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8889877 Processes for preparing pyridinone carboxylic acid aldehydes  
The present invention relates to the preparation of pyridinone carboxylic acid aldehydes such as 5-methoxy-6-(methoxycarbonyl)-4-oxo-1-(2-oxoethyl)-1,4-dihyd ropyridine-3-carboxylic acid.
8580967 Methyl 3-(benzyloxy)-1-(2,2-dihydroxyethyl)-4-oxo-1,4-dihydropyridine-2-carboxylate and processes for the preparation thereof  
The present invention features compounds that are prodrugs of HIV integrase inhibitors and therefore are useful in the delivery of compounds for the inhibition of HIV replication, the prevention...
8039633 Method for producing nicotinic acid derivative or salt thereof  
To provide a method for producing a specific nicotinic acid derivative or a salt thereof. A method for producing a nicotinic acid derivative represented by the formula (I): wherein each of X1 and...
7745631 Process for producing 2-(phenyl methyl thio)-3-pyridine carboxylic acid  
The invention discloses an improved process for producing an intermediate to produce large quantity of 2-(Phenyl methyl thio)-3-pyridine carboxylic acid. The process comprises reacting...
7692020 Process for the preparation of pyridylcarboxylic amides and esters  
The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following...
7511149 Process for the oxidation of certain substituted sulfilimines to insecticidal sulfoximines  
Insecticidal sulfoximines are produced efficiently and in high yield by the oxidation of the corresponding sulfilimine with ruthenium tetraoxide or an alkali metal permanganate.
7371866 Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis  
A process for catalytically oxidizing alkylaromatic compounds of the formula (I) Ar—CH2—R where Ar is an optionally substituted, aromatic or heteroaromatic 5-membered or 6-membered ring or a ring...
6486318 Single pot process for preparing metal picolinates from alpha picoline  
The present invention relates to a single pot process for the preparation of metal picolinates useful as dietary supplement from alpha picoline, said process comprising hydrosulphonation of alpha...
6403789 Method of halogenating hydroxyl group  
A halogenating agent of the formula (1) and a method of halogenating hydroxyl group wherein R1 and R2 are the same or different and are each ethyl, propyl, isopropyl, butyl, isobutyl or allyl; X...
6392050 Process for preparing substituted pyridines  
The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the...
6320053 Preparation of heteroarylcarboxamides  
The invention relates to a process for the preparation of hetero)aryloxyheteroarylcarboxylic amide or ester of formula VI ##STR1## wherein A1, A2, A3, A4, A5 Hal, X, R1, and R4 are defined within,...
6204276 Dicarboxylic germanium complex and its therapeutic use  
A germanium complex of germanium and an aromatic or nono-aromatic, carbocyclic or heterocyclic dicarboxylic acid, e.g. germanium bis(pyridine-2,6-dicarboxylate) has anti-infectious,...
6200933 6-(Nonsubstituted or substituted) phenoxy picolinic acids, process of preparing the same, and agricultural/horticultural germicides containing the same  
An agricultural or horticultural fungicide containing 6-(unsubstituted or substituted) phenoxy picolinic acid represented by the general formula (I), as an effective ingredient. ##STR1##wherein R...
6194567 Halogenating agent and process for halogenating hydroxyl group  
A halogenating agent of the formula (1) and a method of halogenating hydroxyl group ##STR1##wherein R1 and R2 are the same or different and are each ethyl, propyl, isopropyl, butyl, isobutyl or...
6169183 Process for preparing pyridinecarboxylic esters  
A process for preparing pyridinecarboxylic esters of the general formula: ##STR1##wherein R1 is hydrogen, a C1-6 -alkyl group, a C1-4 -alkoxycarbonyl group, a C1-4 -alkoxymethyl group or a...
6136754 Intermediates for pyridyl-thiazoles and their use to protect plants against infections by micro-organisms  
New pyridyl-thiazoles of the formula ##STR1## and new intermediates of the formulae ##STR2## in which all variables have the meaning given in the description.All compounds and their salts and acid...
6103906 Process for the preparation of 2,6-pyridinedicarboxylic acid esters  
A process for the preparation of 2,6-pyridinedicarboxylic acid esters of the general formula: ##STR1## wherein R1 is a C1 -C6 -alkyl group, a C3 -C6 -cycloalkyl group, an aryl group or an...
6090824 Therapeutic neurokinin receptor antagonist compounds  
Compounds of formula I ##STR1## wherein Q1, Q2, Q3, and Q4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide...
5728837 Method of obtaining nicotinic acid  
A method has been developed for preparing nicotinic acid with a yield of 82-86% mol, in which method there is no formation of harmful gas wastes and liquid wastes.The process is carried out by...
5708177 Process for the preparation of optically active ortho-substituted 4-aryl-dihydropyridines  
The invention relates to a process for the preparation of optically active ortho-substituted 4-aryl- or heteroaryl-1,4-dihydropyridines by oxidation and subsequent reduction from their opposite...
5700944 Process for the production of pyridinecarboxylic acids  
A process for the production of a pyridinecarboxylic acid by the air-oxidation of an alkylpyridine in a liquid phase, in which the conversion of the alkylpyridine is high, the yield of the...
5693819 Process for the selective mono-ortho-hydroxyalkylation of 4-substituted pyridine derivatives  
A process is described for the selective mono-ortho-hydroxyalkylation of 4-substituted pyridine derivatives. In this case a nucleophilic hydroxyalkylation is carried out on the protonated pyridine...
5614636 Process for the preparation of 2,4-pyridine dicarboxylic acid  
A process for the preparation of carboxamides of nitrogen-containing aromatic heterocyclic compounds from the corresponding N-heterocyclic compounds by reaction thereof with formamide in the...
5534635 Process for preparing pyridine-2-carboxamides  
It has been found that pyridine-2-carboxamides of the formula ##STR1## wherein R is amino or a residue convertible into amino, and pharmaceutically usable acid addition salts of that carboxamide...
5380861 Process for preparing pyridine 2-carboxamides  
It has been found that pyridine-2-carboxamides of the formula ##STR1## wherein R is amino or a residue convertible into amino, and pharmaceutically usable acid addition salts of that carboxamide...
5166352 Pyridinecarboxylic acid chlorides from (trichloromethyl)pyridines  
Pyridinecarboxylic acids and their acid chloride, aliphatic ester and alkylamide derivatives are prepared by passing vapors of a (trichloromethyl)pyridine compound, such as...
5155271 Process for the alkylation of aromatic amines  
The invention relates to a process for the preparation of compounds of the formula ##STR1## in which Q is substituted or unsubstituted C1 -C6 alkyl, A is a direct bond or a bridging member, s is...
5081224 Process for production of olefin-terminated polyesters  
This invention relates to processes for producing an olefin-terminated polyester. In one of the processes which comprises reacting an olefin-terminated diester compound with a lactone in the...
RE33478 Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods  
Certain novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, derivatives thereof and related compounds are described. More specifically, these novel compounds bear a...
4970313 Optically active 3-demethylmevalonic acid derivatives, and intermediates  
A process for the preparation of optically active 3-de-methylmevalonic acid derivatives, and intermediates A process for the preparation of optically active 3-de-methylmevalonic acid derivatives...
4940808 Process for ozonization of unsaturated organic compounds  
A process for the ozonization of unsaturated organic compounds in a reaction column through which the unsaturated compounds--in solution in a protic solvent--and an ozone-containing carrier gas...
4820823 Process of producing α-keto acids  
In accordance with a process of the present invention, α-keto acids of the general formula RCOCOOH wherein R is aryl, alkenyl or heterocyclic group, can be obtained through one-step carbonylation...
4792606 Process for the preparation of dimeric aromatic acyl cyanides  
A process for the preparation of a dimeric aromatic acyl cyanide of the formula ##STR1## in which Ar is optionally substituted phenyl, naphthyl or hetaryl,comprising reaction an acyl halide of the...
4723016 Preparation of anhydrous organic acid salts  
One-step process for preparing anhydrous, organic acid alkali or alkaline earth metal salts by contacting and reacting an organic or polymeric acid fluoride, anhydride or ester and an organic...
4691050 Carbonylation process for the production of aromatic dicarboxylic acids  
The present invention provides a process for the preparation of aromatic dicarboxylic acids by the carbonylation of aromatic diiodides. The aromatic diiodides are reacted with carbon monoxide in...
4678509 Certain pyridyloxy or thio-phenoxy-propanoic acids or salts thereof useful as herbicides  
Certain novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, derivatives thereof and related compounds are described. More specifically, these novel compounds bear a...
4647691 Process for preparing ethyl and n-propyl esters of carboxylic acids from methanol, syngas and carboxylic acid using a new catalyst system  
Ethyl and n-propyl esters of carboxylic acids are prepared in good yield from methanol, syngas and a carboxylic acid by contacting a mixture of the carboxylic acid, carbon monoxide, hydrogen and...
4612386 Process for making esters  
Carboxylic acid esters are produced by the reaction of a carboxylic acid halide with a carbonate ester in the presence of an initiator. The reaction of a dicarboxylic acid dihalide and a bis(alkyl...
4549025 Process for oxidizing aldehydes to carboxylic acids  
Carboxylic acids having the general formula: R--COOHwherein R is selected from the group consisting of aryl, aralkyl, aralkenyl, aralkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl,...
4537970 Process for the preparation of esters or salts of aromatic or etheroaromatic acids  
This invention relates to the preparation of esters or salts of aromatic or etheroaromatic acids having formula Y--Ar--CO--OR (I), where: Ar represents an aromatic group constituted by one or more...
4517369 Preparation of mixtures rich in 3,4,5,6-tetrachloro-2-trichloromethyl pyridine  
Preparation of mixtures rich in 3,4,5,6-tetrachloro-2-trichloromethyl pyridine by chlorinating 3,4,5-trichloro-2-trichloromethyl pyridine, 3,5-dichloro-2-trichloromethyl pyridine or...
4496736 Process for the preparation of carboxylic acids and N-tert.-alkylamines  
Carboxylic acids and N-t.-alkylamines can be prepared simultaneously by the alkaline pressure hydrolysis of N-t.-alkyl carboxylic acid amides. A 5 to 50% strength by weight aqueous solution of an...
4440946 Production of esters from aldehydes using a silver/cadmium/zinc/zirconium catalyst  
This invention is a process for producing a carboxylate ester which involves contacting mixtures of alcohol and aldehyde in vapor phase with a reduced silver-cadmium-zinc-zirconium catalyst...
4419515 Two stage process for preparing 2,6-pyridinedicarboxylic acid  
This invention relates to a two stage process for preparing 2,6-pyridinedicarboxylic acid or dipicolinic acid from 2,6-dimethyl-pyridine through oxidation of the latter in an acid environment with...
4414410 Process for preparing alkyl esters by homologation of the next lower alkyl ester  
Alkyl esters, such as ethyl acetate, are prepared by contacting the corresponding next lower carbon number alkyl ester, such as methyl acetate, with carbon monoxide and hydrogen in the presence of...
4395566 Solvent-free esterification of carboxyaromatics  
An improved process for exterifying carboxyaromatics is disclosed wherein an anhydride of a carboxyaromatic, such as pyromellitic dianhydride, is reacted with a fluorinated alcohol and an epoxide...
4336384 Preparation of 4-amino-3,5,6-trichloropicolinic acid  
In a new method of producing 4-amino-3,5,6-trichloropicolinic acid 3,4,5,6-tetrachloropicolinonitrile is reacted with ammonium hydroxide, preferably at about 130° C. to about 160° C. The free acid...
4334074 Method of recovering 3,6-dichloropicolinic acid from basic aqueous solutions of salts thereof  
3,6-Dichloropicolinic acid, a highly active plant growth regulator, is recovered from basic, aqueous solutions thereof by acidification with HCl in the presence of a flocculant, separating the...
4237301 Two stage process for preparing 2,6-pyridin-dicarboxylic acid  
This invention relates to a two stage process for preparing 2,6-pyridin-dicarboxylic acid or dipicolinic acid from 2,6-dimethyl-pyridine through oxidation of the latter in an acid environment with...
4217457 Highly selective oxidizing process for preparing pyridin-carboxylic acids  
A highly selective oxidation process for preparing pyridin-carboxylic acids from pyridine compounds nucleus substituted with alkyl groups, through a carbon-carbon bond, and oxidizable to carboxyl,...

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