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Class 560/170 - Oxy, aldehyde or ketone group in acid moiety


Subclass of Class 560 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid radical contains the group -C(=O)X
No. of patents: 293
Last issue date: 03/15/2011


1                
NumberTitleIssue Date
7906676Process for preparing 3-amino-5-fluoro-4-dialkoxypentanoic acid ester
The present invention relates to a novel process for the production of 3-amino-5-fluoro-4-dialkoxypentanoic acid ester used in the precursor of 3-amino-5-fluoro-4-oxopentanoic acid, represented by the following formula (I): wherein R1 and R2 are as defined in the De...
03/15/2011
7888526Acid addition salts of 5-aminolevulinic acid or its derivatives
The present invention provides an acid addition salt of 5-aminolevulinic acid (5-ALA) or of a 5-ALA derivative (e.g. a 5-ALA ester) with an acid which has a pKa of about 5 or less, preferably about 3 or less, with the proviso that the acid is other than hydrochloric...
02/15/2011
7692034Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
The invention relates to novel synthesis methods for the preparation of the intermediates, which are suitable for the preparation of statin derivatives, especially to novel synthesis methods of the intermediate of formula VI wherein Ra and Rc a...
04/06/2010
7687660Process for preparing intermediates of HMG-CoA reductase inhibitors
The present invention relates to intermediates of rosuvastatin and processes for the production thereof. ...
03/30/2010
7671231Process for making amino acids
A process for making an amino acid by the steps of: (a) contacting a compound of formula I with a hydroformylation catalyst and synthesis gas to produce a mixture of aldehyde compounds comprising the formulas IIa, IIb and I...
03/02/2010
7601864Method for synthesizing 4,4-dihalogen-2-(dialkylamino)methylene-3-oxy-alkylbutyrate and derivatives thereof
A method for synthesizing 4,4-dihalogen-2-(dialkylamino)methylene-3-oxy-alkylbutyrate and its derivatives has acts of: (a) providing N,N-dialkylamino-alkyl-acrylate in a reaction vessel; (b) adding organic alkali, organic solvent and multiple molecular sieves into t...
10/13/2009
7504532Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
Synthesis methods for the preparation of intermediates which are suitable for the preparation of statin derivatives, and especially to synthesis methods for the intermediate of formula (VI) wherein Ra′ and Rc′ are each independently of the ...
03/17/2009
7375241Ferrocenyl-1,2-diphosphines, the production thereof and their use
The invention relates to compounds of formula (I) provided in the form of racemic compounds, mixtures of diastereomers or essentially pure diastereomers, wherein R1 represents a hydrogen atom or C1-C4-alkyl, and at least one secondar...
05/20/2008
7358387Method for producing 2-dihaloacyl-3-amino-acrylic acid esters and 3-dihalomethyl pyrazole-4-carboxylic acid esters
The present invention relates to a process for preparing 2-dihaloacyl-3-aminoacrylic esters of the formula (I) by reacting acid halides of the formula (II) with dialkyla...
04/15/2008
7326805Method for the synthesis of 4-hydroxyisoleucine and the derivatives thereof
The invention relates to a method for the synthesis of two isomers, at function OH, alone or in mixtures, of amino acids α or the derivatives thereof, having general formula (B), wherein: linkage C—O of the 4-position carbon (represented by symbol) denotes one or...
02/05/2008
7323609Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alken...
01/29/2008
7317123Process for preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
The invention relates to novel synthesis methods for the preparation of the intermediates, which are suitable for the preparation of statin derivatives, especially to novel synthesis methods of the intermediate of formula VI wherein Ra′ and Rc
01/08/2008
7301031Methods for producing hydroxy amino acids, esters, and derivatives thereof
A method for producing a hydroxy-amino ester, or derivative thereof, is provided. A substituted β-ketodiester having a ketone group and two ester functional groups is contacted with a ketoreductase under conditions permitting the reduction of the ketone group to an...
11/27/2007
72592643-methylamino-1-(2-thienyl)-1-propanone, production and use thereof
The present invention relates to the preparation of 3-methylamino-1-(2-thienyl)-1-propanone and its use for preparing the pharmaceutical (+)-(S)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine oxalate—(trade name Duloxetine®). ...
08/21/2007
7217736Esters of 5-aminolevulinic acid as photosensitizing agents in photochemotherapy
The invention provides compounds for use in photochemotherapy or diagnosis, said compounds being branched alkyl esters or substituted alkyl esters of 5-aminolevulinic acid, or derivatives or pharmaceutically acceptable salts thereof. In particular, the invention pro...
05/15/2007
7199261Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
The invention relates to novel synthesis methods for the preparation of the intermediates, which are suitable for the preparation of statin derivatives, especially to novel synthesis methods of the intermediate of formula VI wherein Ra and Rc a...
04/03/2007
7183240Additives for inhibiting the formation of gas hydrates
The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optio...
02/27/2007
7169953P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
Chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic al...
01/30/2007
7161043Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,...
01/09/2007
7160507Corrosion inhibitors with improved water solubility and improved film persistence
The invention relates to an additive and to a method of corrosion inhibition on devices for the recovery and transportation of hydrocarbons in crude oil recovery and processing by adding an effective amount of an inhibitor. The inhibitor comprises an alkoxylated qua...
01/09/2007
7157596Inhibitors of serine protease activity of matriptase or MTSP1
The present invention provides compounds which inhibit serine protease activity of matriptase or MTSP1. Also provided are pharmaceutical compositions comprising those compounds and methods of using the compounds and pharmaceutical compositions to treat conditions am...
01/02/2007
7105702P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
Chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic al...
09/12/2006
7084089Process for the carbonylation of ethylenically unsaturated compounds, bidentate diphosphine composition used in this process and a process for preparation of this bidentate diphosphine composition
Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,...
08/01/2006
7067689Process for production of pentahydroxyhexylcarbamoyl alkanoic acids
The present invention relates to improved processes for the production of compounds of formula I: ...
06/27/2006
7057038Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids
One aspect of the present invention relates to a method for the kinetic resolution of racemic and diastereomeric mixtures of chiral compounds. The critical elements of the method are: a non-racemic chiral tertiary-amine-containing catalyst; a racemic or diastereomer...
06/06/2006
7056854Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,...
06/06/2006
6992107Esters of 5-aminolevulinic acid and their use as photosensitizing compounds in photochemotherapy
The present invention provides a compound of formula I; R22N—CH2COCH2—CH2CO—OR1  (I) wherein R1 represents (a) an optionally substituted branched C6-30
01/31/2006
6974879Process for preparing single enantiomers of 5,5,5,5′,5′,5′-hexafluoroleucine and protected analogs
A process for synthesizing L and D-5,5,5,5′,5′,5′-hexafluoroleucine and protected analogs is disclosed. These compounds have utility in the preparation of fluorous peptides and proteins, which display interesting and unusual properties including strong self-as...
12/13/2005
6965049Zwitterionic lipid compound and uses thereof
Provided is a zwitterionic lipid compound represented by formula (I) given below: In formula (I), m and n are independently integers of 1 to 4, p is an integer of 7 to 21, one R is NH3+, and each ...
11/15/2005
RE38796Process for producing 3-amino-2-oxo-1-halogenopropane derivatives
Compounds formed by reacting a protected amino acid with an alkali metal enolate of an alkyl acetate are reacted with a halogenating agent for halogenation of the 2-position, or a protected amino acid is reacted with an alkali metal enolate of an alkyl halogenoaceta...
09/13/2005
6855847Process for producing optically active amide from α β- unsaturated amide derivative in the presence of transition metal complex containing phosphine-phosphorane compound and transition metal
A novel process for producing an optically active amide excellent in chemical selectivity and enantioselectivity by asymmetric hydrogenation of an α,β-unsaturated amide and also allowing the reaction to proceed efficiently even when a trace amount of a catalyst is...
02/15/2005
6849756Process for making optically active α-amino ketones and selected novel optically active α-amino ketones
The invention includes selected novel optically active α-amino ketones which either are themselves useful or are intermediates for the preparation of known ketomethylene pseudopeptides useful as antibiotics, antibiotic enhancers, or enzyme inhibitors. Further, the ...
02/01/2005
6777443Dipeptide derivatives
Compounds of the formula wherein R, R1, COOR2, R3-R7, alk, and X have meaning as defined, such being useful as dual inhibitors of angiotensin converting enzyme and neutral endo...
08/17/2004
6743914Kinetic resolutions of chiral 2-and 3-substituted carboxylic acids
One aspect of the present invention relates to a method for the kinetic resolution of racemic and diastereomeric mixtures of chiral compounds. The critical elements of the method are: a non-racemic chiral tertiary-amine-containing catalyst; a racemic or diastereomer...
06/01/2004
6740774Preparation of N-acylamino acid esters and N-acylamino acetals
A process for preparing N-acyl derivatives of the formula I, in which the substituents independently of one another have the following meanings: X is CH(OR3)2, COOR3; R...
05/25/2004
6624142Trimethyl lock based tetrapartate prodrugs
The invention is directed primarily to compounds of Formula I: ##STR1## wherein: R1 is a polymeric residue; L1 is a bifunctional linking group; Y1 and Y2 are independently O, S or NR7 ; R2-...
09/23/2003
6583216Malonic ester-blocked HDI trimer with IPDA stabilization and formaldehyde stabilization
The present invention relates to blocked polyisocyanate cross-linking agents and their use in one-component stoving lacquers, in particular in solvent-containing or predominantly water-based plastics coatings having a soft-feel effect....
06/24/2003
6569967Alkoxyamines derived from ଲ-phosphorous nitroxides
The invention concerns alkoxyamines derived from ଲ-phosphorous nitroxides corresponding to formula (I). Said compounds can be used as (co)polymerization initiators of at least a monomer polymerizable by radical polymerization. ##STR1##...
05/27/2003
65698994-aminobutanoic acid derivatives and drugs containing these derivatives as the active ingredient
Aminobutylic acid derivatives of the formula (I) ##STR1## wherein the symbols are as defined in specification; and non-toxic salts thereof. Because of inhibiting matrix metalloproteinase, the compounds of the formula (I) are useful for prevention and/or t...
05/27/2003
6566552Industrial process for the production of L-carnitine
The present invention describes a process for the industrial production of L-carnitine, comprising the enantioselective reduction of an alkyl 4-chloro-3-oxobutyrate or 4-chloro-3-oxobutyramide. The optically active 3-hydroxy derivative thus obtained is re...
05/20/2003
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