fused rings;R.sub.1 denotes hydrogen; alkyl, preferably C.sub.1 -C.sub.4 -alkyl; aryl, preferably phenyl or naphthyl; carboxyl; carboxylic acid ester, preferably carboxylic acid C.sub.1 -C.sub.4 -alkyl ester; or hydroxyl andR.sub.2 denotes hydrogen; halogen; nitro; cyano; unsubstituted or substituted carbamoyl or sulphamoyl; alkylcarbonyl, in particular (C.sub.1 -C.sub.4 -alkyl)-carbonyl; alkoxycarbonyl, in particular (C.sub.1 -C.sub.4 -alkoxy)-carbonyl; alkyl- or unsubstituted or substituted aryl-sulphone, preferably C.sub.1 -C.sub.4 -alkyl-sulphone or unsubstituted or substituted phenylsulphone; or a hetero-aromatic radical, for example, a radical of the formula ##STR2## or of the formula ##STR3## Such anthraquinone-azo compounds, because of their fastness to light and migration, are suitable for use in producing fast pigmented systems.
摘要:
Pigments which, in one of their tautomeric forms, have the formula ##STR1## in which R signifies --CH.sub.3 or ##STR2## and which, in the event that R is --CH.sub.3, are present in the .beta.-modification which is characterized by the lattice plane spacings d/.ANG. 13.33, 12.67, 9.17 and 15.15 having the relative intensities 100, 100, 60 and 2%, process for their preparation and their use.
摘要:
Anthraquinone-azomethine compounds of the formula ##STR1## or of the tautomeric formula ##STR2## or of the tautomeric formula ##STR3## in which A denotes an anthraquinone radical which is free from sulphonic acid groups and optionally further substituted and which preferably consists of at most 5 fused rings,R.sub.1 denotes hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxy-C.sub.1 -C.sub.4 -alkyl, optionally substituted phenyl, carboxyl, carboxylic acid, C.sub.1 -C.sub.4 -alkyl ester or hydroxyl,R.sub.2 denotes hydrogen, halogen, nitro, cyano, optionally substituted carbamoyl or optionally substituted sulphamoyl, sulphonic acid C.sub.1 -C.sub.4 -alkyl ester, sulphonic acid aryl ester, C.sub.1 -C.sub.4 - alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, optionally substituted benzoyl, alkyl or optionally substituted phenyl sulphone, or a hetero-aromatic radical, for example a radical of the formula ##STR4## or of the formula ##STR5## or of the formula ##STR6## R.sub.3 denotes optionally substituted aryl or hetero-aryl, cycloalkyl or C.sub.1 -C.sub.12 -alkyl, it being possible for the alkyl chain to be interrupted by oxygen or sulphur and /or substituted by hydroxyl, N(R.sub.5).sub.2 -- or --N(R.sub.5).sub.3.sup..sym. X.sup..crclbar. groups,R.sub.4 denotes a substituent,R.sub.5 denotes hydrogen, C.sub.1 -C.sub.4 -alkyl, cycloalkyl or optionally substituted aryl,X denotes an anion,m denotes 1, 2, 3 or 4 andn denotes 0, 1, 2, 3 or 4,processes for their preparation and processes for dyeing synthetic fibre materials and for pigmenting organic macromolecular substances using the new anthraquinone-azomethine compounds.
摘要:
Heterocyclic compounds of the formula ##STR1## wherein R.sub.1 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl or the two R.sub.1 s together denote CO,R.sub.2 denotes a substituent andn denotes 0, 1, 2, 3 or 4,processes for their preparation, azo pigments prepared therefrom by a coupling reaction with a diazo component of an aromatic or hetero-aromatic amine free from sulphonic acid groups, and the use of these azo pigments for pigmenting organic macromolecular materials and especially in the spin dyeing of polyacrylonitrile.
摘要:
Azomethine pigments of the formula ##STR1## or of the tautomeric formula ##STR2## in which D denotes the radical of an aromatic or heteroaromatic amine which is free from sulphonic acid groups,R.sub.1 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl, in particular methyl, or both the R.sub.1, at the same time, denote CO,R.sub.2 denotes a substituent,m denotes an integer, preferably 1 or 2, andn denotes 0, 1, 2, 3 or 4,a processes for their preparation.
摘要:
Azine pigments having the probable structure ##STR1## wherein the rings designated by T, R', X and X' can be substituted or expanded to naphthalene systems. The pigments can be prepared by reacting compounds having the probable structures ##STR2## in the presence of hydrazine. The compounds having the probable structures (IV) and (IVa) are formed by reacting isatoic anhydrides or anthranilic acid esters or anthranilic acid amides with at least one mol of an aminoiminoisoindolenine.
摘要:
Process for the preparation of dimethyl succinylosuccinate, or the disodium salt thereof, by condensation of dimethyl succinate in a 35-45 percent by weight solution of sodium methylate in methanol, and a process for the preparation of dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and of dianilinoterephthalic acids, and the dimethyl esters and salts thereof, starting from the disodium salt of dimethyl succinylosuccinate prepared according to the new process, without intermediate isolation.
摘要:
A new process for the preparation of pigments of the formula ##STR1## comprises first reacting phthalodinitrile in an organic medium in the presence of a base with an alcohol and then with a compound of the formula ##STR2## in the presence of water at a pH of 1-6.
摘要:
Metal complexes of azines of the formula ##STR1## in which X denotes hydrogen or halogen,R denotes hydrogen or an organic radical,R.sub.1 denotes hydrogen or an organic radical,R.sub.2 denotes an organic radical, in which R.sub.1 and R.sub.2 together with the C atom linking them can also form a carbocyclic or heterocyclic ring or a carbocyclic or heterocyclic ring system in which the rings and ring systems mentioned can also be substituted, and one of the radicals R.sub.1, R.sub.2 or R.sub.1 and R.sub.2 together contain a group capable of forming a metal salt, and processes for pigmenting using these metal complexes.