Matches 1 - 50 out of 84 1 2 >
Match Document Document Title
7235699 Alkoxy-substituted indanes and the production thereof  
The present invention relates to alkoxy-substituted indanes, their preparation and use and to the preparation and use of the corresponding alkoxy-substituted indanones.
6794547 Process for the synthesis of aryl alkyl monoethers  
The invention relates to a process for the synthesis of aryl alkyl monoethers by reaction of a phenol compound, comprising one or more hydroxyl groups attached to the aromatic system, and of a...
6706930 Process for the preparation of halogenated hydroxydiphenyl compounds  
There is described a process for the preparation of halogenated hydroxydiphenyl compounds of formula (1) by acylation of a halogenated benzene compound (first stage), etherification of the acylated...
6586599 Catalyzed coupling reactions of aryl halides with silanes  
A process for conducting coupling reactions of aryl halides with unsaturated silanes is described. The processes use N-heterocyclic carbenes as ancillary ligands in these coupling reactions. A...
6566571 Method of producing biaryls  
Process for preparing monofunctional, bifunctional and/or polyfunctional biaryls of the formula (I) Ar—Ar′ (I) by reacting haloaromatics of the formula (II) Ar—X (II) with boron compounds...
6548722 Process for the preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst  
A process for Friedel-Crafts type liquid-phase alkylation or acylation of an aromatic compound using a hydrotalcite-type basic anionic clay catalyst represented by a formula: [(M 2− ) 1−x (M...
6512147 Apparatus and process for generating mixed multi-component vapor  
A mixed liquid of two or more components different in boiling temperature from each other and soluble in or compatible with each other is evaporated into a mixed vapor having a similar composition...
6479709 Process for the production of styrene derivative  
A process for the production of a styrene derivative is provided. The process comprises reacting a Grignard reagent prepared from an aromatic halogen compound with a vinyl halide in the presence of...
6472567 Process for the production of styrene compound, and styrene compound free from biphenyl  
A process for the production of a styrene compound is provided. The process comprises reacting a Grignard reagent prepared from a tertiary butoxyphenyl halide with a vinyl halide in the presence of...
6417410 Method for producing ortho-alkylated phenols  
A method for producing ortho-alkylated phenols comprising reacting phenols represented by the general formula (1) with monohydric or dihydric alcohol in the presence of germanium oxide under...
6407292 Preparation of alkylated diphenyl oxides  
A continuous process for the manufacture of alkylated diphenyl compounds such as diphenyl ether and diphenyl sulfides by alkylating a diphenyl compound such as diphenyl ether with an olefinic...
6392111 Method for producing olefins  
Olefins containing aromatic substituents are synthesized without the addition of phosphonium salts or phosphanes with the aid of a Pd II compound as a catalyst in the presence of...
6339176 Method for producing 4-methoxymethyl-2,3,5,6-tetrafluorobenzenemethanol  
It provides a production method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzenemethanol to allow 2,3,5,6-tetrafluoro-1,4-benzenedimethanol to react with an inorganic base in water, and then add...
6326520 Optically active compound and method for producing same  
The invention relates to a method for producing a novel optically active compound represented by the general formula [IV]. This method includes the step of reacting a vinyl ether with a halogenated...
6291723 Diolefin/hydroxyaryl condensates and catalyst therefor  
A catalyst composition comprising trifluoromethanesulfonic acid (also referred to as triflic acid) and a sufficient quantity of a substance (also referred to as a retarder) to decrease but not...
6277944 Alkylated and/or aralkylated polyhydroxy aromatic compounds and processes for their preparation and use  
Alkylated and/or aralkylated polyhydroxy aromatic compounds prepared by reaction of a polyhydroxy aromatic compound (A) with an alkylene compound (B) at elevated temperature with the addition of a...
6215035 Process for the preparation of aralkylated aromatic compounds using heterogeneous catalyst  
The invention relates to a process for the preparation of aralkylated aromatic compound with both small and large size aralkylating agents; wherein the catalyst used is heterogeneous solid catalyst...
6215029 Process for the preparation of halogenated hydroxydiphenyl compounds  
A process for the preparation of halohydroxydiphenyl compounds useful for protecting organic materials and articles from microorganisms, of the formula ##STR1## by acylation of a halogenated...
6127511 Preparation process of phenol aralkyl resins  
A preparation process of phenol aralkyl resin from phenol compound and aralkyl compound by controlling the temperature of reaction mass in the range of 70 to 240° C. and simultaneously controlling...
6063940 Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof  
A 1-bromoalkylbenzene derivative is prepared by reacting a phenylalkene derivative with hydrogen bromide in the presence of a non-polar solvent. The phenylalkene derivative is prepared by reacting...
5831102 Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes  
Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically...
5792886 Production of racemic 2-(6-methoxy-2-naphthyl) propionic acid of precursors thereof  
In producing (±)-2-(6-methoxy-2-naphthyl)propionic acid or precursor thereof from 2-bromo-6-methoxynaphthalene, use is made of 2-bromo-6-methoxynaphthalene formed by (a) methylating...
5616713 Process of preparing 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine  
A process of preparing 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine including the steps of acylating 2-methyl-1-penten-1-alkoxy-3-one to obtain 2-alkoxycarbonyl-3,5-dimethyl-4-pyrone;...
5602283 Multi-stage process for preparing N-alkyl-3,4-dialkyl-2,6-dinitroanilines  
A multistage process of preparing N-alkyl-3,4-dialkyl-2,6-dinitroanilines starts from 3,4-dialkyl phenol and goes through the stages of 3,4-dialkyl-2,6-dinitrophenol and 3,4-dialkyl-2,6-ditro...
5552071 Alkylated diphenyl ether lubricants  
Monoalkylated diphenyl oxides are high-temperature stable lubricant fluids having excellent low temperature viscometrics, and excellent additive solubility. These monoalkylated products are...
5396011 Catalytic alkylation of aromatic compounds with alkenes  
An aromatic compound (such as benzene) is alkylated with a alkene (such as propylene) by contacting the two compounds together in the presence of a tungsten on zirconia catalyst. The reaction...
5352845 Process for manufacture of optically active saturated compounds  
A process for manufacturing an optically active saturated compound of the general formula (25): ##STR1## wherein R 20 represents a group for protecting a hydroxy group, R 21 , R 22 , and R 23 ...
5344997 Alkylation of aromatics using a fluorided silica-alumina catalyst  
A fluorided silica-alumina catalyst, particularly one with a silica:alumina ratio in the range of 1:1-9:1 containing from 1 to 6 weight percent fluoride, is particularly effective in the liquid...
5340483 Two step process for conversion of a weakly adsorbable compound to a strongly adsorbable compound and selective removal thereof  
A method for the selective separation of a particular compound from a mixture of compounds, by enzymatically converting a weakly adsorbable compound to a strongly adsorbable compound, and binding...
5276194 Polyfluoroalkylation of aromatic compounds  
A process is provided for the catalytic perfluoroalkylation of aromatic compounds, wherein a perfluoroalkyl iodide or mixture of iodides is reacted with an aromatic compound in the presence of an...
5235115 Preparation of 2-alkoxy-6-ethylnaphthalenes  
A method for the selective ethylation of 2-alkoxy-naphthalene compounds at the 6 position of the naphthalene nucleus is disclosed.
5157158 Alkylation of aromatic hydrocarbons  
A process is described for the alkylation of benzene (in general, aromatic hydrocarbons), with C 2 -C 20 monoolefins in the presence of an aluminum-magnesium silicate catalyst, to give linear...
5072017 Process for the preparation of P-substituted O-benzylphenols  
Para-substituted o-benzylphenols are prepared by reacting p-substituted phenols with benzylating agents in the presence of zeolites of the faujasite type at elevated temperature.
4952736 Process for producing alkoxyalkyl group substituted phenols  
This invention is a process for production of an alkoxyalkyl group substituted phenol represented by the following formula (1) in high yields and at high selectivity: ##STR1## wherein R 1 , R 2 ...
4891448 Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers  
Polycyclic aromatic compounds, such as biphenyl, are alkylated with an alkylating agent, such as propylene, in the presence of an acidic mordenite zeolite catalyst under conditions sufficient to...
4859696 Precutaneous absorption accelerator and preparation containing same  
A percutaneous absorption accelerator and a precutaneous absorbent preparation containing the same and, more particularly, a percutaneous absorption accelerator containing ether derivatives of...
4800186 Regeneration of fluorocarbonsulfonic acid catalysts  
A method of regenerating a deactivated fluorocarbonsulfonic acid polymer catalyst by contacting the deactivated catalyst with a solvent combination wherein a first solvent swells the structure of...
4740630 Chiral phenylether compound  
A chiral phenylether compound having the formula ##STR1## wherein X is a halogen atom; m is an integer from 3 to 5, n is an integer from 3 to 12 and * designates an asymmetric carbon is disclosed....
4668296 Alkylation of diphenyl oxide  
An alkylated diphenyloxide composition is prepared by reacting diphenyloxide with isobutylene in the presence of sulfuric acid and applications for the composition.
4542243 Process for producing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers  
The present invention relates to a process for producing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers having excellent insecticidal and acaricidal activities which are represented by...
4489212 Process for preparing allyl- and 2-chloropropyl- or propenylarene compounds  
Arenes are reacted with allyl chloride to produce allylarenes and 2-chloropropyl- or propenylarenes using a catalyst comprising a metal oxide substrate having tantalum (V) halide/oxide bound to the...
4484007 Process for preparation of arylterpenoid insect maturation inhibitors  
There is provided an improved process for producing biologically active arylterpenoid compounds useful to inhibit eclosion of pupae, e.g., fly pupae or mosquito pupae. The process is characterized...
4406780 Separation and oxygen-alkylation of phenols from phenol-containing hydrocarbonaceous streams  
Properties of phenol-containing hydrocarbonaceous streams are improved by first treating the stream with a C 1 to C 10 alcohol and an acid. If enough alcohol and acid are employed, two liquid...
4395372 Alkylation process  
A process is disclosed for alkylation of benzenes with lower olefins which comprises contacting the benzene and lower olefin with a rare earth exchanged X or Y zeolite catalyst in the presence of...
4371714 Preparation of 4-alkylanisoles and phenols  
A process for the selective alkylation of phenol or its alkyl ethers, in the presence of a particular type of zeolite catalyst, to produce a product rich in 4-alkyl phenyl alkyl ethers (e.g....
4189614 Process for the stereo specific preparation of sexual pheromones  
A process for the stereoselective preparation of sexual pheromones is disclosed. The process involves reacting a compound of the formula ##STR1## in which the conjugated diene is of the trans-trans...
4163864 Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol  
2-METHYL-3-PRENYL-4,5,6-TRIMETHOXYPHENOL OF THE FORMULA: ##STR1## wherein R represents a group of the formula: ##STR2## WHEREIN N IS AN INTEGER OF 0 TO 9 AND A and B represent hydrogen atom or A--B...
4154769 Process for the production of 2-alkoxy-4-propen-1-yl-phenols  
The invention concerns a new process for the production of 2-alkoxy-4-propen-1-yl phenols of the formula ##STR1## in which R represents the methyl or ethyl radical wherein 2-alkoxy phenols of the...
4137272 Process for the manufacture of 2-alkoxy-6-bromo-naphthalenes  
A new process, which can be carried out on the technical scale, had been found for the preparation of 2-alkoxy-6-bromo-naphthalenes, especially suitable as starting compounds for the synthesis of...
4060558 Process for preparing 3-alkyl-4-alkoxy-1-naphthols  
3-Prenyl-substituted-2-alkyl menaquinones are made by reacting an alkali metal salt of a 3-alkyl-4-alkoxy or aralkoxy-1-naphthol with a prenyl halide, and oxidizing the resulting...
Matches 1 - 50 out of 84 1 2 >