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Class 548/471 - Nitrogen bonded directly to ring carbon of the five-membered hetero ring


Subclass of Class 548 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein nitrogen is bonded directly to ring carbon
No. of patents: 77
Last issue date: 10/04/2011


1    
NumberTitleIssue Date
8030500Substituted isoindoles for the treatment and/or prevention of Aβ- related pathologies
The present invention relates to novel compounds of formula (I) and their pharmaceutical compositions. In addition, the present invention relates to therapeutic methods for the treatment and/or prevention of Aβ-related pathologies such as Downs syndrome, β-amyloid...
10/04/2011
7585982Methods for producing isoindole derivatives
The present invention relates to a method for producing an isoindole derivative (compound (II)) with the following general formula (II): (wherein R1 and R2 each independently represents a C1-6
09/08/2009
7375236Methods for producing cyclic benzamidine derivatives
In the present invention, the methods of producing a fluorinated cyclic benzamidine derivative (A), or a salt thereof, comprise the step of reacting a specific novel compound with ammonia or imide. The methods of this invention for producing a morpholine-subs...
05/20/2008
72447302-iminopyrrolidine derivatives
A 2-iminopyrrolidine derivative represented by the formula: {wherein ring B represents a benzene ring, pyridine ring, etc.; R101–R103 represent hydrogen, halogen, C1-6 alkyl, et...
07/17/2007
7038730Matched pulse shaping filter
A communications receiver receives a signal which has not been filtered by a matched pulse shaping filter. In the receiver, a circuit element processes the received signal and as a part of that process introduces additional linear distortion into the processed recei...
05/02/2006
7023489Method and device for detecting the parity of successive fields of an interlaced video signal
Successive values of a horizontal phase of a video signal are determined a predetermined integer number of video lines after the successive occurrences of vertical synchronization pulses. The successive values of a parity bit are updated according to the successive ...
04/04/2006
6660741Asymmetric synthesis of (S,S,R)-(-)-actinonin and its analogs and uses therefor
The present invention provides methods for the asymmetric synthesis of (S,S,R)-(-)-actinonin and its analogs and the compounds thereby synthesized having a structural formula: ##STR1## where R1 is an optionally substituted or halogenated al...
12/09/2003
6376530Cyclic amidines useful as NMDA NR2B antagonists
The invention encompasses novel compounds of Formula I as well as a method of treating NMDA mediated diseases comprising administration to a patient in need of such treatment a non-toxic amount of a compound of Formula I effective to block the NMDA NR2B r...
04/23/2002
6340691Alkynyl containing hydroxamic acid compounds as matrix metalloproteinase and tace inhibitors
Compounds of the formula ##STR1## are useful in treating disease conditions mediated by TNF-଱, such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease and degenerative cartilage loss....
01/22/2002
6262302N-(aryl/heteroaryl/alkylacetyl) amino acid amides, pharmaceutical compositions comprising same, and methods for inhibiting ଲ-amyloid peptide release and/or its synthesis by use of such compounds
Disclosed are compounds which inhibit ଲ-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed pharmaceutical compositions comprising a compound which inhibits ଲ-amyloid pep...
07/17/2001
62520771-(N'-(arylalkylaminoalkyl) aminoisoquinolines; a new class of dopamine receptor subtype specific ligands
Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable salts thereof wherein the 6-membered A ring may be optionally substituted with up to four groups independently selected from halogen, hydroxy, lower alkyl, or lower alkoxy;...
06/26/2001
62457681-(N'-(arylalkylaminoalkyl)) aminoisoindoles; a new class of dopamine receptor subtype specific ligands
Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable salts thereof wherein the 6-membered A ring may be optionally substituted with up to four groups independently selected from halogen, hydroxy, lower alkyl, or lower alkoxy;...
06/12/2001
6153652N-(aryl/heteroaryl/alkylacetyl) amino acid amides, pharmaceutical compositions comprising same, and methods for inhibiting ଲ-amyloid peptide release and/or its synthesis by use of such compounds
Disclosed are compounds which inhibit ଲ-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed pharmaceutical compositions comprising a compound which inhibits ଲ-amyloid pep...
11/28/2000
6063924Soluble chromophores containing solubilising groups which can be easily removed
Compounds of formula A(B)x (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxa...
05/16/2000
6060606Dipyrromethene metal chelate compounds
An optical recording medium having at least a recording layer and a reflective layer on a substrates, the said recording layer contains a dipyrromethene metal chelate compound obtained from a dipyrromethene compound represented by the general formula (1) ...
05/09/2000
60310971-(N-(arylalkylaminoalkyl) aminoisoquinolines; a new class of dopamine receptor subtype specific ligands
Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable salts thereof wherein the 6-membered A ring may be optionally substituted with up to four groups independently selected from halogen, hydroxy, lower alkyl, or lower al...
02/29/2000
5994143Polymeric fluorophores enhanced by moieties providing a hydrophobic and conformationally restrictive microenvironment
Fluorescent conjugates suitable for use in flow cytometry and other biological applications. The fluorescent conjugates comprise an antibody having a polymeric dye bound thereto. The polymeric dye is preferably enhanced by a hydrophobic and conformational...
11/30/1999
5955618Circuit for generating field identification signal and method therefor
A field identification signal generating circuit for a receiver for receiving a high-definition signal, and a method therefor. According to the method, a first correlation value is calculated, between the high-definition signal and a first reference signa...
09/21/1999
59327291-(N'-(arylalkylaminoalkyl)) aminoisoindoles; a new class of dopamine receptor subtype specific ligands
Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable salts thereof wherein the 6-membered A ring may be optionally substituted with up to four groups independently selected from halogen, hydroxy, lower alkyl, or lower al...
08/03/1999
5716446Isoindoline pigments based on aminoquinoxalinediones
Novel isoindoline pigments of the formula (I): ##STR1## in which R1 is --CN; R2 is --CN or a saturated or unsaturated, aromatic or non-aromatic, 5- to 7-membered heterocyclic ring system which can be modified by fusion or bridgi...
02/10/1998
56021681-(N'-(arylalkylaminoalkyl)) aminoisoindoles; dopamine receptor subtype specific ligands
Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable salts thereof wherein the 6-membered A ring may be optionally substituted with up to four groups independently selected from halogen, hydroxy, lower alkyl, or lower al...
02/11/1997
5559247Carboxylate and heat-sensitive recording material using same
A carboxylate is herein disclosed which is represented by the formula (1) or (2) ##STR1## wherein a ring X is an aromatic residue which may have a substituent; the other substitutents are as defined herein. A heat-sensitive recording material co...
09/24/1996
5554633Substituted amines as tachykinin receptor antagonists
Compounds of formula (I), and salts and prodrugs thereof, wherein Q is optionally substituted phenyl or benzhydryl; X and Y are each H or together form a group=O; Z is O, S or NR9, where R9 is H or C1-6 alkyl; R1
09/10/1996
5516789Lipoxygenase and cyclooxygenase inhibiting compounds
Compounds having the structure ##STR1## or a pharmaceutically acceptable salt thereof have activity as inhibitors of cylooxygenase and 5-lipoxygenase, reduce the biosynthesis of leukotrienes B4, C4, D4, and E4
05/14/1996
5484901Isoindolineazo pigments
Isoindolineazo pigments of the general formula I ##STR1## where A is the radical of an active-methylene compound or .dbd.S; L is substituted or unsubstituted 1,4-phenylene, 1,3-phenylene or 1,5-naphthylene; K is the radical of a coupling component K--H; a...
01/16/1996
5387694Chromogenic methylenepyrrolines
The present invention relates to chromogenic methylenepyrrolines and processes and intermediates for their preparation and to their use. The chromogenic methylenepyrroline compounds according to the invention have the formula (I) defined in claim 1. These colo...
02/07/1995
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
5162518Heterocyclic compounds and porphyrin compounds obtainable therefrom
Porphyrins of the formula ##STR1## in which the substituents have the meaning given in the description are obtained by heating compounds of the formula ##STR2## if appropriate in the presence of compounds of the formula ##STR3## The po...
11/10/1992
5091532Process for the preparation of pigments based on isoindole
A new process for the preparation of pigments of the formula ##STR1## comprises first reacting phthalodinitrile in an organic medium in the presence of a base with an alcohol and then with a compound of the formula ##STR2## in the presence of wa...
02/25/1992
4997740Electrophotographic toners with substituted 3-amino-1-imino-isoindolenine salts
The invention relates to positively charged electrophotographic toners which, in addition to customary resin and pigment particles, contain an additive which intensifies the cationic charge, of the general formula ##STR1## wherein R1 and R...
03/05/1991
4988711HMG-CoA reductare-inhibiting N-substituted N-amino-pyrroles
Inhibiting HMG-CoA reductase, as in treating hyperlipopproteinaemia, lipoproteinaemia and arteriosclerosis, with the new N-substituted N-amino-pyrroles of the formula ##STR1## in which R1 is an organic radical, R2 is an aryl or ...
01/29/1991
4879293Pyrrols [3,4-8]pyrazine derivatives, their production and use as anti-anxiety agents
The compound of the formula ##STR1## wherein X is a cyclic group which may optionally be substituted; Y is a carboxyl group which may optionally be esterified or amidated; Z is --CH.dbd.CH--CH.dbd.CH--, --S--(CH2)l --S-- is an i...
11/07/1989
4865650Novel compositions based on tetrachloroisoindolinone pigments
Composition of matter containing: (a) a compound of the formula I ##STR1## in which A is one of the groups of the formulae ##STR2## in which B is --O--, --S--, --SO2 --, --N.dbd.N--, --CH2 --, --CH.dbd.CH--, --O--CH2...
09/12/1989
48107172-hydroxypropylamine aryl ester derivatives
Novel compounds of the general formula ##STR1## wherein Ar represents a substituted or unsubstituted aromatic or heterocyclic group; W represents alkylene of from 1 to about 10 carbon atoms; and B represents --NR2 COR1, --NR
03/07/1989
4786646Cyclopropylpropenamides
The invention relates to compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH2)n --(X)m --(CH2)r --, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0...
11/22/1988
4785114Quinophthalone dyes
Quinophthalone dyes of the formula ##STR1## where X is O or NC--C--R, where R is cyano, unsubstituted or N-substituted carbamyl, carboalkoxy, quinazolonyl, quinoxalinonyl, benzimidazolyl or benzothiazolyl and the rings A, B, the quinoline system and/...
11/15/1988
4777168Bicyclic benzo-oxy heterocyclic ethers and thioethers, pharmaceutical compositions and use
A class of bicyclic benzo-oxy heterocyclic ether and thioether compounds exhibiting parmacological activity, including anti-secretory and anti-ulcerogenic activity, pharaceutical compositions comprising these compounds, and methods for the treatment of ga...
10/11/1988
4764217Novel compositions based on isoindoline pigments
Composition containing (a) an isoindoline pigment of the formula I ##STR1## and (b) a compound of the formula II ##STR2## Pigment mixtures of this kind, in particular when used in paints, are distinguished in particular by increased tinctorial...
08/16/1988
4751314Preparation of tetrachloro-3-iminoisoindolin-1-one
Tetrachloro-3-iminosisoindolin-1-one (I) or its alkali metal salt (Ia) is prepared by reacting tetrachloro-ortho-phthalodinitrile with lithium hydroxide, sodium hydroxide and/or potassium hydroxide in substantially anhydrous tert-butanol and, if desired, ...
06/14/1988
4746740Isoindoline colorants
Isoindoline colorants of the formula ##STR1## where the radicals R independently of one another are each methyl or ethyl, give neutral yellow colorations when incorporated into surface coatings. The colorations do not darken on weathering and, compar...
05/24/1988
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