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8916731 Dialkyl and diaryl ether production from metal alcoholate  
A dialkyl or diaryl ether is produced by reacting carbon dioxide with a metal alcoholate having the formula, M(RO)x, where “M” is a Group 1, Group 2, or Group 3 metal; “x” is the valence of the...
8907136 Catalysts and methods for alcohol dehydration  
Provided is a method for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst comprises an...
8722746 Hydroxyphenyl derivatives and biological applications thereof  
The invention relates to hydroxyphenyl derivatives of formula (I); and uses thereof as anti-bacterial and/or anti-parasitic agents.
8399689 Chrysophaentin antimicrobial compounds that inhibit FtsZ protein  
Embodiments of antimicrobial chrysophaentin compounds, pharmaceutical compositions including the chrysophaentin compounds, and methods for using the chrysophaentin compounds are disclosed. Some...
8304550 Process for the catalytic synthesis of diaryl ethers  
Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar′ (I) In which Ar is an aryl or substituted aryl group and Ar′ is an aryl, substituted aryl, heteroaryl or substituted...
7943669 Phenoxy acetic acids as PPAR delta activators  
The present invention describes phenoxy-acetic acids and pharmaceutical compositions containing the same and methods of using the same. The phenoxy-acetic acids are activators of PPAR-δ and should...
7709687 Dicarbanionic initiator, a process for the preparation and use thereof  
The present invention provides a novel dicarbanionic initiator of formula (I). The present process further provides a process for the preparation of dicarbanionic initiator of formula (I)...
7538252 Drug design for tubulin inhibitors, compositions, and methods of treatment thereof  
The present invention relates to a computer-assisted method of a designing of a tubulin inhibitor comprising: a) determining an interaction between a tubulin protein and a chemical known to bind...
7423168 Method for producing allyl compound  
A method for producing an allyl compound having a compositional formula different from that of an allyl starting material compound, which comprises reacting the allyl starting material compound...
7268252 Binaphthol derivatives and their use in optical resolution or optical transformation  
Disclosed herein are novel binaphthol derivatives and methods for the optical resolution of amino acids or amino alcohols and for the optical transformation of D, L-forms of amino acids using the...
7192651 Resin composition and prepreg for laminate and metal-clad laminate  
A resin composition for a laminate, containing at least 10% by weight of a vinyl compound represented by the formula (1), and a prepreg and a metal-clad laminate using the resin composition.
7109164 Aniline-derived ligands for the thyroid receptor  
New thyroid receptor ligands are provided which have the general formula in which: X is —O—, —S—, —CH2—, —CO—, or —NH—;Y is —(CH2)n— where n is an integer from 1 to 5, or cis- or trans-ethylene;R1...
6995195 Vinyl compound and cured product thereof  
There are provided a vinyl compound which is excellent in heat resistance and electric characteristics and excellent in reactivity by introducing a vinyl group into a terminal of a bifunctional...
6762329 Diaryl ether condensation reactions  
One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild...
6689919 Catalysts for oxidative polymerization of fluorophenol, method of oxidative polymerization of fluorophenol, and poly(oxyfluorophenylene) derivative  
The synthesis of fluoropolyarylene ether with a high degree of polymerization is enabled, by using a copper complex catalyst with an oxidation potential in the range of −1V to 2V, for the...
6596907 Process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds  
A description is given of a three-step process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds of formula (1) which comprises: a) hologenating an alkoxyphenol of formula (6)...
6506800 1,4 diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents  
Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds of formula I whereinAr is phenyl, 1- or 2-naphthyl or a 5- or 6-membered heteroaromatic ring all of which aromatic systems may be optionally...
6465687 Thyroid receptor ligands and method  
Novel thyroid receptor ligands are provided which have the general formula (I) where R1 is alkyl of 1 to 4 carbons or cycloalkyl of 3 to 7 carbons; R2 and R3 are the same or different and are...
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...
6288011 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents  
Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds having the structural formula I ##STR1##and compositions and methods comprising those compounds for the control of insect and acarid pests.
6198008 Process for the preparation of 5-bromo-2-fluorobenzeneboronic acid  
A process is disclosed for the preparation of 5-bromo-2-fluorobenzeneboronic acid, which is useful as an intermediate in the preparation of a non-ester pyrethroid compound. The compound can be,...
6166237 Removal of dissolved silicates from alcohol-silicon direct synthesis solvents  
Dissolved silanes, silicones and silicates from solvents used in the slurry phase Direct Synthesis of alkoxysilanes are removed by adding a compatabilizing agent and water to generate filterable...
6143922 Diols and unsaturated monomers  
The present invention relates to a novel composition of diols, said composition of diols comprising HO--(H3 C)R4 C--Q--CR5 (CH3)--OH wherein Q is a diaryl group comprising two aryl groups linked...
6090965 Removal of dissolved silicates from alcohol-silicon direct synthesis solvents  
Dissolved silanes, silicones and silicates from solvents used in the slurry phase Direct Synthesis of alkoxysilanes are removed by adding a carboxylic acid such as formic acid to generate...
5925798 Thoria catalyst  
A more reactive thoria catalyst for the production of diaryl ethers from aromatic compounds, a process for making the catalyst and the use of the catalyst is taught. The thoria catalyst has a...
5849959 Derivatives of 2, 3, 6-trifluorophenols and a process for their preparation  
The present invention relates to compounds of the formula (1) ##STR1## where R is H, a straight-chain or branched alkyl radical with 1 to 6 carbons, a fluorinated straight-chain or branched alkyl...
5786520 O-alkylation of phenolic compounds via rare earth orthophosphate catalysts  
Carbocyclic/aliphatic ethers, for example anisole, quaicol, guaethol, p-methoxyphenol and ethylene dioxybenzene, are selectively prepared, in good yield, by reacting a phenolic compound, for...
5552549 Process for the dechlorination of chlorinated aromatic compounds  
Chlorinated aromatic compounds are dechlorinated in a simple and inexpensive manner by heating them to 300° to 450° C. in a salt melt in the presence of water and/or water vapor and carbon.
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...
5382686 Process for preparing nitrodiphenyl (thio) ethers  
Nitrodiphenyl(thio) ethers in which the nitro group is in the ortho- or para-position with respect to the ether oxygen or ether sulphur can be prepared from halonitrobenzones in which the nitro...
5312930 Fluorinated sulfones/ketones for nonlinear optics  
This invention relates to optical elements capable of second harmonic generation and novel compositions for use in such optical elements comprising polar molecules placed in noncentrosymmetric...
5288922 Process of preparing diaryl ethers over a dealuminated zeolite catalyst  
A process of preparing diaryl ethers, such as diphenyl oxide, involving dehydrating a hydroxy-substituted aromatic compound, such as phenol, over a zeolite catalyst. The preferred zeolites are...
5264511 Polymers of bis (ethynylstyryl) benzene and related monomers  
Monomers, B-stage polymers, C-stage polymers, cured polymers and electricy conducting polymers of acetylene-terminated aromatic monomers containing three benzene rings separated by ethylene groups...
5242996 Modified epoxy resins having acetylenically unsaturated functions  
A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a...
5225436 Aryl substituted naphthalene derivatives  
Certain aryl substituted naphthalene, benzoxepine, benzazepine and henzocycloheptene derivatives are disclosed. The compounds are useful in treating hyperproliferative skin disease, allergic...
5183926 Process for the preparation of aromatic dicarboxylic acids and aromatic hydrocarbons  
Aromatic dicarboxylic acids of the formula ##STR1## in which R1, R2, m, n, and X have the meaning mentioned in the description,can be prepared from the bisphenols, on which they are based, of the...
5167696 Herbicidal aryloxy- and arylamino-indanes  
A compound of formula (I): ##STR1## in which Ar is an optionally substituted aryl or heterocyclic ring system; W is O or NR1 where R1 is hydrogen or lower alkyl; A is CH or >CH2 and G is C--R2,...
5144094 Diaryl ethers by dehydration of phenols  
A composite of tungsten oxide on alumina, zirconia, or titania is active in promoting the dehydration of phenols to afford diaryl ethers if the composite is partially reduced with hydrogen at a...
5132423 Method for conducting organic reactions using guanidinium salt as phase transfer catalyst  
Reactions between a solid polar and a non-polar compound, especially nucleophilic aromatic substitution reactions between an alkali metal salt of a hydroxyaromatic compound or thio analog thereof...
5117002 Preparation of diphenyl ether  
A process for the production of diaryl ethers which comprises heating, to a temperature of 80° C. to 220° C., a compound of the formula ##STR1## wherein X and Y are selected from the group...
5107031 Proces to recover 4-phenoxybiphenyl  
The invention is a process to recover 4-phenoxybiphenyl from a phenoxybiphenyl mixture which includes at least 30% by weight of 4-phenoxybiphenyl, the balance being 2-phenoxybiphenyl,...
5104559 Hydrogen perfluoroalkylaromatic ethers and related compositions and methods  
A lubricating compound having the structure: R1 --Rf --O--Ar--R2wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys,...
5081273 Process for the preparation of insecticidally active diphenyl ether compounds  
This invention relates to a process for the preparation of insecticidally active compounds and to novel styrene derivatives useful as intermediates therein.
5041687 Bromination process  
This invention relates to the process for preparing partially brominated non-condensed ring polyaromatic product. The process comprises forming a reaction mass by adding a substantially...
4990621 Certain propene derivatives as intermediates for the preparation of pesticidal silane derivatives  
New propene derivatives as intermediates for the preparation of pesticidal silane derivatives. Compounds of the formula ##STR1## wherein R4 is H, R5 is a radical of the formula ##STR2## and R17 is...
4982010 Method of producing 4-biphenyl p-tolyl ether  
The use of 1,3-dimethyl-2-imidazolidinone or sulfolane as a reaction promoter is effective in the production of 4-biphenylyl p-tolyl ether, which is useful as a sensitizer for heat-sensitive...
4975451 Insecticidal cyclopropyl di(aryl) 2-butenes  
Compounds of the formula ##STR1## in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; and Ar1 is 3-phenoxyphenyl, 4-fluoro-3-phenoxyphenyl, 2-methyl[1-1'-biphenyl]-3-yl, or...
RE33307 Cyclic hydroxy compounds  
Novel substituted cis-1,2-dihydroxy-cyclohexa-3,5-diene compounds, useful as intermediates in the production of phenols and catechols for use as intermediates in the production of drugs,...
4942264 Process for the preparation of insecticidally active diphenylether compounds  
This invention relates to a process for the preparation of insecticidally active compounds and to novel styrene derivatives useful as intermediates therein.
4937389 Separation of 3,3'4,4'- and 2,3,3',4'-tetramethyldiphenyl ether  
A method of separating 3,3',4,4'-tetramethyldiphenyl ether from its solid mixture with 2,3,3',4'-tetramethyldiphenyl ether.

Matches 1 - 50 out of 133 1 2 3 >