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Class 514/230.2 - Ring nitrogen shared by two of the cyclos


Subclass of Class 514 - Drug, bio-affecting and body treating compositions
Definition: Subject matter in which the tricyclo ring system contains
No. of patents: 149
Last issue date: 03/27/2012


      4  
NumberTitleIssue Date
4816451Antibacterial 1,8-bridged 4-quinolonecarboxylic acids
Antibacterially effective 1,8-bridged 4-quinolone-3-carboxylic acids and derivatives of the formula ##STR1## in which Y represents a carboxyl group, a nitrile group, an ester group --COOR7 or an acid amide group --CONR8 R9
03/28/1989
4808585Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids
The invention relates to solutions of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids, and in particular both ready-to-use injection and/or infusion solutions and dosage forms which can be converted into such injection and/or infusion ...
02/28/1989
4762831Antibacterial 1,8-bridged 4-quinolone-3-carboxylic acids
A process for the preparation of a 1,8-bridged 4-quinolone-3-carboxylic acid of the formula ##STR1## wherein the substituents are defined hereinbelow. Some of the compound are new. The old and new compounds are antibacterials and promote animal ...
08/09/1988
4753953Pyridonecarboxylic acid derivatives and antibacterial pharmaceutical compositions thereof
Pyridonecarboxylic acid derivatives of the following formula, ##STR1## wherein R is hydrogen atom or lower alkyl group, R1 is lower alkyl group, cycloalkyl group or haloalkyl group, Y is hydrogen atom or halogen atom, or Y and R1
06/28/1988
4735940Tricyclic pyridine derivatives and pharmaceutical compositions
Compounds of the formula ##STR1## or a pharmaceutically acceptable acid addition salt of a compound of formula I which has one or more basic substituents, are described. The compounds of formula I possess pronounced muscle relaxant, sedative-hypnotic...
04/05/1988
4729998Cyclic carbamates and fungicidal use
Fungicidally active cyclic carbamates of the formula ##STR1## in which X and Y each represent oxygen or sulfur, Z represents hydrogen, halogen, alkyl or nitro, and n is 2 or 3. Some intermediates are new....
03/08/1988
4623647[1,3]oxazino[4,3-a]-isoquinoline derivatives and pharmaceutical compositions containing them
The invention relates to new [1,3]oxazino[4,3-a]-isoquinoline derivatives of the formula (I) ##STR1## wherein R1 and R2 represent hydroxyl or alkoxy having from 1 to 6 carbon atoms, R3 is hydrogen, alkyl having from 1...
11/18/1986
4623650Antibiotic derivatives of 7-phenyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
1-Substituted-6-fluoro-7-aryl-(8-fluoro)-1,4-dihydroquinol-4-one 3-carboxylic acids having antibacterial activity are prepared by reacting the corresponding alkyl 1-substituted-6-fluoro-7-bromo-(8-fluoro)-1,4-dihydroquinol-4-one-3-carbox ylate with an...
11/18/1986
46056531-(hydroxymethyl)-1,6,7,11b-tetrahydro-2H,4H-[1,3]oxazino- or -thiazino-[4,3-a]isoquinoline derivatives and pharmaceutical compositions containing them
The invention relates to 1-(hydroxymethyl)-1,6,7,11b-tetrahydro-2H,4H-[1,3]oxazino- or -thiazino-[4,3-a]isoquinoline derivatives of the formula (I), ##STR1## wherein R1 and R2 are alkoxy having from 1 to 6 carbon atoms, X is oxy...
08/12/1986
4576942Anti-allergic and anti-inflammatory bi- and tri- cyclo-1,4-thiazine derivatives, composition, and method of use therefor
Compounds of the formulae ##STR1## wherein, A is benzo, pyrido, thieno, pyrazolo, imidazo, pyrimido, isoxazolo, thiazolo, furo or pyrrolo; X is O, S, SO or SO2 ; R1 is H, alkyl, aryl, OH, OR, aryloxy, halogen, amino, nitro, cyano, ...
03/18/1986
4571396Antibacterial agents
Novel naphthyridine-, quinoline- and benzoxazine-carboxylic acids as antibacterial agents are described as well as methods for their manufacture, formulation, and use in treating bacterial infections including the description of certain novel intermediate...
02/18/1986
4564615Immunoactivator
An immunoactivator comprising an effective amount of a thiazolobenzoxazine derivative of the formula, or its salt ##STR1## wherein R1 represents a hydrogen atom, carboxyl group or lower alkoxycarbonyl group, R2 represents a subs...
01/14/1986
45474992,4-Dihydr o-2(omega-aminoalkyl)-1H-[1,2,4]triazolo[3,4-c]benzoxazin-1-one anti-alle rgy drug compounds, compositions and use
2,4-Dihydro-2-(omega-aminoalkyl)-1H-[1,2,4]triazolo[3,4-c][1,4]benzoxazin-1 -ones of the formula ##STR1## where n and -NRR are as defined in the specification, e.g., 2-[4-[4-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)piperadinyl]butyl]-2,4-dih ydro-1...
10/15/1985
4537888Substituted benzoxazine derivatives and fungicidal use
Novel Substituted benzoxazine derivatives of the formula ##STR1## in which X is oxygen or suophur, and R1 and R2 each independently is hydrogen, alkyl, alkoxy, akylthio, halogenoalkyl, alkanoyl, aroyl, halogen, cyano, nitro, nitroso,...
08/27/1985
44926974H-Imidazo[2,3-c]pyrido[2,3-e][1,4]oxazine derivatives
The invention discloses novel 4H-imidazo[2,3-c]pyrido[2,3-e][1,4]oxazine derivatives, processes for their preparation, pharmaceutical compositions thereof and methods for using the compounds. The compounds of this invention are useful in the treatment of ...
01/08/1985
4443447Phenyl-substituted tricyclic antibacterial agents
Antimicrobial compounds of the following formula are disclosed: ##STR1## wherein X is selected from the group consisting of --O--, --CH2 and ##STR2## m is 0 or 1; R1 is selected from the group consisting of hydrogen, nitro,...
04/17/1984
4335129Thiazolo[3,2-6]isoquinolines, compositions and use thereof
Nitrogen containing heterocyclic compounds shown by the formula ##STR1## wherein Y represents an oxygen atom, a sulfur atom, or a group shown by ##STR2## (wherein m is 1 or 2); n represents 0 or 1; R1 and R4, which may be t...
06/15/1982
43070921-Oxo-5H-pyrimido[2,1-C]benzoxazine-2-carboxylic acid esters
This invention discloses novel 1-oxo-5H-pyrimidol[2,1-c][1,4]benzoxa(or thia)zinc-2-carboxylic acid lower alkyl esters, derivatives thereof, process for their preparation, pharmaceutical compositions thereof and methods for using the compounds. The compou...
12/22/1981
4291032Thiazolo(3,2-C)benzoxazine derivatives
New thiazolo[3,2-c]-1,3-benzoxazine derivatives of the general formula (I), in which X is oxygen or sulfur, R1 and R2, which are identical or different, are hydrogen or halogen atoms or alkyl, alkoxy, alkylthio or trifluoromethyl rad...
09/22/1981
4276292Triazolobenzoxazin-4-ones
New triazolobenzoxazinones are described as well as the use thereof as anti-allergenic agents....
06/30/1981
42541213-Oxo-5H-pyrimido[2,1-c][1,4 ]benzoxazines
3-Oxo-5H-pyrimido[2,1-c][1,4]benzoxazine derivatives, optionally substituted with a hydroxymethyl, carboxy or loweer alkoxycarbonyl at position 1 and optionally substituted at positions 8 or 9, with a lowr alkyl or halo are disclosed. The derivatives are ...
03/03/1981
42541181-Oxo-5H-pyrimido[2,1-c][1,4]benzthiazine-2-carboxylic acid esters
This invention discloses novel 1-oxo-5H-pyrimido[2,1-c][1,4]benzoxa(or thia)zine-2-carboxylic acid lower alkyl esters, derivatives thereof, process for their preparation, pharmaceutical compositions thereof and methods for using the compounds. The compoun...
03/03/1981
4224323Method for lowering serum uric acid
A method for lowering serum uric acid is disclosed which comprises administering to a human for its uricosuric activity a pharmaceutical composition comprising 7-chloro-2-methyl-3,3a-dihydro-2H,9H-isoxazolo (3,2-b) (1,3)-benzoxazin-9-one. 7-chloro-2-methy...
09/23/1980
4207318Novel imidazobenzoxazines
Novel imidazobenzoxazines of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, halogen and alkyl of 1 to 5 carbon atoms, R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, and an equival...
06/10/1980
4145419Novel imidazobenzoxazines
Novel imidazobenzoxazines of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, nitro, NH2 and a protected amino Z is selected from the group consisting of --COOR, and ##STR2## R is selected from th...
03/20/1979
4134974Imidazo[5,1-c][1,4]benzoxazin-1-one
Cyclic derivatives of 1,4-benzoxazine and 1,4-benzothiazine are disclosd, such as, for instance, 1H,2,3,3a,4-tetrahydro-2-carbamoylmethyl-imidazo[5,1-c][1,4]benzoxazin-1-o ne and 1H,2,3,3a,4-tetrahydro-2-carbamoylmethyl-8-chloro-imidazo[5,1-c][1,4]ben...
01/16/1979
4035495Pyrrolobenzoxazines, pyrrolobenzothiazines and process therefor
4H-Pyrrolo[2,1-c][1,4]benzoxazines and 4H-pyrrolo[2,1-c]-[1,4]benzothiazines characterized by having an alkylamine substituent at position 4 are disclosed. The compounds are characterized further by having an alkyl substituent on the same carbon atom...
07/12/1977
4012511Oxazinoindole derivatives useful as antidepressants
Oxazinoindole derivatives characterized by having an amino(lower)alkyl radical attached to the 1 position of a 1H-1,4-oxazino[4,3-a]indole nucleus are disclosed. The amino portion of the amino(lower)alkyl radical may be further substituted with one or two...
03/15/1977
3984548Substituted pyrido[1,2,3,-de]-1,4-benzoxazines as bactericides
Anti-microbial agents which are 2,3-dihydro-3-substituted-7-oxo-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxy lic acids are prepared by condensation of benzoxazines with ethoxymethylene malonate esters followed by ring closure with poly phosphoric acid and ...
10/05/1976
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