Class 552/241 - Additional carbon bonded directly to the oxygen

Subclass of Class 552 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the oxygen has an additional carbon bonded
No. of patents: 40
Last issue date: 02/20/2007

Number	Title	Issue Date
7179308	Ethylenically-unsaturated blue anthraquinone dyes This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acr...	02/20/2007
7172634	Ethylenically-unsaturated blue anthraquinone dyes This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acr...	02/06/2007
7160335	Anthraquinone dyes The present invention relates to a compound of formula I wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR	01/09/2007
7105688	Ethylenically-unsaturated red anthraquinone dyes This invention pertains to certain novel red anthraquinone colorant compounds containing one or more ethylenically-unsaturated (e.g., vinyl), photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored ...	09/12/2006
5663386	Method for marking mineral oils with amthraquinones The invention discloses the use of anthraquinones of the formula ##STR1## where R3 is unsubstituted or substituted C1 -C18 -alkyl or unsubstituted or substituted phenyl for marking mineral oils. Also disclosed are the...	09/02/1997
5493036	Fibre-reactive anthraquinone dyes, their preparation and the use thereof The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R1, R2, B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for dyeing or printing hydroxyl group con...	02/20/1996
5480873	Pharmaceutical compounds Pharmaceutical compounds of the formula ##STR1## in which R1 and R2 are each hydrogen, hydroxyl, halo, C1-4 alkyl, C1-4 alkoxy, acyloxy, --O-glucoside, optionally substituted phenyl or optionally substitute...	01/02/1996
5387704	Preparation of anthraquinones Process for preparing amino- and carbamoyl-substituted anthraquinones by Diels-Alder reaction of an N-butadienylcarbamic acid ester of the formula H2 C.dbd.CH--CH.dbd.CH--NH--COOR2, wherein R2 is alkyl or phenylalkyl, with...	02/07/1995
5204370	Bis-(hydroxyalkylamino)-anthraquinone inhibitors of protein kinase C The present invention provides novel substituted anthraquinones having the formula ##STR1## wherein R1 and R2 are independently H, C1 -C10 alkyl, aryl, arylalkyl, alkylaryl; n and m are independently 1, 2, ...	04/20/1993
4916244	Preparation of 1-amino-4-hydroxy-2-(6'-hydroxyhexoxy)-anthraquinone 1-Amino-2-(6'-hydroxyhexoxy)-4-hydroxyanthraquinone (I) is prepared from the corresponding 2-phenoxy- or 2-halo-anthraquinone compound and 1,6-hexanediol with or without a phenol in the presence of an alkaline agent at elevated temperatures by reacting, p...	04/10/1990
4804767	Process for the preparation of disperse dyes Dyes of formula (1) as claimed in claim 1 can conveniently be prepared by reacting an anthraquinone compound of formula (2) with a haloformate of formula (3) in an inert organic solvent and in the presence of 1 to 2 moles of a heterocyclic tertiary nitrog...	02/14/1989
4689171	Anthraquinone dyestuffs, their preparation and use and dichroic material containing these anthraquinone dyestuffs Dyestuffs of the formula ##STR1## in which Y1, Y2, Y3, Y4 designate hydrogen, halogen, nitro, amino, alkylamino, arylamino, cycloalkylamino, aralkylamino, alkylthio, arylthio, cycloalkylthio, aralkylthio or...	08/25/1987
4610804	Anthraquinone dyes and liquid crystal compositions including the same A liquid crystal composition comprising a host liquid crystal material and at least one guest novel anthraquine dye dissolved in said host liquid crystal material has a high order parameter, sufficient solubility in the host liquid crystal and high stabil...	09/09/1986
4510088	Dye mixtures of anthraquinone dyes Dye mixtures containing at least two dyes of the formula (1) ##STR1## wherein R is hydrogen, methyl or ethyl, and n is an integer from 2 to 4, exhibit on synthetic textile material a build-up which is considerably better than that of the individual d...	04/09/1985
4363743	Liquid crystals having pleochroic dyes Anthraquinone dyes of the general formula: ##STR1## wherein R1, R3, R4 and R6 are selected from the group consisting of H, OH, OCH3, NO2, NH2 and NHCH3 ; R2	12/14/1982
4328160	Process for the preparation of 1-aminoanthraquinones A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst....	05/04/1982
4310666	Anti-neoplastic 1,4-bis-(substituted aminoalkyl amino)-anthraquinones An antineoplastic 1,4-bis-substituted-9-10-anthracenedione having the formula ##STR1## wherein W, X, Y and Z are each independently selected from the group consisting of hydrogen, OH, NH2, OCH3, N(CH3)2, F,...	01/12/1982
4309221	Anthraquinone derivatives Anthraquinone derivatives of the formula ##STR1## or of the tautomeric formula ##STR2## in which A denotes an anthraquinone radical which is free from sulphonic acid groups and is optionally further substituted and which preferably consists...	01/05/1982
4273720	2-Aralkoxy-anthraquinone dyestuffs The present invention relates to anionic dyestuffs of the 1-amino-4-aryl- or -4-alkylamino anthraquinone series which are unsubstituted in the 3-position and bear in the 2-position an arylalkyleneoxy group, and in which at least one aryl group bears a sul...	06/16/1981
4267115	Anthraquinone compounds Water-soluble anthraquinone dyes which bear one or two 3,5,5-trimethylcyclohexylamino groups in the 1- and/or 4-positions and one or two -SO3 H groups bound either directly to a carbon atom of an aromatic ring or indirectly over an oxygen atom ...	05/12/1981
4226783	଱-Chlorination process A process for ଱-chlorination of side chains of electronegatively substituted aromatic compounds with dichlorine monoxide....	10/07/1980
4222947	Anthrachinone dyestuffs Dyestuffs, which are free from nitro groups and sulphonic acid groups, of the formula wherein F denotes an anthraquinone nucleus which contains at least one auxochromic group in the ଱-position, Z denotes a direct bond or a bridge member, A denotes alkyle...	09/16/1980
4124355	Transfer dyeing with 1-amino-4-anilinoanthraquinone dyes A process for the transfer color printing of synthetic textile materials wherein the dyestuff used is a 1-amino-4-anilinoanthraquinone having one or two ortho substituents in the anilino group. The anthraquinone nucleus may be further substituted in the 2...	11/07/1978
4110355	Anthraquinone compounds useful in photographic processes This invention relates to a novel class of compounds which are capable of reacting in such a way as to form a new heterocyclic ring, and as a function of such reaction and ring formation to split off a color-providing material....	08/29/1978
4104269	Methoxymethoxy protected intermediates for photographic dyes This invention relates to compounds of the formula: ##STR1## wherein: X is methyl, methoxy, hydroxy, amino, chloro or carboxy; m is a positive integer from 1 to 2; and A is an alkyl radical having from 9-17 carbon atoms. The compounds of this invention are par...	08/01/1978
4086252	Process for the manufacture of anthraquinone compounds Process for the production of ଱-(carboxyethylamino)anthraquinones by reacting an ଱-aminoanthraquinone with an alkenyl carboxylic acid in sulphuric acid medium containing boric acid, metaboric acid or boric oxide....	04/25/1978
4083847	Transiently water-soluble disperse mono-azo dyes containing a diamino-methylene-carbacyl group Dyes of the formula ##STR1## WHEREIN F is a dye of the disperse class, n is 1 or 2, and W is the radical of a diammonium or aminoammonium compound which is linked through an ammonium group to the methylenecarbonyloxy radical, said dyes finding u...	04/11/1978
4078890	Process for the dyeing and printing of polyester material The invention relates to a process for the dyeing and printing of polyester material in a weakly acid, neutral or alkaline solution of at least one altered dispersion dyestuff water-soluble at an intermediate stage and containing a carbacyl group which is...	03/14/1978
4076735	Process for the manufacture of aminoanthraquinones A process for the manufacture of aminoanthraquinones, wherein nitroanthraquinones are reacted in dipolar aprotic solvents which contain --SO2 -- or --SO-- groups and are inert to the reactants, with aliphatic, aliphatic-aromatic, cycloaliphatic...	02/28/1978
4046785	Process for preparing aminoanthraquinones A process for preparing aminoanthraquinones of high purity, which comprises catalytically hydrogenating nitroanthraquinones in the suspended state in an aqueous medium in the presence of a hydrogenating catalyst. In a preferred embodiment, the catalytic h...	09/06/1977
4036862	1-Amino-2-(bromophenoxy-alkoxy)-4-hydroxy anthraquinone dyestuffs The invention relates to mixtures of water-insoluble anthraquinone dyestuffs of the formula ##STR1## in which A and B are amino or hydroxyl R is alkylene X is a direct bond, oxygen, sulphur or imino Ar is aryl D1 and D2 are hydrogen ...	07/19/1977
4035401	Intermediates for photographic dyes Compounds defined by the following general formula: ##STR1## wherein: X is methyl, methoxy, hydroxy, amino, chloro or carboxy; m is a positive integer from 1 to 2; and A is alkyl having from 9-17 carbon atoms. The compounds of this invention are particularly u...	07/12/1977
4035398	Anthraquinone dyestuffs The invention relates to water-insoluble anthraquinone dye-stuffs of the formula ##STR1## wherein A denotes an optionally substituted cycloalkylene group, n and m denote numbers from 0 to 4 and Z1 and Z2 denote hydrogen or halogen. T...	07/12/1977
4017524	Anthraquinone dyestuffs The invention is directed to the dyeing and printing of synthetic fiber materials from an aqueous medium with partially known dyestuffs of the formula ##STR1## wherein Y = C3 -C10 -alkylene group, X = oxygen or sulphur, Q = aral...	04/12/1977
4008222	Anthraquinone dyestuffs Anthraquinone dyestuffs suitable for use in dyeing and printing synthetic fiber material, particularly polyesters, and process for their preparation which comprises reacting an anthraquinone which contains, in at least one ଲ-position, a reactive gro...	02/15/1977
3987026	Transiently water-soluble non-heterocyclic azo and disazo disperse dyestuffs Transiently water-soluble dyestuffs of the formula ##EQU1## WHEREIN F is a radical of a non-heterocyclic azo disperse dyestuff containing no groups which dissociate in water, n is 1 or 2, X is an electrophilic group, R1 is an optionally su...	10/19/1976
3972904	Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them Water-soluble dyestuffs of the general formula ##EQU1## WHEREIN F represents the radical of a water-insoluble anthraquinone dyestuff, X represents an oxygen atom, a sulfur atom or a nitrogen atom which is substituted by a hydrogen atom, a lower alkyl...	08/03/1976
3968131	Manufacture of 1-amino-2-alkoxy-4-hydroxyanthraquinones An improvement in the process for the manufacture of 1-amino-2-alkoxy-4-hydroxyanthraquinones by reaction of primary, saturated, linear or branched aliphatic alcohols, which may contain further substituents, with 1-amino-2-phenoxy-4-hydroxyanthraquinone o...	07/06/1976
3963763	Anthraquinone dyestuffs Anthraquinone dyestuffs of the formula ##SPC1## In which X1 denotes hydroxyl or amino, X2 denotes hydroxyl, amino, alkylamino, cycloalkylamino, arylamino, acylamino, alkylmercapto or arylmercapto, R denotes hydrogen, alkyl, aralkyl, ...	06/15/1976
3952029	2-(Fluorosulfonyl)ethylamino anthraquinones Dyestuffs of the anthraquinone series having a single anthraquinone nucleus substituted in one or two alpha positions of the nucleus with a --NHCH2 CH2 SO2 F radical....	04/20/1976

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Class 552/241 - Additional carbon bonded directly to the oxygen