Matches 101 - 150 out of 186 < 1 2 3 4 >
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4581448 Thienotriazines  
Fused tetracyclic compounds containing two thiophene rings, one pyridine ring and a triazine ring and which are useful as antiallergic agents are described herein. The compounds are prepared by the...
4561881 Pollen suppressant comprising a pyridazolylamine  
A pollen suppressant of the formula ##STR1## wherein R 1 and R 4 independently represent C 1 -C 4 alkyl, phenyl, naphthyl, or phenyl or naphthyl substituted with one to three substituents...
4552878 Benzo- and thieno-triazine-1,2,3 ones-4  
This invention relates to benzo- and thieno-triazine-1,2,3 ones-4 represented by the formula ##STR1## in which m is 2, 3 or 4, X is the vinylene group --CHCH-- or a sulfur atom; R 1 and R 2 ...
4525357 Derivatives of bicyclic 2-iminothiazolidine oximes  
Novel derivatives of bicyclic 2-iminothiazolidine oximes and methods of preparing same. This invention is also directed to an insecticidal composition comprising an acceptable carrier and an...
4496725 Substituted 1,2,3-triazino[4',5':4,5]-thieno[2,3-B]quinolin-4(3H)-ones  
Substituted 1,2,3-triazino[4',5':4,5]thieno[2,3-b]quinolin-4(3H)-ones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate substituted...
4469692 Spiro derivatives of the pyrazolo [1,5-d] [1,2,4] triazine ring system and a process for the preparation thereof  
A spiro derivative of the pyrazolo [1,5-d] [1,2,4] triazine ring system of the formula I ##STR1## wherein R 1 and R 2 represent, independently from each other, a hydrogen atom or a C 1 -4 alkyl...
4447603 Substituted-6-n-propyl-8-methylimidazo[1,5-d]-as-triazin-4-(3H)-ones  
This disclosure describes new compounds and compositions of matter useful as anti-asthmatic agents and the method of meliorating asthma in mammals therewith, the novel active ingredients of said...
4424351 Pyrido 3,4-e!-as-triazines  
Acylated pyrido 3,4-e!-as-triazines of the formula (I), ##STR1## wherein R 1 stands for alkyl, alkoxy, haloalkyl, furyl, pyridyl, phenyl, phenyl-(C 1 -4 alkyl) or phyenyl-(C 2 -4 alkenyl)...
4405619 Antiinflammatory substituted-1,2,4-triazolo[4,3-b]-1,2,4-triazines  
Substituted 1,2,4-triazolo[4,3-b]-1,2,4-triazines have been found to be effective antiinflammatory and analgesic agents for warm-blooded animals. Pharmacological compositions thereof and methods of...
4342766 Novel dihydro-as-triazino[5,6-c]quinoline derivatives and a process for the preparation thereof  
New compounds are disclosed of the formulae ##STR1## or pharmaceutically effective salts thereof, wherein R is hydrogen, C 1 -12 alkyl, or R is phenyl or phenyl-C 1 to C 4 alkyl wherein the...
4324786 Pyrido[2,3-e]-as-triazine derivatives and pharmaceutical compositions  
New pyrido[2,3-e]-as-triazine derivatives of the general formula (I), ##STR1## wherein R 1 and R 2 each stand for a C 1 -20 alkylcarbonyl, halogenated (C 1 -4 alkyl)-carbonyl, C 1 -4...
4320127 Pyrido[3,2-e]-as-triazines  
The invention relates to new pyrido[3,2-e]-as-triazine derivatives of the formula I and pharmaceutically acceptable acid addition salts thereof, ##STR1## wherein R 1 stands for a C 1 -20...
4318859 Process for the preparation of basic dyestuffs  
In order to prepare basic dyestuffs of the general formula ##STR1## in which A and B independently of one another represent a hetero-aromatic radical or a radical of the general formula ##STR2## in...
4316022 Benzo-as-triazine derivatives  
The invention relates to new benzo-as-triazine derivatives of the formulae (I) and (Ia) and pharmaceutically acceptable acid addition salts thereof, ##STR1## wherein R 1 and R 2 each represent...
4285944 Pyrano[4,3-e]-as-triazines and corresponding 4-oxides  
This disclosure describes novel compounds of the formula ##STR1## wherein R 1 and R 2 each independently represent hydrogen, halo having an atomic weight of about 19 to 36, lower alkyl, straight...
4286090 Novel tetrazolo [4,5-C][1,2,3]benzotriazines  
Tetrazolobenzotriazine compounds such as 7-chlorotetrazolo[4,5-C][1,2,3]benzotriazine are prepared by the reaction of the corresponding substituted 5-(2-aminophenyl)tetrazole with nitrous acid....
4278673 Pharmacologically active compounds  
There are provided compounds of the general formula (I): ##STR1## and physiologically acceptable salts thereof in which Z represents a group ##STR2## wherein R 2 represents a hydrogen atom or a...
RE30511 Imidazo[1,5-d]-as-triazine-4(3H)-ones and thiones  
There is provided substituted imidazo[1,5-d]-as-triazine-4(3H)-ones and substituted imidazo[1,5-d]-as-triazin-4(3H)-thiones useful as inhibitors of the enzyme cyclic-AMP phosphodiesterase and as...
4239887 Pyridothienotriazines  
New pyridothienotriazines are described. These compounds are useful as anti-allergic reagents.
4204997 Asymmetric amination of 1,3-dienes  
A process for the asymmetric synthesis of amines which comprises the amination of a conjugated diene having from 4 to about 20 carbon atoms in the presence of a catalyst system comprising a...
4170599 Process for the preparation of 1,3,3-trimethyl-2-oxabicyclo[2,2,2]octan-6-ones  
1,3,3-Trimethyl-2-oxabicyclo[2,2,2]octan-6-ones are prepared by first epoxidizing α-terpineol with a peracid and thereafter oxidizing the resulting product with an appropriate oxidizing agent.
4168964 Method for the control of undesired plant species using imidazo-as-triazinones and triazine-thiones  
This disclosure describes herbicidal methods for the pre- and postemergence control of undesired mono- and dicotyledonous plants using substituted imidazo[1,5-d]-as-triazin-4(3H)-ones and...
4159375 6- AND 7-Aryl-1,2,4-triazolo[4,3-b]-1,2,4-triazines  
This application discloses 6- or 7-(o-, m- or p-substituted-phenyl)-1,2,4-triazolo[4,3-b]-1,2,4-triazines useful as anxiolytic agents.
4126444 Substituted imidazo (1,5-D)-as-triazin-4-ols, and herbicidal use thereof  
There are provided substituted imidazo[1,5-d]-as-triazin-4-ols, useful as herbicides for the pre- and postemergence control of undesired mono- and dicotyledonous plants.
4124766 Substituted 3-(4-imidazolylmethylene)carbazic and thiocarbazic acid esters  
There are provided substituted 3-(4-imidazolyl-methylene)carbazic acid esters and 3-(4-imidazolylmethylene)dithiocarbazic acid esters useful as intermediates for the preparation of compounds which...
4115572 Imidazo-[1,5-d]-as-triazin-1(2H)-ones and method of ameliorating asthma  
There are provided substituted imidazo[1,5-d]-as-triazin-1(2H)-ones useful as anti-asthmatic agents.
4107308 Imidazo[1,5-d]-as-triazines  
There are provided novel substituted imidazo-[1,5-d]-as-triazines useful as hypotensive agents as well as exhibiting herbicidal activity.
4107309 Substituted imidazo[1,2-d]-as-triazines  
This disclosure describes novel 5-substituted imidazo[1,2-d]-as-triazines useful as anti-asthmatic agents and as inhibitors of the enzyme cyclic-AMP phosphodiesterase.
4096257 Substituted imidazo [1,2-d]-as-triazines  
This disclosure describes 5-n-propyl-imidazo[1,2-d]-as-triazin-8(7H)-one and 5-phenyl-imidazo[1,2-d]-as-triazin-8(7H)-one which are useful as anti-asthmatic agents and as inhibitors of the enzyme...
4084053 Polycyclic compounds  
Polycyclic compounds of the general formula I ##STR1## in which the nucleus A can be further substituted, Y is a hydrogen atom or an optionally substituted hydrocarbon radical, and R 1 and R 2 ...
4057547 Azabicyclic compounds, and production thereof  
Novel azabicyclic compounds useful for their central nervous system depressant and cardiovascular activity, methods for preparing same, and intermediates.
4018768 [1]Benzothieno [3,2-d]-v-triazines and synthesis thereof  
A series of [1]benzothieno[3,2-d]-v-triazines are prepared by diazotization of 3-aminobenzo[b]thiophene-2-carbonitriles.
4016165 Triazino benzodiazepines  
Compounds of formula IV: ##STR1## wherein R and R 1 are hydrogen or alkyl of 1 to 3 carbon atoms, inclusive; wherein R 2 is hydrogen or methyl; wherein R 3 is hydrogen, fluoro, chloro, bromo,...
4013767 3-Pyridyl and pyridyl-N-oxide-furo[3,4-e]-as-triazines  
Substituted or unsubstituted-3-pyridyl and pyridyl-N-oxide-furo[3,4-e]-as-triazines, e.g., 5,7-dihydro-3-(2-pyridyl)-5,5,7,7-tetramethyl-furo[3,4-e] -as-triazine are prepared by reacting...
3963713 Furo(3,4-e)-as-triazines and corresponding 4-oxides  
5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines and corresponding 4-oxides, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-phenylfuro[3,4-e]-as-triaz ine and...
3962240 Process for the preparation of furo(3,4-e)-as-triazines  
5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-(m-nitrophenyl)furo[3,4-e] -as-triazine, are prepared by reacting a...
3960877 N-monosubstituted-2,3-pyridinedicarboxamides, and related compounds  
A method for producng N-monosubstituted-2,3- and 3,4-pyridinedicarboxamides and 2,3-pyrazinedicarboxamides, which is accomplished by reacting corresponding imide precursors with ammonia or primary...
3941785 Imidazo [5,1-f]-as-triazines  
Compounds of the general formula: ##SPC1## In which: R 1 and R 2 which may be the same or different, represent a hydrogen atom or an alkyl group which may optionally be substituted by an aryl...
3929785 Polycyclic N-hetero dyestuffs  
Polycyclic compounds of the general formula I ##SPC1## in which the nucleus A can be substituted yet further, amongst Z 1 and Z 2 one Z is a nitrogen atom --N= and one Z is a group of the...
3922274 Dihydro-1,2,4-triazinoquinazolines  
Triazinoquinazoline compounds such as 3,4-dihydro-2-methyl-6-(4-chlorophenyl)-2H-1,2,4-triazino [4,3-c]quinazoline are prepared by the reaction of...
3919216 6-(Alkyl)-3,4,6,7-tetrahydro-1,2,4-triazinoquinazolines  
Triazoloquinazoline compounds such as 3,4,6,7-tetrahydro-2-methyl-6-(isobutyl)-2H-1,2,4-triazino [4,3-c]quinazoline are prepared by the reaction of...
3919219 6-Pyridyl-tetrahydro-1,2,4-triazinoquinazolines  
Triazinoquinazoline compounds such as 3,4,6,7-tetrahydro-2-methyl-6-(4-pyridyl)-2H-1,2,4-triazino [4,3-c]quinazoline are prepared by the reaction of...
3919215 3-(2-Acylaminophenyl)-1,2,4-triazines  
3-(2-Acylaminophenyl)-1,2,4-triazine compounds such as 3-[2-(3,4-dichlorobenzoyl)aminophenyl]-1,4,5,6-tetrahydro-1- ethyl-1,2,4-tr iazine are prepared by the reaction of a...
3919220 6-(Phenyl and substituted phenyl)tetrahydro-1,2,4-triazinoquinazolines  
Triazinoequinazoline compounds such as 3,4,6,7-tetrahydro-2-methyl-6-(4-chlorophenyl)-2H-1,2,4-tria zino[ 4,3-c]quinazoline are prepared by the reaction of...
3883526 3-Benzylpyrido [3,4-e]-as-triazine and 1,2-dihydro-3-benzylpyrido[3,4-e]-as-triazine hydrochloride  
The titled compounds are effective antifungal agents adapted to be combined in pharmaceutical forms for use in the eradication of fungus infections.
3882111 1,2-Dihydro-3-phenoxymethylpyrido[3,4-e]-as-triazine hydrochloride and 3-phenoxymethylpyrido[3,4-e]-as-triazine  
The titled compounds are effective antifungal agents adapted to be combined in pharmaceutical forms for use in the eradication of fungus infection.
3873542 3-Amino-as-triazino[6,5-c]quinoline and its 1-oxide, and a process for the preparation thereof  
3-Amino-as-triazino[6,5-c]quinoline or its 1-oxide can be prepared as follows: 4-chloro-3-nitroquinoline is reacted with guanidine, the formed 4-guanidino-3-nitroquinoline is subjected to ring...
3873543 3-Substituted-as-triazino(5,6-c) quinoline derivatives  
New 3-substituted as-triazino[5,6-c]quinoline derivatives of the general formula (I) ##SPC1## wherein R represents hydrogen, a C 1 -4 alkyl group, an aralkyl group containing 1 to 4 carbon atoms in...
3873541 As-triazino[5,6-C]quinoline derivatives  
AS-Triazino[5,6-c]quinoline derivatives of the general formula (I) ##SPC1## wherein R represents hydrogen, a C 1 -4 alkyl group or a phenyl group, R 1 and R 2 each represent hydrogen or may form...
3857840 PYRIDO-1,2,3-TRIAZINES  
Organic phosphorus compounds of the formula ##SPC1## Wherein R 1 represents alkyl, alkoxy, alkenyloxy, alkynyloxy, alkoxyalkoxy, halogenoalkoxy, alkylthio, alkenylthio, alkoxyalkylthio, phenyl,...
Matches 101 - 150 out of 186 < 1 2 3 4 >