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Class 540/529 - Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring


Subclass of Class 540 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which- C - where X is chalcogen (i.e., oxygen,
No. of patents: 53
Last issue date: 12/18/2007


1    
NumberTitleIssue Date
7309497Injectable pharmaceutical composition for systematic administration of pharmacologically active ingredients
The invention relates to novel pharmaceutical compositions for the systemic administration of pharmacologically active ingredients. The invention relates in particular to an injectable pharmaceutical composition comprising (a) a pharmacologically active ingredient i...
12/18/2007
6914140Asymmetric synthesis process
A novel process for the manufacture of compounds of the formula wherein R1 and R2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel p...
07/05/2005
6486151N-oxides of heterocyclic esters, amides, thioesters, and ketones
This invention relates to neurotrophic low molecular weight, small molecule N-oxides of heterocyclic esters amides, thioesters, and ketones having an affinity for FKBP-type immunophilins, and their use as inhibitors of the enzyme activity associated with ...
11/26/2002
6458781Substituted diarylalkyl amides as calcium channel antagonists
The present invention provides compounds that block calcium channels and have the Formula I: ##STR1## The present invention also provides pharmaceutical compositions containing the compounds of Formula I and methods of using them to treat stroke, cer...
10/01/2002
6268530Process to prepare 5-formylvaleric acid
Process to separate linear 5-formylvaleric acid from a mixture of 5- and 3- and 4-formylvaleric acids, wherein the separation is performed by fractional extraction with two immiscible solvents of which one solvent is an aqueous solvent and the other solve...
07/31/2001
6251892N-oxides of heterocyclic esters, amides, thioesters, and ketones
This invention relates to neurotrophic low molecular weight, small molecule N-oxides of heterocyclic esters, amides, thioesters, and ketones having an affinity for FKBP-type immunophilins, and their use as inhibitors of the enzyme activity associated with...
06/26/2001
6160126Synthetic Intermediates for the preparation of N, N'-Di-substituted isothiourea derivatives and N-cyclic(methyl)-N'-Substituted isothiourea derivatives
Novel Intermediates ##STR1## wherein R is a substituted or unsubstituted hydrocarbon residue or acyl group; X is an electron withdrawing group; Y1 and Y2, which are the same or different, are each independently oxygen or sulfur;...
12/12/2000
6069245Asymmetric synthesis of azepines
A novel process for the manufacture of compounds of the formula ##STR1## wherein R1 and R2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel process for making compounds of ...
05/30/2000
6054452N-oxides of heterocyclic esters, amides, thioesters, and ketones
This invention relates to neurotrophic low molecular weight, small molecule N-oxides of heterocyclic esters, amides, thioesters, and ketones having an affinity for FKBP-type immunophilins, and their use as inhibitors of the enzyme activity associated with...
04/25/2000
6054579Synthesis of substituted lactams
The invention relates to an efficient and facile method for the preparation of substituted lactams, as described herein. The method comprises reacting a difunctional component containing an activated carbon, an amine capable of forming an imine with the a...
04/25/2000
6028192Process for the preparation of diacylimides
The present invention relates to a process for the preparation of compounds of the formula 1 ##STR1## by reacting a secondary acid amide of the formula 2 ##STR2## with an acid chloride of the formula 3 ##STR3## in the presence of N,N-d...
02/22/2000
6013606Substituted cinnamic oxime and hydroxamide derivatives
Substituted cinnamic oxime derivatives I and cinnamic hydroxamide derivatives II ##STR1## (R1= halogen, NO2, CN, CF3 ; R2 =H, halogen; R3= H, halogen, C1 -C6 -alkyl, C1...
01/11/2000
5902882Assymetric synthesis of azepines
A novel process for the manufacture of compounds of the formula ##STR1## wherein R1 and R2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel process for making compounds of ...
05/11/1999
5856318Nitrogen-containing cyclohetero cyclo-heteroaminoaryl derivatives for CNS disorders
Certain nitrogen-containing cyclohetero cycloalkylaminoaryl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each o...
01/05/1999
5847123Imide derivatives for inhibiting the production of interleukin-1ଲ and the production of tumor necrosis factor ଱
Imide compounds having a propioloyl group or pharmaceutically acceptable salts thereof which exhibit potent activities to inhibit the production of Interleukin 1-ଲ and also the production of Tumor Necrosis Factor ଱. These imide compounds are u...
12/08/1998
5688944Carbamazepine derivatives
The present invention provides a novel carbamazepine hydrazide compound suitable for covalent attachment to a polymer particle reagent, having the general formula ##STR1## The present invention also provides a novel carbamazepine acid compound s...
11/18/1997
5677444Method for the preparation of ଲ-ketothioamide compound
A novel and simple method is proposed for the synthetic preparation of an N,N-disubstituted ଲ-ketothioamide compound represented by the general formula R1 R2 N--CS--CH2 --CO--R3, in which R1 and R
10/14/1997
5594134Process of synthesizing N-acyl auxiliaries
A process of synthesizing N-acyl auxiliary compounds is disclosed. A compound of the formula: ##STR1## is reacted with an anhydride in the presence of a lithium salt and an amine base to produce the N-acylated auxiliary....
01/14/1997
5510477Process for the acylation of lactams
High quality acyl lactam imides are prepared by reacting an acyl lactam of the formula ##STR1## where 5 carbon atoms and an acylating acid of the formula R'CO2 H or by reacting a lactam, an anhydride of the formula (RCO)2 O wher...
04/23/1996
5308520Heterocyclic compounds useful as additives for lubricant and fuel compositions
Various heterocyclic compounds have been discovered that impart improved fuel economy and friction modification to lubricant and fuel compositions. These heterocyclic compounds of the invention preferably contain nitrogen and may be further reacted with h...
05/03/1994
51551021-alkyl-3-(acylamino)-&3xb5;-caprolactames as enhancers of learning and memory and pharmaceutical compositions containing same
1-alkyl-3-(acylamino)-&3xb5;-caprolactames of formula (1) ##STR1## wherein R is selected from the group consisting of: pyrrolidin-2-one-1-acetyl, p-methoxybenzoyl, N-benzyloxycarbonyl-(S)-prolyl, phenylbutanoyl, 3-trifluoromethylbenzoyl, 3,4,5-trimethoxybenzoy...
10/13/1992
5153316Intermediates for herbicidal phenylimidazolones
The present invention relates to novel phenylimidazolone compounds of the formula ##STR1## wherein A is a bond or C.dbd.T; R is --H, Alk, halo-Alk, cyano-Alk, or phenyl; R1 is --H, Alk, halogen, halo-Alk, --CN; or when A is a bond, R and R...
10/06/1992
5142044Penetration enhancers for transdermal delivery of systemic agents
This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said sy...
08/25/1992
5093031Surface active lactams
The invention relates to properties and uses of N-hydrocarbon substituted lactams, particularly N-alkyl substituted lactams having the formula ##STR1## wherein R' is a hydrophobic radical such as linear or branched chain alkyl group containing from 8...
03/03/1992
5059687Process for the condensation of imides and alcohols or amines
A process for the condensation of imides and alcohols or amines to ester acyl lactams, ester amide acyl lactams or amide acyl lactams by reacting a polyol or polyamine in the liquid phase with an acyl lactam compound is disclosed....
10/22/1991
5043441Compositions comprising 1-substituted azacycloalkanes
This invention provides compositions comprising a physiologically-active agent and a compound having the structural formula ##STR1## wherein each X, Y and Z may represent oxygen, sulfur or two hydrogen atoms, provided however that, when Z represents ...
08/27/1991
50415452-hydroxybenzophenone hydrazides and derivatives thereof
Hydrazide functionalized 2-hydroxybenzophenone ultraviolet light and heat stabilizers and derivatives are disclosed having the general formula: ##STR1## wherein R1, R2, R3, R4, R5, R6, X, Y...
08/20/1991
5021439Cerebral function ameliorating agents related to Tan-950 A
A compound having the formula (I) or (II) ##STR1## wherein R1 is a hydrogen atom or an organic residue bonded via a carbon atom, R2 is a hydrogen atom or a N-protecting group, --COR3 is an optionally esterified or ami...
06/04/1991
4970306Trans-cyclohexane-1,4-diisocyanate which is completely or partially blocked with epsilon-caprolactam: and the manufacture and use of the same
The invention relates to trans-cyclohexane-1,4-diisocyanate which is completely or partially blocked with epsilon-caprolactam and a method of manufacturing the same wherein 1 mole trans-cyclohexane-1,4-diisocyanate is reacted with 1 to 2 moles epsilon-cap...
11/13/1990
4801586Penetration enhancers for transdermal delivery of systemic agents
This invention relates to a method for administering systemically active agents including therapeutic agents through the skin or mucosal membranes of humans and animals in a transdermal device or formulation comprising topically administering with said sy...
01/31/1989
4784782Heterocyclic compounds useful as additives for lubricant and fuel compositions
Various heterocyclic compounds have been discovered that impart improved fuel economy and friction modification to lubricant and fuel compositions. These hetrocyclic compounds of the invention preferably contain nitrogen and may be further reacted with hy...
11/15/1988
4717415Herbicidal compositions of triazinone or triazinedione derivatives and haloalkanoic acid amide synergists
Herbicidal compositions comprising ##STR1## and as a synergist an amide of the formula ##STR2## in which R is halogenoalkyl....
01/05/1988
4692520N-substituted acyl-lactam compound
The invention relates to the N-substituted acyl-lactam compound of the formula: ##STR1## where R' is a bivalent cyclic or non-cyclic alkyl, aralkyl, alkaryl or aryl radical R" a bivalent radical having the following general formula ##STR2## ...
09/08/1987
4692521N-substituted acyl-lactam compound
The invention relates to N-substitutecd acyl lactam compounds of the formula ##STR1## where R is a polyol residue originating from a polyol with the formula R-(OH)x where x is a numberࣘ2 R' a bivalent cyclic or non-cyclic alkyl, aralkyl,...
09/08/1987
4683304Process for preparing an acyl-lactam compound
The invention relates to a process for preparing an acyl-lactam compound characterized in that the reaction product of a lactam with a dicarboxylic acid anhydride is reacted with a polyol at a temperature of 150° C. at most. These acyl-lactam compounds a...
07/28/1987
4644051Catalytic reaction of polyol with bis-acyl lactam
The invention concerns a simple process for preparing an ester acyllactam and/or esteramide acyllactam by the catalytic condensation of imide and alcohol, characterized in that a polyol and an acyllactam compound are reacted in the liquid state in the pre...
02/17/1987
4608201Process for preparing lactam imides
A process for preparing a lactam imide involves reacting together a lactam, a non-volatile carboxyl group-containing material, and an anhydride of a volatile carboxylic acid with the proviso that an appreciable amount of non-volatile carboxyl group-contai...
08/26/1986
4540516Process for the preparation of an N-substituted carbamoyl-lactam compound
The invention concerns a simple, reliable and reproducable process for the preparation of an N-substituted carbamoyl lactam compound, for example of the following formula: ##STR1## where: R is a polyol originating from a polyol having the formula ...
09/10/1985
4540515N-Substituted carbamoyl-lactam compound
The invention concerns an N-substituted carbamoyl-lactam compound characterized by the formula: ##STR1## where in the formula: R is a polyol radical from a polyol having the formula R--(OH)xi, where xi is an integerࣙ2 R' is an...
09/10/1985
4528392Aromatic compounds as antiallergic agents
There are disclosed compounds of the formula ##STR1## wherein X is OR2, SR2, N(R2)2 or halo; W is --CH2 --, ##STR2## Y is --CH2 O--, --OCH2 --, --CH2 S--, --SCH
07/09/1985
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