| Document |
Document Title |
|
WO/1998/003458A1 |
The present invention provides illudin analogs of general formula (I) where R�1? is (CH�2?)�n?-X-Y or H; n is 0 to 4; X is O or S or N or absent; and Y is an optionally substituted (C�1?-C�8?)alkyl, (C�6?-C�10?)aryl, (C�6...
|
|
WO/1998/003456A1 |
According to the invention, alcohols and/or aldehydes are prepared from olefins by the crossed metathesis of olefins with alcohols which comprise at least one double bond in the molecule and in which at least one hydroxy group is in the ...
|
|
WO/1998/002500A1 |
The invention concerns a liquid composition ranging from room temperature to -50 �C, comprising at least: a) one or several catechol derivatives; b) an aromatic solvent; c) an alcohol.
|
|
WO/1997/049660A1 |
Process for making water-soluble hydroquinone salts by reacting an aqueous liquid solution of (a) a formamidinesulfinic acid and (b) an alkali metal or quaternary ammonium hydroxide in which is dispersed a (c) quinone and water-soluble h...
|
|
WO/1997/047578A1 |
A light colored basic alkaki or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with a C...
|
|
WO/1997/045398A1 |
The invention relates to a novel process for producing hydroxyarenes of general formula (I) in which n is a number 1, 2, 3, or 4, R is cyano, carboxy, formyl, nitro, halogen or possibly substituted alkyl, alkoxy, alkylthio, alkyl sulphin...
|
|
WO/1997/042152A1 |
The invention relates to vitamin D analogs of general formula (I) wherein: R1 is a hydrogen atom or a substituent selected from the group consisting of hydroxy, CH2OH, CH2CH2OH, CH2CH2CH2OH, OCH3, OCH2OH, OCH2CH2OH and OCH2CH2CH2OH; R2 i...
|
|
WO/1997/040004A1 |
Process for making an alkyl-substituted salicylaldehyde wherein the alkyl substitution amounts to at least 3 alkyl carbon atoms per molecule, and preferably not more than 25, comprising ozonolizing an alkyl-substituted 2-hydroxy beta-met...
|
|
WO/1997/039064A1 |
The family of dyes of the invention are fluoresceins and rhodols that are directly substituted on one or more aromatic carbons by fluorine. These fluorine-substituted fluorescent dyes possess greater photostability and have lower sensiti...
|
|
WO/1997/039077A1 |
A method of imparting a water repellent surface to a hydrophilic substrate which comprises contacting the substrate with a solution or dispersion of a suitable calixarene in a liquid medium.
|
|
WO/1997/037958A2 |
Alkali metal aryloxides may be speedily dried by removing water while the aryloxide is molten. Such dried alkoxides are useful as chemical intermediates. Molten alkali metal aryloxides may be contacted with carbon dioxide to quickly prod...
|
|
WO/1997/036960A1 |
A class of asymmetric monobenzoxanthene compounds useful as fluorescent dyes are disclosed having structure (I) wherein Y1 and Y2 are individually hydroxyl, amino, imminium, or oxygen, R1-R8 are hydrogen, fluorine, chlorine, alkyl, alken...
|
|
WO/1997/034589A1 |
The present invention provides a class of chemical compounds useful as efficacious drugs in the treatment of sickle cell disease and diseases characterized by unwanted or abnormal cell proliferation. The active compounds are substituted ...
|
|
WO/1997/033856A1 |
Novel diaromatic propynyl or dienyl compounds having general formula (I), and the use thereof in pharmaceutical compositions useful in human or veterinary medicine (in particular for the treatment of dermatological, rheumatic, respirator...
|
|
WO/1997/030009A2 |
A process of catalytically reacting a 3-18 carbon mono-olefin such as cyclohexene with an arylhydroxide such as phenol in the liquid phase forming an ortho-alkylated arylhydroxide which is subsequently catalytically dehydrogenated to for...
|
|
WO/1997/029066A1 |
A phenol compound hydroxylation method, specifically a phenol and phenol ether hydroxylation method using hydrogen peroxide, is disclosed. According to the phenol compound hydroxylation method using hydrogen peroxide, the reaction is per...
|
|
WO/1997/027846A1 |
Compounds of formula (I), wherein R5 is an [A]-CH3, -[A]-C(OH)ZZ' or -[A]-C(O)Z" grouping where -[A]- is an alkylene, alkenylene or alkynylene radical or a single bond, and Z, Z' and Z" are a hydrogen atom or an optionally substituted al...
|
|
WO/1997/028116A1 |
Compounds of formula (I), wherein [X] represents aromatic carbocyclic rings (A) and (B), where R1, R2, R3, R4, R5, R6 and R7 are as defined in the description, salts thereof, a method and intermediates for preparing same, the use thereof...
|
|
WO/1997/026235A1 |
A process for the preparation of p-fluorophenol, which comprises hydrolyzing p-bromofluorobenzene with a mixture of NaOH and Na2CO3 in the presence of a copper catalyst.
|
|
WO/1997/022573A1 |
An improved process for the production of bisphenols is presented in which ketones and phenols are reacted in the presence of an acidic cationic exchange resin catalyst and a mercaptan cocatalyst. Prior to the reaction, alkyl alcohol is ...
|
|
WO/1997/019044A1 |
A comestic having excellent pigmentation controlling and skin beautifying effects, a high safety for the skin and an excellent storage stability and containing a hydrochalcone compound of general formula (I) as the active ingredient wher...
|
|
WO/1997/017400A1 |
A light colored basic alkali or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with an ...
|
|
WO/1997/016402A1 |
A method for C-alkylating a hydroxylated aromatic compound having at least one hydrogen atom in the ortho or para position relative to the hydroxyl grouping, wherein the aromatic compound is exposed to a proton acid and a compound causin...
|
|
WO/1997/015542A1 |
A process for purifying impure 2,6-diisopropylphenol (DIP) mixtures having lower and higher boiling phenolic impurities is described. The process involves washing the mixture with aqueous alkali metal hydroxide solution in an inert atmos...
|
|
WO/1997/015566A1 |
Novel medicinally-useful compounds of formulae (a), (b), (c) or (d) are provided herein. These compounds are preferably calix(n')naphthalenes, where n' is an integer of at least 2, derived from 1-naphthol, its derivatives or analogues.
|
|
WO/1997/013569A1 |
Described are preferred processes separating desired chemical products from other compounds in solution utilizing thermally-managed chromatography over solid adsorbents. The preferred processes involve chromatographic principles which ar...
|
|
WO/1997/012944A1 |
A surface derivatizing agent having an 'alpha', 'gamma'-diketo moiety, a beta-hydroxy acid moiety, a hydroxamic acid moiety, a phosphonic acid moiety, or a phenolic moiety, or that is a trimethylsilyl donor, is allowed to contact an aque...
|
|
WO/1997/011929A1 |
The present invention provides methods for producing TPPA having low level of metal ions, utilizing treated ion exchange resins. A method is also provided for producing photoresist composition having a very low level of metal ions from s...
|
|
WO/1997/010800A2 |
An oral antiplaque composition and treatment of teeth therewith wherein the essential antiplaque agent is a substantially water insoluble noncationic antibacterial phenol containing, relative to the hydroxyl group, an alkyl or cycloalkyl...
|
|
WO/1997/004763A1 |
The present invention provides compounds of formula (I), wherein R1 is -H, -OH, -O(C1-C4 alkyl), -OCO6H5, -OCO(C1-C6 alkyl), or -OSO2(C4-C6 alkyl); R2 is C1-C6 alkyl or C5-C7 cycloalkyl which is optionally substituted with 1 to 3 substit...
|
|
WO/1997/001594A1 |
A method is disclosed for making hydroxy-substituted ethynylated biphenyl compounds and for reacting such compounds with a family of noncross-linking thermosetting poly(arylene ethers) to produce novel poly(arylene ether) compositions wh...
|
|
WO/1996/038400A1 |
A method for preparing a meta-dihydroxylated aromatic compound, and more particularly for preparing resorcin or 1,3-diphenol is described. The preparation of a meta-dihydroxylated aromatic acid as an intermediate is also described. The m...
|
|
WO/1996/037210A2 |
The invention relates to pharmaceutical compounds which are based on the anti-inflammatory properties of etheric oils selected from the group consisting of Origanum vulgaris, Thymus vulgaris, Mentha piperita, Thymus serpilum, Saturea hor...
|
|
WO/1996/033964A1 |
This invention relates to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A, which process features the addition of bisphenol-A to a reaction mass containing unreacted Br2 and 30 to 85 wt.% water and...
|
|
WO/1996/028491A1 |
Disclosed are poly-p-phenylenes which have perfluoroalkoxy and perfluoroalkyl substituents, their copolymers and the precursors to these polymers. Polymers produced herein are useful as membranes, coatings, fibers and articles.
|
|
WO/1996/028403A1 |
Tetracyclic compounds having structure (1) are described, wherein R1-R10 are as defined. The tetracyclic compounds are capable of potent effects on steroid sensitive tissues and have demonstrated increased uterine weight, antiovolatory e...
|
|
WO/1996/027576A1 |
This invention relates to a process for the production of tetrabromobisphenol-A, which process features: a water and water miscible solvent reaction medium; a reaction temperature between 50 and 100 �C; and the presence, in the reactio...
|
|
WO/1996/025390A1 |
A method of producing compounds of formula (I), wherein one of R1 and R2 is selected from -OH, -SH, and -NHR7; and the other of R1 and R2 is selected from H, -OH, -SH, -NHR7 and R8; R3 and R4 are each independently selected from R8; n an...
|
|
WO/1996/020911A1 |
A process for the preparation of 4,4'-isopropylidene bis(2,6-dibromophenol), also known as tetrabrombisphenol A, that dramatically reduces the formation of alkyl bromide by-products. Bisphenol A is brominated with a C3 to C5 n-alcohol in...
|
|
WO/1996/019465A1 |
A clathrate compound comprising a tetrakisphenol compound represented by general formula (I) as the host compound and a 2-alkyl-3(2H)-isothiazolone as the guest compound, wherein X represents (CH2)n; n represents 0, 1 or 2; and R1 to R8 ...
|
|
WO/1996/019429A1 |
The present invention provides a unique and novel way of producing vinyl phenols such as p-vinyl phenol(4-hydroxystyrene-HSM). In this new process, p-'alpha'-aminoethylphenol (AEP) is heated under suitable deamination conditions of tempe...
|
|
WO/1996/014283A1 |
The invention refers to a process for preparing triphenyltrifluoropropanes and -propenes of formula III in which a 2-phenyl-3,3,3-trifluoropropiophenone derivative is reacted with bromobenzene under the conditions of the Grignard's react...
|
|
WO/1996/014150A1 |
The invention relates to a device for bringing solids in the form of pourable pieces into contact with liquids, or solids into contact with liquids and gases, in a reactor by putting the reactands together. The reactor has a housing cont...
|
|
WO/1996/012560A1 |
The invention provides an ion exchange resin catalyst containing a sulfonated styrene-divinylbenzene copolymer and having porous structure. The catalyst of this invention is suitable for the condensation of phenols and carbonyl compounds...
|
|
WO/1996/011920A1 |
This invention relates to novel benzopyran and other benzo-fused leukotriene B4 (LTB4) antagonists of formula (I), and the pharmaceutically acceptable salts thereof, wherein A1 is O, CH2, S, NH or N(C1-C6)alkyl; R3 is hydrogen or hydroxy...
|
|
WO/1996/010004A1 |
A process for the purification of 2,6-diisopropylphenol (Propofol) by transformation of the crude Propofol into its ester with a carboxylic or sulphonic acid, crystallization and hydrolysis, is described.
|
|
WO/1996/008458A1 |
This invention provides a unique method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane ("BPTMC"). The disclosed method manufactures BPTMC from ketals and hemithioketals of 3,3,5-trimethylcyclohexanone ("TMC"). The reac...
|
|
WO/1996/007628A1 |
A reduced methyl bromide process for making tetrabromobisphenol-A in methanol, including: dissolving bisphenol-A in a methanol solvent to form a bisphenol-A methanol solution, adding bromide to the bisphenol-A methanol solution to bromin...
|
|
WO/1996/006089A1 |
The invention relates to biphenyl compounds having general formula (I) in which X is oxygen, sulphur, >NH, >NCH3, >NCHO, >NCOCH3, >NSO2CH3 or >NCOCF3 Y is oxygen, sulphur, >NH, >NCH3, >NC2H5, >NCHO, >NSO2CH3, >NCH2CN, >NCOCH3, >NCOCF3 or...
|
|
WO/1996/004230A1 |
Terpene-quinone with antitumor activity defined from a cyclocondensation reaction of Diels-Alder, used to obtain families or series of said compounds having a new structure and presenting a cytotoxic activity to cellular cultures P-388, ...
|
