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Class 544/336 - 1,4-diazines


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the six-membered hetero ring has nitrogens
No. of patents: 810
Last issue date: 05/22/2012


                    21  
NumberTitleIssue Date
3957805Substituted pyridines and diazines and methods of preparing the same
The preparation of cyclopropylisoxazolylpyridines and cyclopropylisoxazolyldiazines from corresponding cyclopropyl monooximes is described. The products are useful in the treatment of pain, muscle spasm, inflammation, anxiety, or tension....
05/18/1976
3957990Oxime carbamates
Novel oxime-carbamates of the formula ##SPC1## Wherein R1 is --CH3, --CH(CH3)2, ##EQU1## --C(CH3)3, or --C6 H5 ; R2 is --H or --CH3 ; R3
05/18/1976
3950333Pharmacologically active guanidine compounds
The compounds are substituted thioalkyl-, aminoalkyl- and oxyalkyl-guanidines which are inhibitors of histamine activity....
04/13/1976
3950353Pharmacologically active thiourea and urea compounds
The compounds are substituted thioalkyl-, aminoalkyl- and oxyalkyl-thioureas and ureas which are inhibitors of histamine activity....
04/13/1976
39488922-Alkoxy(and 2-amino)-3-amino-2-heterocyclic-thiopropanamides
The compounds are 2-alkoxy(and 2-amino)-3-amino-2-heterocyclic-thiopropanamides, for example 2-methoxy-N-methyl-3-morpholino-2-(2-pyridyl)thiopropanamide, which are inhibitors of gastric acid secretion....
04/06/1976
3948895Synthesis of 3,5-diaminopyrazinoic acid from 3,5-diamino-2,6-dicyanopyrazine and intermediates
An improved method for the preparation of 3,5-diaminopyrazinoic acid (which is useful for the manufacture of diuretics) is described. New compounds obtained in the process include 3,5-diamino-2,6-dicarbamoylpyrazine; 3.5-diamino-6-carbamoylpyrazinoic acid...
04/06/1976
39460092-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazines
2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazine compounds optionally having substituents in the 5 and/or 6 positions, possessing ଲ-adrenergic blocking properties are described. The products are prepared by reaction of a 2-chloro(or h...
03/23/1976
3944551N-Coumaranyl and chromanyl -methyl-or sulfur analogs thereof-N'- thiazolyl piperazines
Disubstituted piperazines of the formula: ##SPC1## Wherein: n is 1 or 2; X is oxygen or sulfur; R is hydrogen or lower alkyl; Het is pyridyl, pyrimidinyl, pyridazinyl, pyrazinyl, quinolyl, quinazolyl, thiazolyl or benzothiazolyl, each optionally substituted by...
03/16/1976
3940486Imidazole derivatives in the treatment of pain
Compounds of the formula ##SPC1## Wherein R1 represents lower alkyl, cycloalkyl or phenyl which is optionally substituted by halogen, lower alkyl or lower alkoxy, and one of the groups R2 and R3 represents phenyl which is ...
02/24/1976
3932443Sulphoxides
The compounds are sulphoxides of heterocyclicthioalkylthioureas, ureas and guanidines which are useful to produce inhibition of histamine H-2 receptors....
01/13/1976
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