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4904409 Optically active-1-(2-halogen-substituted-phenyl)-ethanol and its derivative  
An optically active compound having characteristics necessary for realizing liquid crystal compositions provided with suitable characteristics, particularly a negative temperature characteristic...
4894181 Carbocyclic compounds  
Carbocyclic compounds of the formula I ##STR1## wherein Q is a benzene or cyclohexane ring or a naphthalene system, X is in each case --CH2 --(CH2)p -- where it is also possible for one or two...
4870199 Processes for the synthesis of diprotected R[R*,S*]-3,5-dihydroxy-6-oxohexanoate esters  
Process for the synthesis of compounds of the formula ##STR1## in R[R*,S*] enantiomeric form, wherein each P1 is independently an hydroxy group-protecting group, and R2z is C1-4 alkyl, benzyl or...
4867903 Fluoroalkane derivative  
A fluoroalkane derivative represented by the formula: ##STR1## wherein R denotes an alkyl group having 1-16 carbon atoms, C* denotes an asymmetric carbon atom, R1 denotes an alkyl or alkoxy group...
4866198 Calixarene derivatives and use as accelerators in adhesive compositions  
Novel Calixarene derivatives useful as accelerators in cyanoacrylate adhesive compositions are represented by the formula ##STR1## wherein m+n=4,6 or 8 n=an integer greater than or equal to 1/2...
4859800 Phenoxyacetate peracid precursors  
A perhydrolysis system is provided which includes peroxyacid precursors and a source of peroxygen. Upon dissolution in water these compositions provide high yields of a novel peroxyacid having the...
4845264 Phenoxycarboxylic acid and herbicide comprising it as active ingredient  
A novel phenoxycarboxylic acid of formula (I) is disclosed. The compound is effective as herbicide for eradicating broad-leaved weeds. A combination of the phenoxycarboxylic acid and a...
4837355 Process for the synthesis of phenoxyalkane derivatives  
The invention concerns a process for the synthesis of a compound of formula I ##STR1## wherein: U and V may be chosen from a range of substituents including hydrogen, halogen, alkyl and alkoxy; R1...
4786731 Resolution of enantiomers of 2-(phenyl or phenoxy/propionic acids using optically active alkanolamines  
A method for the chromatographic resolution and analysis of the enantiomers of 2-(phenyl or phenoxy)propionic acids or the C1 -C4 alkyl esters thereof which comprises converting a racemic or...
4783535 Chemical intermediates in the preparation of aromatic-1,4-oxazepinones and thiones  
A process for the preparation of 1,4-oxazepinones and thiones having the formula: ##STR1## wherein A is an aromatic ring selected from benzene, naphthalene, quinoline or pyridine; n is 1 to 3; Z...
4778931 Certain [3-(1-hydroxy hexyl-tetrahydro)naphthalenes], the corresponding naphthalenes having anti-inflammatory and anti-allergic activity  
The invention relates to several aryloxy-alkane alcohols, for example 1-(3-(1-hydroxy-1-methylhexyl) phenoxy methyl)-2-methoxy-naphthalene, 2-(1-(3-(1-hydroxy-2,2-dimethylhexyl)phenoxy)ethyl...
4776875 Functional acetic acid derivatives containing phosphorus and herbicidal, growth-regulating agents containing them  
Compounds of the formula ##STR1## in which R1 and R2 denote alkyl, OH, CF3 or cyanoethyl, A preferably denotes --COOH, R3 denotes inter alia alkoxycarbonylalkoxy, fairly high-molecular (>C12)...
4767880 Process for racemizing optically active alpha-phenoxypropionic acid and derivatives thereof  
Optically active enantiomers of alkyl α-phenoxypropionates, and of derivatives thereof, can be racemized in good yields and without formation of decomposition products with the aid of an alkali...
4766220 Process for the preparation of optically active aryloxyalkanoic acid compounds  
The invention relates to the preparation of optically active aryloxyalkanoic acid derivatives of the formula ##STR1## in which Ar represents an optionally substituted phenyl, naphthyl, phenoxy or...
4760172 Process for the preparation of optically active 2-(4-methoxyphenoxy) propionic acid  
A process for the preparation of optically active 2-(4-methoxyphenoxy)propionic acid of at least 75 percent enantiomeric excess of the desired optical isomer comprised of contacting...
4750931 Certain 3,5-disubstituted-2-pyridyloxy-fluorophenoxy-alkanoic acids, derivatives thereof and herbicidal properties  
Certain novel fluorophenoxy compounds, principally aryloxyfluorophenoxyalkanoic acids and derivatives thereof, are described. More specifically, these novel compounds bear 1 to 4 fluorine...
4739101 Method for the preparation of fibrates  
The present invention relates to a method for the preparation of fibrates of the formula I according to the mechanism: ##STR1## in which R1 represents especially a halogen atom (in particular F,...
4731466 Hydroxyphenyl- and hydroxyphenoxyalkanoic acid iodopropargyl esters  
The invention concerns compounds having the formula ##STR1## wherein R1, R2, R3, R4 can mean identical or different radicals in any desired position on the benzene ring, namely fluoro, chloro,...
4717417 Certain 2-pyridyloxyphenoxypropanoic acid esters having herbicidal activity  
New dextrorotatory enantiomers of phenoxy propionic acid derivatives of the formula ##STR1## in which R1 represents a radical of the formula ##STR2## wherein X1 represents hydrogen or halogen, X2...
4713486 Novel compounds  
A compound of formula (I): ##STR1## or a salt, ester or amide thereof, in which Y is a group --O(CH2)m --, --(CH2)m -- or --CHCH-- where m is an integer of from 1 to 5 n is an integer of from 4...
4709083 Method of making boron analogues  
A method of synthesizing boron analogues of choline and choline related mrials is disclosed. The method comprises reacting N,N dimethylethanolamine with hydrogen chloride or an acid chloride to...
4701466 Dibenz[be]oxepin-acetic acid derivatives, the preparation thereof and their application in therapy  
Compounds of general formula ##STR1## in which R1, taken separately, denotes a hydrogen atom or a C1 -C4 alkyl group, and R2, taken separately, denotes a hydrogen atom, a C1 -C4 alkyl group or a...
4699995 Arachidonic acid analogues, processes for their preparation and their use in medicine  
A compound of formula (I): ##STR1## or a salt thereof, in which Y is a group--O(CH2)m CH<, --(CH2)m CH<, or --CHC< where m is an integer of from 1 to 5, n is an integer of from 4 to 12, each of...
4693848 Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids  
Alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids of the formula I ##STR1## where R is a saturated or unsaturated alkyl radical of 1 to 17 carbon atoms or is phenyl which...
4694099 Procedure for producing stearyl-β-(3,5-dibutyl-4-hydroxyphenyl) propionate and bis-(β(3,5-dibutyl-4-hydroxybenzyl)-methylcarboxyethyl)sulphide  
A procedure for producing stearyl-β-(3,5-dibutyl-4-hydroxyphenyl)propionate and bis-(β-(3,5-dibutyl-4-hydroxybenzyl)-methylcarboxyethyl)sulp hide. In the procedure, a titanate-catalysis exchange...
4691042 Preparation of monaoalkylated dihydroxybenzenes and novel compounds prepared thereby  
Preparation of monoethers of dihydroxybenzenes from an alkenylphenol and an alkylating agent and thereafter oxidizing in the presence of an acid catalyst.
4689424 Radiation sterilizable absorbable polymeric materials and methods for manufacturing the same  
Radiation sterilizable polymeric materials, particularly radiation sterilizable absorbable, surgical products made from such polymeric materials.
4683327 Anisotropic heat-curable acrylic terminated monomers  
A novel heat-curable acrylic-terminated monomer is provided which exhibits an optically anisotropic melt phase at a temperature which enables it to undergo melt processing in the formation of...
4681941 Method of preparing esters of aryloxyphenoxy propanoic acid  
An improved method of preparing aryloxyphenoxy propanoic acid esters is disclosed. Low-water levels and low temperatures increase the yield and decrease by-product formation. A hindered...
4673529 Phenoxypropanol ester derivative  
A novel liquid crystal compound useful as a component of liquid crystal compositions and a liquid crystal composition containing the same are provided, which compound is a phenoxypropanol ester...
4668725 Stabilizing compounds for organic polymers, and stabilized polymer compounds which contain them  
Organic compounds of phenolic nature for stabilizing organic polymers are described together with the process for preparing said stabilizing compounds. Stabilized polymer compositions...
4665212 Process for preparing 2-(4-hydroxyphenoxy) alkanoic acid compounds  
A process for preparing a 2-(4-hydroxyphenoxy) alkanoic acid, its ester or alkali metal salt, or an optical isomer thereof, which comprises condensing hydroquinone or an alkali metal salt of...
4661505 Leukotriene antagonists  
This invention provides novel alkane derivatives which are leukotriene antagonists, formulations of those derivatives, and a method of using those derivatives for the treatment of conditions...
4661617 Novel compositions  
Substituted alkenoates and alkanoates, intermediates therefor, synthesis thereof, and their use for the control of pests.
4659370 Substituted phenoxypropionates and herbicidal compositions containing same and their herbicidal use  
Novel substituted phenoxypropionates of the formula ##STR1## in which Ar represents the group ##STR2## or the group ##STR3## in which Y represents a halogen atom or a trifluoromethyl group and b...
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.
4654435 Process for addition reaction of unsaturated organic compounds  
A process for the addition reaction of an unsaturated organic compound, except a rubber, having at least one carbon-carbon double bond in a molecule, which comprises reacting the unsaturated...
4647585 Bicycloheptane substituted ethers  
Bicycloheptane substituted ether prostaglandin analogs are provided having the structural formula ##STR1## wherein X is O or ##STR2## and including all stereoisomers thereof. The compounds are...
4645305 Liquid-crystal compound, liquid crystal composition and liquid crystal display device  
The present liquid crystal compounds are novel ester-type compounds showing a smectic liquid crystal phase and being capable of increasing a dielectric constant anisotropy, represented by the...
4642349 Process for making aromatic ethers  
Aromatic ethers or polyethers are prepared by reacting an organic halide such as a hydrocarbon halide with an aryl lower alkyl carbonate in the presence of an initiator.
4640849 Meta-bridged styryloxy resins  
Polyfunctional cationically polymerizable styryloxy compounds of the formula ##STR1## where R1 is H or methyl; R2 is hydrocarbyl, hydrocarbyl interrupted by ether oxygen atoms, or halo substituted...
4627933 Liquid crystalline phases containing alkylene-type bridges  
Compounds of the formula R1 --Q1 --(CH2)m --(COO)n --(CH2)p --Q2 --R2wherein R1 and R2 are each independently alkyl or alkoxy each of 1-12 C atoms, F, Cl, Br, CN or --Q3 --R3, or one of R1 and R2...
4622414 Novel calixarene compounds  
Additive compounds useful as accelerators in storage stable cyanoacrylate adhesive formulations have the formula: ##STR1## where R1 is alkyl, alkoxy, substituted alkyl or substituted alkoxy; R2 is...
4620938 Hydroterphenyls  
New hydroterphenyls of formula I R1 --Cy--Cy--Ph--R2 Iwherein R1 is alkyl; R2 is H, F, Cl, Br, I, OH, CN, alkyl, --O-alkyl, --COOR3 or --O--CO--R3 ; R3 is H, alkyl, --Cy-alkyl, --Ph-alkyl,...
4619788 Pyramidal liquid crystals  
The invention relates to hexa-substituted tribenzocyclononatriene derivats constituting a new type of liquid crystals with novel "pyramidal" mesophases. The compounds of the invention differ from...
4617140 Bicyclohexyl derivatives  
Bicyclohexyl derivatives of formula I R1 --Cy--Cy--X--Y Iwherein X is --CO--O-- or --O--CO--, Y is alkyl or perfluoroalkyl in each case of 1-8 C atoms, --Cy--Cy--R2, --Cy--Ph--R2, --Ph--Cy--R2,...
4614814 Monoalkylation of dihydroxy aromatic compounds  
There is disclosed a process for the reduction of the diether impurities formed when a dihydroxy aromatic compound is reacted with an alkylating agent in an alcoholic solvent in the presence of...
4613677 One-step hydrogenation/esterification of benzyloxy phenoxy propanoic acid  
The invention is directed to the one-step hydrogenation/esterification of arylmethyleneoxyaryloxy alkanoic acids to produce (hydroxyphenoxy) carboxylates. The process comprises the hydrogenation...
4613682 Ether synthesis  
The vapor phase reaction of phenolic compounds with organic halides to form aromatic ethers is catalyzed by metal oxides. The halide value of the organic halide is retained as hydrogen halide...
4610805 Nematic liquid crystal mixtures  
Nematic liquid crystalline mixtures, which can be used in optoelectronic components. Compounds are provided which influence the characteristics of mixtures in the direction of high clarification...