Patents in Class 546/327

Matches 1 - 50 out of 107

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Match	Document	Document Title
1	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.
2	7371866	Preparation of aromatic and heteroaromatic carboxylic acids by catalytic ozonolysis A process for catalytically oxidizing alkylaromatic compounds of the formula (I) Ar—CH 2 —R
3	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...
4	6403789	Method of halogenating hydroxyl group A halogenating agent of the formula (1) and a method of halogenating hydroxyl group wherein R 1 and R 2 are the same or different and are each ethyl, propyl, isopropyl, butyl, isobutyl or...
5	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...
6	6320053	Preparation of heteroarylcarboxamides The invention relates to a process for the preparation of hetero)aryloxyheteroarylcarboxylic amide or ester of formula VI ##STR1## wherein A 1 , A 2 , A 3 , A 4 , A 5 Hal, X, R 1 , and R 4 are...
7	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,...
8	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 ...
9	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 R 1 and R 2 are the same or different and are each ethyl, propyl, isopropyl, butyl, isobutyl...
10	6169183	Process for preparing pyridinecarboxylic esters A process for preparing pyridinecarboxylic esters of the general formula: ##STR1## wherein R 1 is hydrogen, a C 1 -6 -alkyl group, a C 1 -4 -alkoxycarbonyl group, a C 1 -4 -alkoxymethyl group or a...
11	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...
12	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 R 1 is a C 1 -C 6 -alkyl group, a C 3 -C 6 -cycloalkyl group, an aryl group or an...
13	6090824	Therapeutic neurokinin receptor antagonist compounds Compounds of formula I ##STR1## wherein Q 1 , Q 2 , Q 3 , and Q 4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide...
14	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...
15	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...
16	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...
17	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...
18	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...
19	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 in...
20	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 in...
21	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...
22	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 C 1 -C 6 alkyl, A is a direct bond or a bridging member, s...
23	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...
24	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...
25	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 of...
26	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 and...
27	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...
28	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...
29	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...
30	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...
31	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...
32	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...
33	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...
34	4549025	Process for oxidizing aldehydes to carboxylic acids Carboxylic acids having the general formula: R--COOH wherein R is selected from the group consisting of aryl, aralkyl, aralkenyl, aralkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl,...
35	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...
36	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...
37	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...
38	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...
39	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...
40	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...
41	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...
42	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...
43	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...
44	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...
45	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,...
46	RE29981	Process for preparation of organic carboxylic acids A process for the preparation of organic carboxylic acids which comprises converting a formic acid ester expressed by the general formula HCOOR wherein R stands for a chain or cyclic aliphatic...
47	4138488	Diphenylmethyl picolinic acid derivatives and their use as anti-acne agents Disclosed herein are substituted diphenylmethyl picolinic acids, pharmaceutically acceptable salts, amides and esters thereof. The compounds disclosed are useful as topical anti-acne agents.
48	4129566	Derivatives of dehydrocyclicimino acids New compounds which have the general formula ##STR1## ARE USEFUL AS HYPOTENSIVE AGENTS.
49	4123433	2-Cyano-5-(substituted triphenylmethyl) pyridines Disclosed herein are novel 5-tritylpicolinic acids, amides, esters and pharmaceutically acceptable salts thereof. Also disclosed are methods for the use of said novel compounds as anti-acne agents.
50	4087431	Preparation of 3,6-dichloropicolinic acid 3,6-Dichloropicolinic acid is prepared by reacting 3,5,6-trichloro-4-hydrazino picolinic acid with from 2 to 3 moles of a basic reagent per mole of the picolinic acid reactant, acidifying the...

Matches 1 - 50 out of 107

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