U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 544/346 - Ring nitrogen is shared by two of the cyclos (e.g., ergot, alkaloids, etc.)


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which a ring nitrogen is a member of two of
No. of patents: 165
Last issue date: 10/07/2008


1          
NumberTitleIssue Date
7432267Fused cyclic modulators of nuclear hormone receptor function
Disclosed are compounds having the formula (I): including compounds of formulae (Ia) and (Ib): wherein G is an optionally substituted aryl or heterocyclo, L is an optional linker,...
10/07/2008
7420056Substituted bicyclic imidazo-3-ylamine compounds
Substituted bicyclic imidazo-3-yl-amine compounds are provided, as well as processes for the production thereof and pharmaceutical formulations containing these compounds. The use of these compounds for the production of pharmaceutical formulations and related metho...
09/02/2008
7268215Photoprotein derived from okinawan squid and gene encoding the photoprotein
By using a bioluminescence, a method for detection of a monovalent cation is provided and the method is a high sensitive and simple method. According to the present invention, an amino acid sequence of symplectin and a base sequence encoding the protein are provided...
09/11/2007
72084945HT2c receptor agonists
The present invention provides piperazine derivatives of formula (I) as well as pharmaceutically acceptable salts and esters thereof, wherein R1 to R5 have the significance given in the desc...
04/24/2007
7202245Substituted 4-amino[1,2,4]triazolo[4,3-a] quinoxalines
The present invention provides compounds of formula (I) the prodrugs thereof, and the pharmaceutically acceptable salts of the compounds and prodrugs, wherein Ra, Rb, R1, and R
04/10/2007
7144887Substituted 1,2,3-triazolo[1,5-a]quinazolines for enhancing cognition
The present invention provides a compound of formula (I) in which R1 is generally hydrogen or CF3, R2 is generally hydrogen, W is a cyclic amine, a heterocycle or a group L-Y—X where L-Y is a linking portion and X is generally an a...
12/05/2006
7109351Fused pyrrolecarboxamides; GABA brain receptor ligands
Substituted pyrrolecarboxamide compounds are disclosed. These compounds are highly selective agonists, antagonists or inverse agonists for GABAA brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAA brain receptors ...
09/19/2006
7098229(+)-1-(3,4-Dichlorophenyl)-3-azabicyclo[3.1.0]hexane, compositions and uses thereof
The present invention relates to (+)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane and pharmaceutically acceptable salts thereof, compositions comprising (+)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane or a pharmaceutically acceptable salt thereof, and metho...
08/29/2006
70983382,3,4,4a-tetrahydro-1H-pyrazino(1,2-a) quinoxalin-5(6H)one derivatives
This invention provides compounds of formula I, wherein R is hydrogen or alkyl of 1–6 carbon atoms; R′ is hydrogen, alkyl of 1–6 carbon atoms, acyl of 2â€...
08/29/2006
70983371,2,3,4,9,9a-hexahydro-2,4a,5-triaza-fluorene and 1,2,3,4-tetrahydro-2,4a,5-triaza-fluorene derivatives
The present invention relates to compounds of formula (I) as well as pharmaceutically acceptable salts, solvates and esters thereof. These compounds can be used to prepare pharmaceutical compositions for the trea...
08/29/2006
7060694High potency dihydroergotamine compositions
The present invention is directed to improved formulations for dihydroergotamine in which the drug is present at a concentration of at least 2.9 mM. The invention encompasses methods for using these formulations in treating patients for migraine headaches and the pa...
06/13/2006
6998485Polyazido compounds
The compound 3a,8a-bis-azidomethyl-3a,4,8a,9-tetrahydro-3H,8H-bis-[1,2,3]triazolo[1,5-a;1″,5″-d]pyrazine, whose structure is depicted below, is disclosed: ...
02/14/2006
6967202Method of synthesizing diketopiperazines
The invention provides a method of synthesizing a diketopiperazine of the formula: wherein: R1 is —CH2COR3, or —CH2CH2COR
11/22/2005
6953801Melanin concentrating hormone receptor ligands: substituted 1-benzyl-4-aryl piperazine analogues
Melanin concentrating hormone receptor ligands (especially 1-benzyl-4-aryl-piperazines, 1-benzyl-4-aryl-piperidines and related compounds), capable of modulating MCH receptor activity, are provided. Such ligands may be used to modulate MCH binding to MCH receptors i...
10/11/2005
6933294Thiophene-based tricyclic compounds and pharmaceutical compositions comprising same
Compounds having the formula (I), and pharmaceutically-acceptable salts, hydrates and prodrugs thereof, are useful as anti-inflammatory agents, in which R1, R2, and R3 are hydrogen, hal...
08/23/2005
6869955Tetrahydropteridines and pyridylpiperazines for treatment of neurological disorders
Corticotropin releasing factor (CRF) antagonists of formula I: and their use in treating anxiety, depression, and other psychiatric and neurological disorders. ...
03/22/2005
6759524Photoprotein derived from okinawan squid and gene encoding the photoprotein
By using a bioluminescence, a method for detection of a monovalent cation is provided and the method is a high sensitive and simple method. According to the present invention, an amino acid sequence of symplectin and a base sequence encoding the protein are provided...
07/06/2004
6723721CRF receptor antagonists and methods relating thereto
Compounds are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, including stroke. The compounds of this invention have the following structures: ...
04/20/2004
6673927Farnesyl transferase inhibitors
The present invention is directed to compounds of the ##STR1## wherein the variables are as defined in the specification. The compounds are useful for inhibiting farnesyl transferase and for the treatment of tumors and restenosis....
01/06/2004
6653470Process for the preparation of 1,4,7,10-tetraazacyclododecane
1,4,7,10-Tetraazacyclodecane, a precursor for the synthesis of macrocylic chelating agents for metal ions such as gadolinium, is prepared efficiently as a highly pure product on an industrial scale....
11/25/2003
6638934Substituted pyrazinoquinoxaline derivatives as serotonin receptor agonist and antagonists ligands
The present invention is directed to novel compounds represented by structural Formulas (I) and (I-a): ##STR1## or a pharmaceutically acceptable salt thereof, wherein R1, R4a, R4b, R5, R6, R7
10/28/2003
6630472Compounds, pharmaceutical compositions, and methods for stimulating neuronal growth and elongation
Compounds that inhibit the peptidyl-prolyl isomerase (rotamase) enzyme activity of the FK-506 binding protein (FKBP) and compositions comprising these compounds are described. The FKBP-inhibiting compounds have a bicyclic [3.3.1], [4.3.1] or polycyclic az...
10/07/2003
6624159Heterocycle carboxamides as antiviral agents
The present invention provides a compound of formula I ##STR1## which is useful as antiviral agents, in particular, as agents against viruses of the herpes family....
09/23/2003
65555385-arylsulfonyl-imidazo[1',2':1,6]pyrido[2,3-b]pyrazine-6-amines and related compounds
This application is directed to a compound of Formula I ##STR1## wherein a, X, R1, R2, R3 and R4 are as defined herein, useful in the treatment of respiratory, allergic, rheumatoid, body weight regulation, infla...
04/29/2003
6545149Synthesis and crystallization of piperazine ring-containing compounds
The present invention is directed to methods for the preparation of piperazine ring-containing compounds, particularly mirtazapine. According to the present invention, the mirtazapine intermediate 1-(3-carboxypyridyl-2)-4-methyl-2-phenyl-piperazine is mad...
04/08/2003
6531475CRF receptor antagonists and methods relating thereto
CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, such as stroke. The CRF receptor antagonists of this in...
03/11/2003
6514984Treatment for alzheimer's disease
A method is disclosed for the prevention and treatment of Alzheimer's disease by administering to a human in need thereof an effective amount of a substituted tricyclic sPLA2 inhibitor....
02/04/2003
6492364Triazolo and derivatives as chemokine inhibitors
Novel triazolo derivatives represented by the following formula and pharmaceutically acceptable salts thereof, as well as chemokine inhibitors containing the same as an effective component. These are useful as therapeutic agents for allergic diseases such...
12/10/2002
6489315Cyclic compounds, their production and use
Novel compounds of the following general formula or salts thereof. ##STR1## wherein Ring M is a heterocyclic ring having --N.dbd.C
12/03/2002
6465465Process for the treatment of erectile dysfunction and product therefor
The invention relates to the use of pyrido[3,2-e]-pyrazinones of formula 1 as inhibitors of phosphodiesterase 5 for the treatment of erectile dysfunction (impotence)....
10/15/2002
6451796Fused pyrazine compounds
The compound of the formula (I): ##STR1## wherein all the symbols are meaning the same as descriptions of the specification; and salts thereof. The compounds of the formula (I) have inhibitory activity of adhesion molecules expression, and are useful for ...
09/17/2002
6423715Thiazolobenzoheterocycles, their preparation and medicaments containing them
Compounds of formula (I): ##STR1## their racemates, enantiomers, diastereoisomers and inorganic acid salts and organic acid salts thereof, processes for preparing them and the medicaments containing them are discussed....
07/23/2002
6399609Therapeutic usage of tetrahydropteridines and pyridylpiperazines for treatment of neurological disorders
Corticotropin releasing factor (CRF) antagonists of formula I: ##STR1## and their use in treating anxiety, depression, and other psychiatric and neurological disorders....
06/04/2002
6348466CRF receptor antagonists and methods relating thereto
Compounds are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, including stroke. The compounds of this invention have the following s...
02/19/2002
6251905Tricyclic compounds, their production and use
Tricyclic compound of the formula: ##STR1## wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optiona...
06/26/2001
6242437Cephem derivatives
A compound represented by the following formula (I) is disclosed. This compound has potent antimicrobial activity against a wide spectrum of bacteria from Gram-positive bacteria to Grame-negative bacteria including ଲ-lactamase producing bacteria. In...
06/05/2001
6239133Imidazoquinoxaline protein tyrosine kinase inhibitors
Novel imidazoquinoxalines and salts thereof, pharmaceutical compositions containing such compounds, and methods of using such compounds in the treatment of protein tyrosine kinase-associated disorders such as immunologic disorders....
05/29/2001
6235740Imidazoquinoxaline protein tyrosine kinase inhibitors
Novel imidazoquinoxalines and salts thereof, pharmaceutical compositions containing such compounds, and methods of using such compounds in the treatment of protein tyrosine kinase-associated disorders such as immunologic disorders....
05/22/2001
6124287Imidazo[1,2-a]quinoxalin-4-amines active as adenosine antagonists, process for their preparation and pharmaceutical compositions thereof
Imidazo[1,2-a]quinoxalin-4-amines derivatives of formula (I) ##STR1## are described, and salt thereof active as adenosine antagonists and a process for their preparation and pharmaceutical compositions containing them as therapeutically active compou...
09/26/2000
6121265Heterocyclic substituted imidazoloquinoxalinones, their preparation and their use
Imidazoloquinoxalinones of the formula ##STR1## where R1 -R5, A and B have the meanings stated in the description, and their preparation are described. The novel substances are suitable for controlling diseases....
09/19/2000
1          
 
Sign InRegister
Username  
Password   
forgot password?