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8058464 |
Isotopically labeled chemically stable reagents and process for the synthesis thereof
A radioisotope labeled reagent includes a compound having the general formula (I) where a in each occurrence independently is a carbon mass number between 11 and 14 inclusive, b in each occurrence...
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8039656 |
2-phenylpropionic acid derivatives and pharmaceutical compositions containing them
4-(trifluoromethanesulfonyloxyphenyl)propionic acid derivatives and pharmaceutical composition containing such compounds are useful in inhibiting the chemotactic activation of neutrophils (PMN...
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7964749 |
Process for obtaining valine derivatives useful for obtaining a pharmaceutically active compound
The invention provides a method for obtaining the intermediate (II), useful for manufacturing Valsartan and a drug directed to a treatment of arterial hypertension or heart failure. The process...
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7714157 |
Process for preparing a biaryl compound
A process for preparing an optically active biaryl compound the formula (4): which comprises reacting an aromatic sulfonic acid ester compound of the formula (1): with an organic boron compound of...
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RE41151 |
Protected forms of pharmacologically active agents and uses thereof
In accordance with the present invention, there are provided normal modified forms of nonsteroidal anti-inflammatory drugs. Modified NSAIDs according to the invention provide a new class of...
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7601861 |
Method for producing alkylaryl compounds and alkylaryl sulphonates
In a process for preparing alkylaryl compounds by reacting a C10-14-monoolefin mixture with an aromatic hydrocarbon in the presence of an alkylation catalyst to form alkyl aromatic compounds and if...
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7569714 |
Antistatic and antidust agents, compositions thereof, and methods of manufacture
A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or...
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7566799 |
Process for the preparation of alkylaryl compounds and sulfonates thereof
The preparation of alkylaryl compounds takes place, inter alia, by a1) preparation of a C4 -olefin mixture from LPG, LNG or MTO streams, b 1) reaction of the C4-olefin mixture obtained in this way...
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7312350 |
Process for preparing arylalkynes
The invention relates to a process for preparing arylvinyl halides and sulphonates and arylalkynes by reacting haloaromatics or aryl sulphonates with vinyl halides or sulphonates in the presence of...
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7125642 |
Sulfonates, polymers, resist compositions and patterning process
A sulfonate compound having formula (1) is novel wherein R1 to R3 are H, F or C1-20 alkyl or fluoroalkyl, at least one of R1 to R3 contains F. A polymer comprising units derived from the sulfonate...
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7026478 |
Iron catalyzed cross coupling reactions of aromatic compounds
A process for the production of compounds Ar—R1 by means of a cross-coupling reaction of an organometallic reagent R1-M with an aromatic or heteroaromatic substrate Ar—X catalyzed by one or sev...
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6987198 |
Acid generator and thin film composition containing the same
The present invention relates to the compounds generating strong acids (described hereafter as “acid generators”) decomposed by heat and the composition of thin film containing the same. Pro...
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6864017 |
Method of preparing lithium complex salts for use in electrochemical cells
The invention relates to a method of preparing lithium complex salts and their intermediaries and to the use of these in electrolytes.
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6576782 |
Halogenation of protected phenols in meta position
The invention concerns a halogenation in position meta of a phenol fuction. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously...
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6562542 |
Image-forming material and novel sulfonic acid ester derivative
An image-forming material is described, comprising on an support an acid-generating agent selected from a sulfonic acid ester of a specific structure generating an acid by the action of heat and...
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6448431 |
Production of aryl carboxylate esters
Disclosed is a process for the preparation of aryl carboxylate esters by the reaction of a phenol reactant with an esterification agent selected from carboxylic acid anhydrides and carboxylic acid...
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6414020 |
Amidino protease inhibitors
Amidino and benzamidino compounds, including compounds of the formula: wherein R1-R4, R6-R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically...
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6248573 |
Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same
An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R1 and R2 represent a lower alkyl group, etc., or R1 and R2 may form together an alkylene group,...
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6248883 |
Methods of purifying lithium salts
Provided are methods of purification of an organic lithium salt comprising the steps of: (a) dissolving an impure organic lithium salt in a solution comprising an organic complexing solvent; (b)...
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6194586 |
Selective sulphonation of the primary alcohol of a diol containing both primary and secondary alcohols
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6191265 |
Thermomigrationfast azo dyes
Azo dyes of the formula ##STR1##wherein the substituents are each as defined in the description, are useful for dyeing and printing synthetic textile materials.
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6153585 |
Arylsulfonanilide derivatives
The invention provides compounds, compositions and methods relating to novel arylsulfonanilide derivatives and their use as pharmacologically active agents. The compositions find particular use as...
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6106994 |
Production process of polyphenol diesters, and positive photosensitive compositions
A process for producing a polyphenol diester comprises esterifying a polyphenol compound and a naphthoquinone-1,2-diazidesulfonyl halide in the presence of for example monomethyldicyclohexylamine,...
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5891909 |
Amidinohydrazones as protease inhibitors
Amidino and benzamidino compounds, including compounds of the formula: ##STR1## wherein R1 -R4, R6 -R9, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or...
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5880151 |
Pentafluorobenzenesulfonamides and analogs
The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find...
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5708018 |
2-aminoindans as selective dopamine D3 ligands
Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of Formula I: ##STR1## wherein R1 and...
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5670691 |
Method for making a substituted benzene compound
A method for making a substituted benzene compound includes reacting a 2-substituted benzenesulfonate or the 2-substituted benzenesulfonate further substituted in the 3, 4 or 5-position with a...
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5596122 |
Use of disulfonyl methanes for the control of parasites
The present invention is directed to disulfonyl methane compounds for the control of parasites in vertebrate animals.
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5563174 |
Hydrazone compound and insecticide containing said compound as active ingredient
A hydrazone compound of the general formula (I): ##STR1## wherein X is halogen; R1 is hydrogen, optionally substituted C1 -C4 alkyl or optionally substituted C1 -C4 alkoxy; R2 's are independently...
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5260428 |
Agent for the detection of substances with hydrolase activity
A process for the detection of substances with hydrolase activity in a sample by mixing the sample with a hydrolase substrate and an oxidising agent, and the evaluating the resultant colour...
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5248828 |
Method for preparing sulfones
A method for preparing a sulfone represented by the following formula: ##STR1## wherein R' represents a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent...
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5200544 |
Resist materials
A class of resist compositions sensitive to deep ultraviolet radiation includes a resin sensitive to acid and a composition that generates acid upon exposure to such radiation. A group of...
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5198571 |
Monofunctionalization of phenolic hydroxy onto a polyphenol
A region-specific monofunctionalization of a phenolic hydroxy onto a polyphenol for the preparation of a compound of the formula ##STR1## wherein R is selected from the group consisting of...
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5194651 |
Tosylation of alcohols
A process is disclosed for the preparation of aliphatic toluenesulfonates. The process comprises reacting a solution of an aliphatic alcohol and an alkali metal hydroxide in a solution of an...
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5164527 |
Preparation of aromatic compounds
Acylation or sulphonylation of aromatic compounds, one of which is selected from aromatic carboxylic and sulphonic acids and esters and anhydrides thereof, using an aluminosilicate catalyst having...
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5117031 |
Active esters used for production of esters or amides and process for producing esters or amides
This invention is characterized by synthesizing an active ester represented by the general formula ##STR1## using an active esterifying agent consisting of a sulfonium salt represented by the...
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5095132 |
Use of surfactants in phenol sulfonate dehydration
A process for dehydrating phenol sulfonate salts by azeotropic distillation of water wherein a surfactant such as sodium dodecylbenzene sulfonate is used to prevent the salts from agglomerating and...
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5091560 |
Method for synthesizing acyloxycarboxylic acids
A method for synthesizing an acyloxycarboxylic acid by providing a reaction chamber, establishing sources of an α-hydroxycarboxylic acid and an acid chloride, and repeatedly contacting ...
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4837307 |
[1,1'-biphenyl]compounds having a 2,2'-(alkyl)bridge and a 3-yl(substituted)methyl substituent
A 2,2'-bridged[1,1'-biphenyl]-3-ylmethyl compound of the following formula is an intermediate to insecticidal esters. ##STR1## wherein n is 1-4 and Y is a leaving group readily displaced by...
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4760183 |
Process for the preparation of aromatic dialkylamines
A process for the preparation of aromatic dialkylamines of the formula (1) ##STR1## in which R denotes an alkyl-C1 -C6 group, X and Y each denote a hydrogen, fluorine or chlorine atom or a...
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4736055 |
Oxime sulfonates containing reactive groups
Oxime sulfonates of formula I ##STR1## wherein Y is a polymerizable unsaturated group or epoxide group or an --OH, --NHR5, --COOH, COOR6, --COCl, --CH2 Hal, --SO2 Cl or --NCO group, Z is an...
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4659855 |
Aryl sulfonyl fluoride compounds
Certain novel aryl sulfonyl fluorides, their preparation, and their use in inhibiting serine proteases with chymotrypsin-like and elastase-like specificity.
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4567004 |
Process for the preparation of monomethyl-substituted methylene compounds
Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R1 and R2 independently of one another represent --CN, --CO--R3, --SO2 --R3...
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4528367 |
Method and intermediates for preparing high purity 3,3'-azo-bis-(6-hydroxy benzoic acid)
A method of preparing 3,3'-azo-bis-(6-hydroxy benzoic acid) of formula I ##STR1## and salts thereof in at least 98% purity for treating inflammatory intestinal diseases. According to the invention...
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4421739 |
Benzylidene-camphors, processes for their preparation and cosmetic compositions containing them
The invention provides compounds which are particularly valuable for use as the active ingredient in sun tan lotions and creams and the like. These compounds have the general formula: ##STR1## in...
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4407760 |
Method for the preparation of difluoromethoxyaromatic compounds
A method for the preparation of difluoromethoxyaromatic compounds which are useful intermediates for the preparation of pyrethroid pesticides. The method comprises alkylating a p-substituted phenol...
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4385004 |
Esters of ortho-allylphenol useful for the preparation of arylacetic acid derivatives
New compounds of the formula (VIIIa) are disclosed ##STR1## wherein R1 is hydrogen, methyl or ethyl; R2 is hydrogen, fluoro, or alkyl having 1 to 4 carbon atoms; R3 is hydrogen, phenyl, alkoxy...
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4349378 |
Compounds useful as pesticides
Sulphonanilides of formula ##STR1## and salts thereof, wherein R1 represents alkyl or certain other groups; R represents alkylene or alkenylene; A represents --COR12 or a carbonyl derivative or...
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4336267 |
Heart active compounds and methods of use
This invention relates to novel compounds of the general formula ##STR1## Representative compounds within the scope of the invention are ##STR2## The compounds are disclosed as being useful for...
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4325887 |
Isocyanatoaryl sulfonic acid esters
The instant invention relates to a process for the production of isocyanates in which tert.-alkyl urethanes are reacted with phosgene and to isocyanatoaryl sulphonic acid esters obtainable for the...
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