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Class 544/236 - At least three ring nitrogens in the bicyclo ring system


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the bicyclo ring system includes at least
No. of patents: 363
Last issue date: 04/02/2013


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NumberTitleIssue Date
5444066Thioformamide derivatives having hypotensive activity
The present invention provides a thioformamide derivative represented by the following general formula (I) or a pharmacologically acceptable salt thereof, which is highly safe, easy to use, and useful as an excellent hypotensive or heart disease remedy: ...
08/22/1995
5430007Certain herbicidal pyrazolopyridazines
Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the remainder of the variables are as ...
07/04/1995
5420275Pyridopyridazine compounds and their use
An assay method which comprises utilizing chemiluminescence of a pyridopyridazine compound of the formula ##STR1## wherein R1 is a hydrocarbon group or a heterocyclic group each of which may be substituted and R2 is hydroxy grou...
05/30/1995
5405826Herbicidal pyridopyridazinones and pyridopyridazinethiones
Pyrido[2,3-d]pyridazin-5-one and pyrido[2,3-d]pyridazin-5-thione derivatives of general formula (I): ##STR1## wherein R and R1 independently represent hydrogen, optionally halogenated alkyl, alkenyl or alkynyl, optionally substituted heter...
04/11/1995
5389633Triazolopyridazine compounds, their production and use
Novel compound represented by the formula: ##STR1## wherein R1 stands for H, an optionally substituted lower alkyl group or a halogen; R2 and R3 respectively stands for a hydrogen or an optionally substituted lower al...
02/14/1995
5380759Methyl N-[6-(3,4,5-trimethoxybenzloxy)imidazo[1,2-b]pyridazin-2-zyl]carbamate used to treat leukemia
Methyl N-[6-(3,4,5-trimethoxybenzloxy) imidazo [1,2-6]pyridazin-2-yl]carbamate is disclosed which is used to treat leukemia....
01/10/1995
5378679Heteroaromatically condensed hydroxypyridonecarboxamides, their preparation and use
Heteroaromatically condensed hydroxypyridonecarboxamides of the structure I ##STR1## where the substituents and the ring Q have the following meanings: R1 hydrogen, hydroxyl, substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl...
01/03/1995
53788435,6-disubstituted-3-pyridylmethyl ammonium halide compounds useful for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids
There are provided 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds, a method for the preparation thereof and the use thereof for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids....
01/03/1995
53746322,3-dihydro- 1-(8-methyl-1,2,4-triazolo[4,3-B]-pyridazin-6-yl)-4(1H)-pyridinone
2,3-Dihydro-1-(8-methyl-1,2,4-triazolo [4,3-b]pyridazin-6-yl)-4(1H)-pyridinone has been prepared in substantially pure form and has been found to be useful for alleviating bronchial spasms in mammals. Synthesis of this material through phenylselenyl inter...
12/20/1994
5371219Imidazopyridazine derivatives
Compounds of general formula (I) ##STR1## wherein R1 represents an optionally substituted carbocyclic or heterocyclic aryl group, or an optionally substituted alkyl, alkenyl, cycloalkyl or cycloalkenyl group; R2 represents an op...
12/06/1994
5369104Pyridazine compounds, their production and use
Novel compound represented by the formula: ##STR1## wherein X stands for a methine (i.e. the group --CH.dbd.) group or a nitrogen atom; R1 stands for a hydrogen atom, an optionally substituted lower alkyl group or a halogen atom; R2
11/29/1994
5356860Styrene derivatives useful as herbicides and defoliants
Abstract of the Disclosure: Styrene derivatives I ##STR1## where R1 is H or halogen, R2 is halogen, R3 is H, halogen or C1 -C4 -alkyl, R4 is CN or C1 -C6 -alkylca...
10/18/1994
5350749Pteridine derivatives
4-substituted-pyrido[3,2-d]pyridmidine, -pyrido[4,3-d]pyrimidine, -pyrido[3,4-d]pyrimidine, pyrido[2,3-d]pyrimidine, -pteridine, -pyrimido[4,5-d]pyrimidine, -pyrimido[4,5-c]pyridazine, -pyrimido[5,4-d]pyrimidine, -pyrimido[5,4-c]pyridazine, pyrimido[...
09/27/1994
5332744Substituted imidazo-fused 6-membered heterocycles as angiotensin II antagonists
Substituted Imidazo-fused 6-membered heterocycles of structural formula: ##STR1## wherein A, B, C, and D are independently carbon atoms or nitrogen atoms are angiotensin II antagonists useful in the treatment of hypertension and congestive heart fail...
07/26/1994
53289027-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclines
The invention provides compounds of the formula: ##STR1## wherein R, R3, R4 and W are defined in the specification. These compounds are useful as antibiotic agents....
07/12/1994
5324709Tetrahydrofuran derivative and herbicide containing the same as active ingredient
A tetrahydrofuran derivative represented by the following general formula [I]: ##STR1## wherein A represents direct bonding or a group represented by --B--CHR1 --(wherein B represents oxygen atom, sulfur atom or imino group; R1
06/28/1994
5304557Substituted oxoophthalazinyl acetic acids and analogs thereof
A compound of the formula ##STR1## wherein A1 and A2 are independently N or CH; B is a covalent bond or C.dbd. O; R1 is hydrogen or C1 -C6 alkyl; R2 is hydrogen, fluorine, chlorine, bromine, tri...
04/19/1994
5302596Tricyclic compounds as TXA2 antagonists
Novel tricyclic compound represented by formula ##STR1## possess a TXA2 biosynthesis inhibiting activity and/or a TXA2 receptor antagonizing activity, and are expected to have preventive and therapeutic effects on ischemic disea...
04/12/1994
5300478Substituted fused pyrazolo compounds
Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the variables are as defined in the sp...
04/05/1994
52888665,6-disubstituted-3-pyridylmethyl ammonium halide compounds useful for the preparation of 5- (substituted methyl)-2,3-pyridinedicarboxylic acids
There are provided 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds, a method for the preparation thereof and the use thereof for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids....
02/22/1994
52800321,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same
This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebro...
01/18/1994
5278161Amino acid derivatives useful as renin inhibitors
Compounds of the formula ##STR1## wherein A, B, X, Y, R1, R2, R3, R4 and R5 are as set forth in the specification, in the form of optically pure diastereomers, mixtures of diastereomers, diastere...
01/11/1994
5270322Imidazo[1,2-a]pyridines, pharmaceutical compositions containing these compounds and processes for preparing them
Imidazo[1,2-a]pyridines of the formula ##STR1## wherein Ra to Re are as defined herein, the enantiomers and the salts thereof, which are useful as angiotensin antagonists and for treating conditions treatable with angiotensin an...
12/14/1993
5262418N-(4-piperidinyl) (dihydroxybenzofuran or dihydro-2H-benzopyran)carboxamide derivatives
Piperidine derivatives of formula ##STR1## wherein A is a radical of formula --CH2 --CH2 -- (a-1), --CH2 --CH2 --CH2 -- (a-2), or --CH2 -...
11/16/1993
5260285Substituted imidazopyridazines as angiotensin II antagonists
Novel substituted imidazopyridazines of formula (I) which are useful as angiotensin II antagonists, are disclosed. ##STR1##...
11/09/1993
5229514Intermediates to 8-thia-1,6-diazabicyclo[4.3.0]nonane herbicides
Compounds of formula III ##STR1## wherein R1 is hydrogen; X is oxygen or sulfur; A is C1 -C2 alkylene and Q is --COOR16, where R16 is C1 -C4 alkoxy-C1 -C4
07/20/1993
5221791Water-soluble biologically active ammonium salts
This invention relates to hydrolysis resistant, water-soluble ammonium salt solids which are biologically active and which are described by the formula ##STR1## wherein m has a value of from 1 to 3; n has a value of from 1 to 4 and is equal to t...
06/22/1993
52140441,4-dihydropyridines useful as pharmaceuticals
The invention provides compounds of the formula: ##STR1## The variables are defined in the specification. The compounds are useful e.g. for the curative or prophylactic treatment of allergic conditions....
05/25/1993
5202324Imidazopyridazines
The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R2 and R3 are, independently, a hydrogen atom, a lower...
04/13/1993
5185335N-(4-piperodinyl)(dihydrobenzofuran or dihydro-2H-benzopyran) carboxamide derivatives
Piperidine derivatives of formula ##STR1## wherein A is a radical of formula ##STR2## wherein one or two hydrogen atoms in said radicals (a-1) to (a-3) may be replaced by a C1-6 alkyl radical; R1 is hydrogen or halo; R...
02/09/1993
5182391Process and intermediates for the preparation of oxophthalazinyl acetic acids and analogs thereof
Oxophthalazinyl acetic acids having benzothiazole side chains are prepared by reacting an oxophthalazinyl thioacetamide acetate with hydrogen sulfide and a nitrophenyl compound having a reactive group such that the benzothiazole side chain may be formed b...
01/26/1993
5182289Heterobicyclic compounds having antiinflammatory activity
Heterobicyclic and heterocyclic intermediate compounds and their use in treating inflammation, hyperproliferative skin conditions such as psoriasis and allergy are disclosed....
01/26/1993
5180418Herbicidally active thiadiazabicyclononanes and nonenes
Cycloalkanecarboxylic acid derivatives of formula I ##STR1## wherein W is ##STR2## and A is CO--R3 or CN; R1 is hydrogen or fluorine; R2 is halogen or cyano; R3 is chlorine, X--R5, amino, C
01/19/1993
5180724Carboxamide amino acid heterobicyclic PAF antagonists
Compounds of general formula I; ##STR1## wherein R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, B, and X are variables. These compounds are antagonists ...
01/19/1993
5179093Quinoline-diones
Compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein, R is H, halogen, (C1 -C6) alkyl, N(C1 -C6 alkyl/aryl)2, OH, O--(C1 -C6) alkyl/aryl, ...
01/12/1993
5177074Angiotensin II antagonists incorporating a substituted thiophene or furan
There are disclosed substituted thiophene and furan derivatives of Formula I which are useful as angiotensin II antagonists. ##STR1##...
01/05/1993
5155108Imidazopyridazines and use as antiasthmatic agents
The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R2 an R3 are, independently, a hydrogen atom, a lower ...
10/13/1992
5145850Imidazopyridazines, their production and use
An imidazo [1,2-b]pyridazine compound of the formula (I): ##STR1## wherein R1 is a halogen atom or a lower alkyl group optionally having substituent(s), R2 and R3 are, independently, a hydrogen atom, a lower alkyl gro...
09/08/1992
5127936Substituted phenyltriazolopyrimidine herbicides
Novel substituted phenyltriazolopyrimidines and their preparation and method-of-use as preemergence and postemergence herbicides....
07/07/1992
5102880Substituted imidazo-fused 6-membered heterocycles as angiotensin II antagonists
Substituted Imidazo-fused 6-membered heterocycles of structural formula: ##STR1## wherein A, B, C, and D are independently carbon atoms or nitrogren atoms are angiotensin II antagonists useful in the treatment of hypertension and congestive heart fai...
04/07/1992
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