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Class 546/71 - Ring nitrogen is shared by two of the cyclos


Subclass of Class 546 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the ring nitrogen of the six-membered
No. of patents: 58
Last issue date: 04/24/2012


1    
NumberTitleIssue Date
8163912Berberine compounds and processes for the preparation of berberine compounds
The invention is directed to berberine compounds and processes for the preparation of berberine compounds through an intramolecular Bischler-Napieralski cyclization. ...
04/24/2012
73752254-cyanocoumarin derivatives and uses thereof
4-Cyanocoumarin derivatives which have a distinct sensitivity to visible light, distinct luminescent ability, and satisfactory applicability for photochemical polymerization, dye lasers, and organic electroluminescent elements. Since most of the derivatives have a f...
05/20/2008
7338720Organic electroluminescent element
An organic electroluminescent (EL) device which uses, as a luminescence-assisting agent, a novel coumarin derivative with a specific structure. The coumarin derivative effectively accelerates in such an organic EL device the transfer of excited energy in a host comp...
03/04/2008
7252892Organic electroluminescence device
An organic electroluminescent (EL) device which contains a novel coumarin derivative composed of a coumarin ring, a naphthalene ring with one or more hydrocarbon groups, and a five-membered hetero ring condensed with the naphthalene ring so as to give an electronic ...
08/07/2007
6924372Benzopyrylo-polymethine-based hydrophilic markers
The present invention relates to the field of optical-fluorescent markers, particularly to benzopyrylo-polymethine-based optical-fluorescent markers. ...
08/02/2005
6897222Pyrido[2,1-a]isoquinoline derivatives
The present invention provides compounds of formula (I): wherein R1, R2, R3, R4, R5 and R6 are as defined in the specification, and pharmaceutically acc...
05/24/2005
6765019Permeable, water soluble, non-irritating prodrugs of chemotherapeutic agents with oxaalkanoic acids
The present invention relates to the field of prodrugs of chemotherapeutic agents and method of use thereof. ...
07/20/2004
6759536Polynucleotides encoding the fkbA gene of the FK-520 polyketide synthase gene cluster
Host cells comprising recombinant vectors encoding the FK-520 polyketide synthase and FK-520 modification enzymes can be used to produce the FK-520 polyketide. Recombinant DNA constructs comprising one or more FK-520 polyketide synthase domains, modules, open readin...
07/06/2004
6727261Pyrido[2,1-A]Isoquinoline derivatives
The present invention provides compounds of formula (I) wherein R1, R2, R3, R4, R5 and R6 are as defined in the specification, and pharmaceutically accept...
04/27/2004
6667304Polycyclic azaindole compounds
The invention relates to compound of formula (I): ##STR1## wherein: G1 represents an alkylene chain as defined in the description, A represents ##STR2## R2 and R3 represent hydrogen, alkyl, alkoxy or hydroxy or ...
12/23/2003
6630482CFTR channel activator compounds and pharmaceutical compositions containing same
CFTR channel activator compounds from the benzo[c]quinolizinium family or families of compounds derived therefrom, as well as pharmaceutical compositions containing said compounds, and the uses thereof, particularly for treating cystic fibrosis, are discl...
10/07/2003
65733804-cyanocoumarin derivatives and uses thereof
4-Cyanocoumarin derivatives which have a distinct sensitivity to visible light, distinct luminescent ability, and satisfactory applicability for photochemical polymerization, dye lasers, and organic electroluminescent elements. Since most of the derivativ...
06/03/2003
6495543Polycyclic azaindole compounds
The invention relates to compounds of formula (I): ##STR1## wherein: G1 represents an alkylene chain as defined in the description, A represents ##STR2## R2 and R3 represent hydrogen, alkyl, alkoxy or hydroxy or together f...
12/17/2002
6248884Extended rhodamine compounds useful as fluorescent labels
Extended rhodamine compounds exhibiting favorable fluorescence characteristics having the structure ##STR1## are disclosed. In addition, novel intermediates for synthesis of these dyes are disclosed, such intermediates having the structure ##STR2## I...
06/19/2001
623913913,13A-Didehydroberbine derivatives
The present invention provides a cholesterol biosynthesis inhibitor which specifically inhibits the sterol 14-reductase which is involved in the distal pathway of cholesterol biosynthesis, a compound of formula (1) below and the use of an extract or the c...
05/29/2001
6184228Anti-sickling agents: selection methods and effective compounds
The present invention is directed to a method for selecting compounds for use in treating sickle cell disease in a patient. The method comprises the steps of selecting a first set of HbS ligands from a first group of chemical compounds, selecting from the...
02/06/2001
6028197Dibenzo[a,g]quinolizinium derivatives and the salts thereof
The present invention provides a 5,6-dihydrodibenzo[a,g]quinolizinium derivative and the salts thereof of formula (I) which specifically inhibits the sterol 14-reductase which is involved in the distal pathway of cholesterol biosynthesis, and the use of t...
02/22/2000
6008356Pharmaceutically available protoberberine salts derivatives, and protoberberine salts derivatives, and protoberberine derivatives and salts thereof
The novel compounds of the following chemical formulae (I) and (II) exhibit in vitro antifungal activity against fungi including cutaneous filamentous fungus, such as Epidermophyton, Microsporum, Trichophyton, Sporothrix schenckii, Aspergillus or Candida....
12/28/1999
5932588Camptothecin compounds with combined topoisomerase I inhibition and DNA alkylation properties
Camptothecin compounds having a --CH2 --L group are effective anti-tumor compounds. These compounds inhibit the enzyme topoisomerase I and DNA of associated topoisomerase I-DNA complexes....
08/03/1999
58614214,4-(disubstituted) cyclohexan-1-one monomers and related compounds
This invention relates to derivatives of 4,4-(disubstituted)cyclohexan-1-ones and related compounds which are useful for treating allergic and inflammatory diseases....
01/19/1999
5760029Spirocycle integrin inhibitors
This invention relates to novel heterocycles, including (S)-2-phenylsulfonylamino-3-›››8-(2-pyridinylaminomethyl)-!-1-oxa-2-azaspi ro-›4,5!-dec-2-en-3-yl!carbonylamino! propionic acid, which are useful as antagonists of the ଱v ଲ
06/02/1998
5731317Bridged piperidines promote release of growth hormone
The present invention is directed to certain novel compounds identified as bridged piperidines of the general structural formula: ##STR1## wherein R1, R1a, R2a, R3, R3a,R4, R5, ...
03/24/1998
5702887Long emission wavelength chemiluminescent compounds and their use in test assays
An assay method incorporating at least two different chemiluminescent compounds for detection and/or quantitation of at least two substances in a test sample is described. The synthesis of chemiluminescent reagents or conjugates for use in such methods as...
12/30/1997
5672600Antimicrobial dithiocarbamoyl quinolones
Antimicrobial dithiocarbamoyl quinolone compounds of the general formula: ##STR1## wherein (1) A1, A2, A3, R1, R3, R4, and R6 form any of a variety of quinolone and related heter...
09/30/1997
5631256Antimicrobial quinolone thioureas
Antimicrobial quinolone thiourea compounds of the general formula: ##STR1## wherein (1) A1, A2, A3, R1, R3, R4, and R6 form any of a variety of quinolone and related heterocyclic...
05/20/1997
5620973Tetracyclic condensed heterocyclic compounds and their use
A novel compound of the formula ##STR1## wherein Ar represents a tetracyclic fused heterocyclic group which may be substituted; R1 represents H or a hydrocarbon group which may be substituted; Y represents an amino or nitrogen-containing s...
04/15/1997
56145178-Oxo-5,8-dihydro-6H-dibenzo[a,g]quinolizine-13-propanoic acid derivatives, their preparation and their therapeutic application
A compound of formula (I) ##STR1## wherein X is hydrogen, halogen, C1 -C3 alkyl, trifluoromethyl, or C1 -C3 alkoxy; Y is hydrogen, halogen, C1 -C3 alkyl, or C1 -C3 alk...
03/25/1997
5534521Benzimidazole compounds
This invention relates to compounds useful in treating HT4 and/or HT3 mediated conditions of the formula ##STR1## or a pharmaceutically acceptable salt thereof; pharmaceutical compositions containing the compounds and a method f...
07/09/1996
5470852Tetrahydroprotoberberine quaternary ammonium compounds useful in for treating arrhythmia
A tetrahydroprotoberberine quaternary ammonium compound represented by the formula: ##STR1## wherein R1, R2, R' and X are as defined in the specification. A method of preparing the compound is provided. The compounds can suppres...
11/28/1995
538072912-hetero substituted 6,11-ethano-6,11-dihydrobenzo (b) quinolizinium salts and compositions and method of use thereof
1-Hetero substituted 6,11-ethano-6,11-dihydrobenzo[b]quinolizinium salts, pharmaceutical compositions containing them, and methods for the treatment or prevention of neurodegenerative disorders or neurotoxic injuries utilizing them....
01/10/1995
5298509Octahydronaphthoquinolizines, and methods of making and using thereof
Stereoisomeric substituted and/or unsubstituted octahydronaphthoquinolizines (OHNQs), and derivatives and analogs thereof are provided, including pharmaceutical and diagnostic compositions, as well as methods of making and using these compounds according ...
03/29/1994
5281712Ammonium substituted chemiluminescent labels and their conjugates, and assays therefrom
A novel chemiluminescent labeling compositions comprising an ester or thiolester covalently and jointly bonded to (1) a carbon of a heterocyclic ring or ring system that is susceptible to attack by peroxide or molecular oxygen and (2) an aryl ring or ring...
01/25/1994
5142089Dyes and dye-donor elements for use in thermal dye sublimation transfer
Dye corresponding to the following formula - ##STR1## wherein Z represents CN, COOR1 or CONR2 R3 ; R1, R2 and R3 each independently represents hydrogen, substituted or unsubstituted alkyl, ...
08/25/1992
5137909Indole derivative and method of production thereof
An indole derivative represented by the general formula (I) ##STR1## wherein R is hydrogen, lower alkyl having 1 to 6 carbons, carboxymethyl, or substituted or unsubstituted aralkyl; R1, R2, R3, and R4 may ...
08/11/1992
5049563Annelated indoleketones with an imidazolylalkyl substituent
Annelated indoleketones with an imidazolylalkyl substituent having the formula (2): ##STR1## wherein R1 is alkyl or alkoxy having 1-4 C-atoms, hydroxy, halogen, trifluoromethyl, a group R5 R6 N or R5 R...
09/17/1991
4920221Substituted decahydro-1H-pyrido[1,2-f]phenanthridines and decahydropyrrolo[1,2-f]phenanthridines
1,2,3,4,4a,4b,5,6,7,8,8a,12b-Dodecahydro-7-(oxo, hydroxy or amino)-9-hydroxy-11-(alkyl, alkoxy or alkoxyalkyl)triphenylenes, 2,3,3a,3b,4,5,6,7,7a,11b-decahydro-6-(oxo, hydroxy or amino)-8-hydroxy-10-(alkyl, alkoxy or alkoxyalkyl)-1H-cyclopenta[1]-phe...
04/24/1990
4851416Berban derivatives as ଱2 -adrenergic antagonists
The invention relates to novel racemic or optically active berban derivatives of the formula (I) ##STR1## wherein R1 and R2 represent independently from the other a hydroxyl, straight or branched chain alkoxy group 1 to 6 carbon...
07/25/1989
4814452Enantioselective synthesis of 1,3,4,6,7,12b(S)-hexahydro-2H-benzo[b]furo[2,3-a]quinolizin-2-one
An enantioselective synthesis of 1,3,4,6,7,12b(S)-hexahydro-2H-benzo[b]furo[2,3-a]quinolizin-2-one provides a key intermediate for the preparation of the 댒 -adrenergic antagonist (2R,12bS)-N-(1,3,4,6,7,12-hexahydro-2H-benzo[b]furo[2...
03/21/1989
4645772Levorotatory enantiomers of derivatives of 5,6,13,13a-tetrahydro-8H-dibenzo [A,G]quinolizine, preparative process, pharmaceutical compositions containing them and application
Levorotatory enantiomers of the derivatives of 5,6,13,13a-tetrahydro-8H-dibenzo-[a,g]-quinolizine of formula III ##STR1## wherein R'3 is hydrogen, an aryl or alkyl group or a --OR or --SR moiety wherein R is hydrogen, an aryl or alkyl grou...
02/24/1987
4642373Substituted dodecahydrotripheylenes, and decahydropyrrolo[1,2-f]phenanthridines as CNS agents
1,2,3,4,4a,4b,5,6,7,8,8a,12b-Dodecahydro-7-(oxo, hydroxy or amino)-9-hydroxy-11-(alkyl, alkoxy or alkoxyalkyl)triphenylenes, 2,3,3a,3b,4,5,6,7,7a,11b-decahydro-6-(oxo, hydroxy or amino)-8-hydroxy-10-(alkyl, alkoxy or alkoxyalkyl)-1H-cyclopenta[1]-phe...
02/10/1987
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