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Class 534/664 - Hetero ring containing


Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain a hetero ring.
No. of patents: 15
Last issue date: 02/27/2007


NumberTitleIssue Date
7183409Basic mono- and bisazo compounds
The invention relates to basic mono- and bisazo compounds according to formula (I) wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these ...
02/27/2007
6809087Sodium salt of an azo derivative of 5-aminosalicylic acid
The present invention relates to the sodium salt of (Z)-2-hydroxy-5-([4-[3-[4-[(2-methyl-1H-imidazo[4,5-c]pyridin-1-yl)methyl ]-1-piperidinyl]-3-oxo-1-phenyl-1-propenyl]phenyl]azo]benzoic acid, as well as to the pharmaceutical compositions containing it, to a proced...
10/26/2004
5747477Azo derivatives of 5-aminosalicylic acid
Compounds of formula I and their salts and solvates are useful for the treatment or prevention of inflammatory bowel disease. Pharmaceutical compositions including these compounds and processes for their preparation are also provided. ##STR1##...
05/05/1998
5489671Trisazo compound imparting black color, method for dyeing by using it and ink containing it
A trisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q' is phenylene group, Q2 is phenyl or naphtyl group, one of the A and B is a hydroxy group and the other is an amino group, K is 1 or ...
02/06/1996
5374301Inks suitable for use in ink jet printing
An ink comprising a liquid medium and a compound of Formula (1) or salt thereof: ##STR1## provided (i) if the compound of Formula (1) has no --SO3 H groups then it has at least two groups selected from --COOH and --COSH; and (ii) the ...
12/20/1994
5268459Azo dyes suitable for ink jet printing
Anionic azo compounds which, in the free acid form, have the Formula (1): ##STR1## wherein: Ar and Ar1 are each independently aryl or substituted aryl providing at least one of Ar and Ar1 has at least one substituent selected fr...
12/07/1993
51752645-[4-(4,6-dimethyl-2-pyrimidinylsulfamoyl)phenylazo]acetylsalicylic acid
This invention relates to 5-[4-[-(4,6-dimethyl-2-pyrimidinylsulfamoyl)phenylazo]acetylsalicylic acid (DISALAZINE) is provided as a new compound having anti-arthritic and immunomodulating properties. It can be produced via reaction of the diazonium sa...
12/29/1992
5064637Substituted sulfonamide derivatives which inhibit allergic reactions
The present invention involves intradermal, percutaneous, parenteral, or enteral administration of a newly synthesized compound to detect, reduce, or eliminate the occurrence of allergic reactions to sulfonamides. The new compound is a substituted sulfona...
11/12/1991
44129922-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith
The present invention provides a pharmaceutical composition for treating ulcerative colitis containing at least one compound of the general formula: ##STR1## wherein X is an --SO2 -- or --CO-- group and R is either an unsubstituted or...
11/01/1983
4312806Method and compounds for treating inflammatory bowel disease
The present invention relates to novel compounds and a method for the prophylaxis and treatment of Inflammatory Bowel Disease (IBD) via the administration of an effective amount in a suitable pharmaceutical dosage form of an azobenzene compound of formula...
01/26/1982
4219474Heterocyclic phenyl azo hydroxybenzenes
The following novel azo compounds, pharmaceutically acceptable salts and process for preparing the same are disclosed: 2-[(p-(2-pyridylsulfamoyl)phenyl)azo]hydroxybenzene; 3-[(p-(2-pyridylsulfamoyl)phenyl)azo]salicylic acid; and 5-[(p-(4-(2-pyridylan...
08/26/1980
4116953Azo dyes
Compounds of the formula ##STR1## in which K is the radical of a coupling component; X is hydrogen, chloro, bromo, methyl or nitro; and Y is hydrogen, chloro, bromo or methyl. The compounds are eminently suitable as pigments for coloring printing inks, su...
09/26/1978
40454294-(4-Hydroxy- or acetoxy-3-carbomethoxyphenylazo)-benzenesulphonyl chloride
A method for the preparation of 2-[4-(4-hydroxy-3-carboxyphenylazo)-benzenesulfonamido]-pyridine by reacting 4-diazobenzenesulfonic acid with an ester of salicyclic acid having the formula ##STR1## in the presence of an alkali metal hydroxide to...
08/30/1977
3950320Phenylazo derivatives of antibiotic X-537A
Derivatives of antibiotic X-537A of the formula Wherein R1 is selected from the group consisting of hydrogen, lower alkyl, phenyl, and phenyl substituted by a member of the group consisting of halogen, nitro, and lower alkyl; R2 is select...
04/13/1976
3945990Disazo compounds containing an alkanolamine substituted triazine component
A compound of the formula, as a free acid, ##SPC1## Wherein X is an alkanolamine residue, such as diethanolamine, which is useful for dyeing paper and pulp to give yellow dyeings with good light fastness....
03/23/1976
 
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