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WO/2002/002464A2 |
A process for extracting from aqueous solution the alkali metal or ammonium salt of a phenol, naphthol, anthrol or phenanthrol or the corresponding thiol, which comprises contacting an aqueous alkaline or neutral solution of the alkali m...
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WO/2002/000574A2 |
Phosphine oxide and sulfoxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls, arylthiols, arylphosphine oxides and arylamines via cross-coupling reactions with aryl halides and arylboronic...
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WO/2001/096290A1 |
A method for the production of methyl mercaptan is provided. The method comprises providing raw feed gases consisting of methane and hydrogen sulfide, introducing the raw feed gases into a non-thermal pulsed plasma corona reactor, and re...
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WO/2001/092369A1 |
A polymer comprising structural units of the formula (I) is prepared according to a novel method, in which the starting compound R¿1?'S-(CHR'¿2?)-Ar-(CHR¿2?)-SR¿1? is polymerized with a base, preferably in an aprotic solvent. The pol...
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WO/2001/083435A1 |
The present invention is directed to a composition that contains polysulfides and that has a reduced odor level and to a method for reducing the odor of polysulfides. The composition contains a polysulfide and an inhibitor that reduces t...
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WO/2001/081274A1 |
A phosphazenium compound represented by the formula (1) (1) (wherein Q?-¿ is an anion formed by removing a proton from an inorganic acid or from an active-hydrogen compound having an active hydrogen atom on an oxygen, nitrogen, or sulfu...
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WO/2001/077096A2 |
This invention relates to a process for the preparation of thioacetates addition of thioacetic acid or a salt thereof on $g(a)-,$g(b)-, or $g(g)-unsaturated alcohols, carbonyl compounds or cyclic or acyclic alkenes or by nucleophilic sub...
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WO/2001/076390A2 |
The invention relates to a process for flavouring foodstuffs by incorporating therein an effective amount of at least one compound R1-S-R2 with a specific, well defined structure such as (E)-2-methyl-1-(methylthio)-2-butene; S-ethyl thio...
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WO/2001/077359A2 |
This invention relates to the generation of natural flavouring thiols and their disulfides derivates by bioconversion and their use as enhancers or intensifiers of flavour in food product. The invention also relates to new aroma compound...
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WO/2001/072668A1 |
A process for preparing alkyl substituted aromatic compounds by alkylating an aromatic compound with an alkylating agent in the presence of a porous crystalline zeolite in which the zeolite has been selectively dealuminated to remove non...
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WO/2001/070679A1 |
Invention relates to H¿2?S scavengers polysulfide compounds and methods for scavinging H¿2?S from polysulfide compounds. Furthermore, the invention uses a scavenger for selectively reducing the levels of hydrogen sulfide present in a p...
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WO/2001/068596A1 |
The present invention relates to novel thiol stabilised gold nanoparticles for decorative uses. Methods of their preparation, compositions comprising them and uses of gold nanoparticles and compositions are also described.
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WO/2001/068595A1 |
The invention aims at providing novel sulfur compounds, molecular compounds containing the same as the component compound, and so on. The above aim is achieved by using sulfur compounds of the general formula (I) wherein Rs are each inde...
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WO/2001/068637A2 |
Among its several embodiments, the present invention provides an improved process for the preparation of tetrahydrobenzothiepine-1,1-dioxide compounds; the provision of a process for preparing a diastereomeric mixture of tetrahydrobenzot...
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WO/2001/066517A1 |
This invention relates to a process for the production of an aryl thiol, which comprises hydrogenating an aryl sulfonyl chloride in a solvent in the presence of a palladium catalyst and a base whose conjugate acid has a pK¿a? of about 2...
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WO/2001/060891A1 |
The invention relates to polylalkylene polysulphides, containing chains of general formula (I), where R and R' independently = H, 1 to 4 C alkyl, or COR'; R' = H, or 1 to 4 C alkyl; x = on average, 2 to 20; and n $m(g)10. The invention f...
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WO2000039080A9 |
The present invention relates to methods for production of arylsulfides wherein an aromatic compound is reacted with elemental sulfur in the presence of solid acid catalyst. The solid acid catalyst can be a zeolite. The methods are usefu...
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WO/2001/058837A2 |
Process for the preparation of (R)-2-bromo-3-phenylpropionic acid starting from D-phenylalanine, sodium nitrite and HBr in an aqueous solution, the reaction being carried out in the presence of a bromide salt, at a temperature between -1...
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WO1999063937A9 |
Disclosed are multibinding compounds which include macrolide antibiotics, aminoglycosides, lincosamides, oxazolidinones, streptogramins, tetracycline and/or other compounds which bind to bacterial ribosomal RNA and/or to one or more prot...
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WO/2001/040147A1 |
Phosphine oxide compounds were used with transition metals, preferably palladium and nickel, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids, aryl Grignard reagents or amines.
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WO1999063939A9 |
Disclosed are multibinding compounds which inhibit cyclooxygenase-2 (COX-2), an enzyme which catalyzes the first committed step in the biosynthesis of prostaglandins. The multibinding compounds of this invention containing from 2 to 10 l...
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WO/2001/021575A1 |
The present invention relates to compounds of the general formula: NO¿2?-A-B wherein A is a saturated or unsaturated hydrocarbon chain of 14-26 carbon atoms and B is (CH¿2?)¿n?(COOH)¿m? in which n is an integer from 0 to 2 and m is a...
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WO/2001/021172A1 |
The present invention relates to pharmaceutical compositions comprising, as an anti-cancer agent: (a) one or more compounds having the formula NO¿2?-A-B, wherein A is a saturated or unsaturated hydrocarbon chain of 14-26 double bonds, a...
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WO/2001/019908A2 |
A process is provided to recover at least one modifier compound and at least one polar organic compound from a P(AS) recycle mixture.
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WO/2001/016098A1 |
Novel thioglycerol derivatives, processes for their manufacture, and optical materials made from such compounds. The thioglycerol derivatives have high concentrations of sulfur relative to compounds conventionally used for optical materi...
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WO/2001/010835A1 |
Selected compounds of formula (I) are antibacterial agents: formula (I) wherein R¿2? represents a substituted or unsubstituted C¿1?-C¿6? alkyl, cycloalkyl (C¿1?-C¿6? alkyl)- or aryl (C¿1?-C¿6? alkyl)- group, and A represents a gro...
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WO/2001/010776A1 |
A process is provided for the combustion of ammonium salts of sulfuric acid contained in aqueous media. More particularly, a reductive combustion process which produces a combustion gas containing a divalent sulfur compound having a high...
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WO1999064049A9 |
This invention relates to novel multibinding compounds (agents) that are antibacterial agents. The multibinding compounds of the invention comprise from 2-10 ligands covalently connected by a linker or linkers, wherein each of said ligan...
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WO/2000/075103A1 |
Novel substituted phenylpropionic acid derivatives capable of binding as a ligand to human peroxisome proliferator-activated receptor $g(a) (PPAR$g(a)) to thereby activate the receptor and thus showing a potent effect of lowering blood l...
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WO/2000/068297A1 |
In one aspect, the invention provides ene-thiol elastomers comprising the reaction product of a polythiol free of hydrophilic groups and having at least two thiol groups and an aromatic, heterocyclic, aliphatic, or cycloaliphatic polyene...
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WO/2000/064848A1 |
The invention relates to a method for the dihydroxylation of olefins using transition-metal catalysts for producing monofunctional, bifunctional and/or polyfunctional 1,2 diols of the formula (I): R?1¿R?2¿C(OH)-C(OH)R?3¿R?4¿. Accordi...
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WO/2000/064876A1 |
This invention is directed to triaryl acid derivatives of formula (I) and their pharmaceutical compositions as PPAR ligand receptor binders. The PPAR ligand receptor binders of this invention are useful as agonists or antagonists of the ...
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WO/2000/063165A1 |
The compound of the present invention is useful as a medicament for prophylactic and therapeutic treatment of MMP- or TNF $g(a)-mediated diseases.
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WO/2000/057872A1 |
(Z)-styryl benzylsulfones of formula (I) are useful as anticancer agents: wherein R¿1? is selected from the group consisting of hydrogen, chloro and nitro; R¿2? is selected from the group consisting of hydrogen, lower alkyl, lower alko...
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WO/2000/056692A1 |
A method wherein a sour natural gas stream can be treated to produce primarily carbon monoxide from methane, and the carbon monoxide and hydrogensulfide are reacted to produce methyl mercaptans, (primarily methanethiol (CH¿3?SH) and a s...
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WO/2000/053583A1 |
The present invention comprises small molecular weight, non-peptidic inhibitors of formula (I) of Protein Tyrosine Phosphatase 1 (PTP1) which are useful for the treatment and/or prevention of Non-Insulin Dependent Diabetes Mellitus (NIDDM).
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WO/2000/048992A1 |
A compound of formula (I): wherein R?1¿, R?2¿, R?3¿ and Ar are defined; a composition comprising a compound of formula (I) and a carrier or diluent; a compound of formula (I) for use as a medicament; the use of a compound of formula (...
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WO/2000/048988A1 |
Compounds of formula (1) and the pharmaceutically acceptable salts and esters thereof wherein X and Y are as defined in the specification, are effective inhibitors of the binding of VCAM-1 to VLA-4 $i(in vivo) and are useful in treating ...
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WO/2000/047555A1 |
Disclosed is a composition of (1) a substituted benzaldehyde having general formula (I) where X is a leaving group in the ortho or para position, (2) a mercaptide having the general formula MSR' in an amount about stoichiometric to about...
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WO1999064033A9 |
This invention relates to novel multibinding compounds that bind to the enzyme phosphodiesterase V (PDE V) and modulate its activity. The compounds of this invention comprise 2-10 PDE V modulator (particularly inhibitor) ligands covalent...
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WO1999063994A9 |
Disclosed are multibinding compounds which inhibit 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMG-CoA reductase), the rate limiting enzyme in cholesterol biosynthesis. The multibinding compounds of this invention containing from 2 ...
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WO/2000/043359A1 |
A process for producing an organic polysulfide compound comprises contacting, in th presence of a catalyst, a mercaptan with elemental sulfur to produce a product medium and contacting the product medium with a material comprising carbon...
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WO1999064048A9 |
Disclosed are multibinding compounds which inhibit the enzyme HIV reverse transcriptase, an enzyme which catalyzes the conversion of viral RNA to single stranded DNA. The multibinding compounds of this invention containing from 2 to 10 l...
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WO/2000/040210A2 |
This invention relates to a topical composition for treating amino acid based substrates comprising a protected thiol compound having the formula R—(S—Pr)¿m? where R is a functional group, S is sulfur, and Pr is a heterocyclic prote...
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WO/2000/034235A1 |
A process which can be used to produce an organic disulfide is provided. The process comprises contacting a mercaptan in the presence of an oxygen-containing fluid, a catalyst, optionally a cocatalyst, and further optionally a solvent or...
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WO/2000/031029A1 |
The invention relates to a method of producing organic disulfides by oxidizing mercaptans with sulfur which is dissolved in an organic disulfide and using an amine as the catalyst. Said mercaptans are used as 'crude mercaptan flow' from ...
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WO/2000/031030A1 |
The present invention relates to compounds of general formula (I) wherein X¿1? and X¿2? are different from each other and have the meanings reported in the following description. Y is a simple bond, C¿1?-C¿12? linear or branched alky...
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WO/2000/027812A1 |
The invention relates to novel phenyl-substituted cyclic enaminones of formula (I), wherein Ar, X, Z, Y, K, n and m have the meanings cited in the description, to various methods and intermediate products, to the production thereof, and ...
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WO/2000/027810A1 |
The present invention provides valuable intermediates which can be used in the synthesis of a compound having polyene chain structure, processes for preparing the same, and a process for preparing $g(b)-carotene by using said intermediat...
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WO/2000/026184A1 |
The invention relates to bisphenyl thiocompounds of formula (I), wherein X¿1? to X¿5? independently represent H, Cl, F, OH, SH, R, -OR and -SR, wherein R is an organic radical with 1 to 18 C atoms, which can be an alkyl or alkenyl radi...
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