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Matches 451 - 500 out of 5,505

Document Document Title
WO/2012/073249A1
Disclosed herein is an efficient and economical process for the preparation of 3-Benzyloxybenzenethiol of formula-I which is a key intermediate for the preparation of pharmaceutical drugs. R' is hydrogen, halogen, trihalomethyl, lower al...  
WO/2012/066134A1
A process for preparing azomethines of the general formula (V) where R is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted alkyl radical or an optionally substituted heteroar...  
WO/2012/062041A1
Disclosed are aromatic ketone compounds with para- or meso-substituted multifunctional groups as represented by the general formulae I-III, preparation methods thereof, and free-radical polymerization photoinitiators comprising the compo...  
WO/2012/056166A1
A continuous process for obtaining acrolein by catalytic dehydration of glycerol or glycerin, in the presence of an acid catalyst, wherein said process comprises the concomitant regeneration of said catalyst and is carried out in a fluid...  
WO/2012/047686A1
The present invention is a method for promoting hydrothiolation of an unactivated alkenes with a thiol using gallium triflate.  
WO/2012/042184A1
The present invention relates to a process for obtaining dialkyl disulphides from an alkyl mercaptan and a sulphur, in which a reaction intermediate present in the final disulphide is decomposed at the end of synthesis. This operation ma...  
WO/2012/034472A1
Cyano benzenedicarboxamide compounds of formula (I), preparing methods and as agricultural insecticides uses thereof. The compounds have broad-spectrum insecticidal activities.  
WO/2012/035017A1
A process for the preparation of a compound of formula (I) which are useful as intermediates in the preparation of pharmaceutically active compounds.  
WO/2012/033225A1
The present invention relates to a novel method for producing a pyridazinone compound and an intermediate thereof as shown in the following scheme: wherein the symbols are as defined in the specification.  
WO/2012/028162A1
A process for preparing compounds of the formula (4), wherein a mixture of an aniline (compound of the formula Q) is reacted with a thioether (compound of the formula W) in the presence of sulfuryl chloride as a chlorinating agent and of...  
WO/2012/026617A1
The present invention relates to a process for producing a carboxylic acid ester, comprising a step of oxidizing an aldehyde by mixing an alcohol, carbon dioxide, the aldehyde and at least one compound selected from the group consisting ...  
WO/2012/026620A1
The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted su...  
WO/2012/024839A1
A preparation method of dicyclohexyl disulfide is provided, in which sodium disulfide is reacted with chlorocyclohexane in an aqueous solvent to synthesize dicyclohexyl disulfide, and in which at least a part of the reaction mixture cont...  
WO/2012/026619A1
The present invention provides a novel process for preparing a sulfur-containing 2-ketocarboxylate compound without using any enzyme. The process comprises a step of oxidizing a hydroxyacetate compound having an optionally-substituted su...  
WO/2012/018757A1
The present invention discloses processes for forming polythiol compositions from olefinic hydrocarbons such as cyclooctadiene, cyclododecatriene, and trivinylcyclohexane. The polythiol compositions produced from these processes, includi...  
WO/2012/010644A1
Process for the synthesis of an isothiocyanate of general formula (I) SCN‑R1-R4-R2 in which R1 and R2 represent, independently of one another, an alkyl, aryl or alkylaryl group, R4 represents a carbonyl, sulphinyl or sulphonyl group or...  
WO/2012/002780A2
A composition for manufacture of a light emitting particle-polymer composite, the composition including a light emitting particle, a first monomer including at least two thiol groups, each located at a terminal end of the first monomer, ...  
WO/2011/157959A1
The invention relates to a process for preparing acrolein from glycerol or glycerin, according to which glycerol or glycerin is dehydrated in the presence of a catalyst, the active phase of which consists of at least a) a silicon oxide, ...  
WO/2011/152540A1
The present invention relates to a process for producing methionine, comprising a first step of reacting 2-amino-3-buten-1-ol with methanethiol, and a second step of oxidizing 2-amino-4-methylthio-1-butanol obtained in the first step. Th...  
WO/2011/141568A1
The present invention provides a method for the preparation of a radiolabeiied guanidine derivative, in particular wherein the radiolabeiied guanidine derivative is a positron emission tomography (PET) tracer. Certain intermediates usefu...  
WO/2011/139887A2
The present invention provides bis(hydroxyalkyl)mercaptosuccinates of the formula: (I) and derivatives thereof, where X1, X2, Z1, Z2, Y1, Y2, Ra, Rb, R1, and R2 are those defined herein. The present invention also provides methods for pr...  
WO/2011/130170A1
The present invention discloses compositions comprising oligomers derived from bis(beta-hydroxy) polysulfides, such as dihydroxydiethyl disulfide, and oligomerization processes for producing these compositions.  
WO/2011/126129A1
The present invention relates to a process for producing a sulfur-containing amino acid, comprising a step of oxidizing a 2-aminoethanol compound having, at position 2, a sulfur-containing hydrocarbon group having 1 to 24 carbon atoms in...  
WO/2011/126130A1
The present invention relates to a process for producing a sulfur-containing amino acid, comprising a step of oxidizing a 2-aminoethanol compound having, at position 2, a sulfur-containing hydrocarbon group having 1 to 24 carbon atoms in...  
WO/2011/118849A1
According to the present invention, a new process for producing a sulfur-containing amino acid without using of hydrogen cyanide or sodium azide which requires careful handling as a raw material can be provided. The present invention rel...  
WO/2011/113774A1
The invention related to a process for the preparation of a bismercaptodiether by reacting a polysulfide with a monothiol in the presence of a base and to a process for the depolymerization of a polysulfide by reacting said polysulfide w...  
WO/2011/114955A1
Disclosed are: a diaryl sulfone compound represented by general formula (1); a manufacturing method for a diaryl sulfone compound represented by general formula (1) in which a 4,4'-dihalo aryl sulfone compound is reacted with a thiol sal...  
WO/2011/105526A1
An ester compound represented by formula (1): wherein R1 represents 2-propenyl or 2-propynyl, and R2 represents C1-C4 alkyl, has an excellent pest control effect and is therefore useful as an active ingredient of a pest control agent.  
WO/2011/093497A1
Provided is a plasma oxidation-reduction method with which it is possible to control the structure of amino acids and proteins with high and stable reproducibility, by using plasma in order to control the amino acids and proteins that ma...  
WO/2011/083254A1
The invention relates to a method for preparing acrolein from glycerol or glycerine, according to which the glycerol or glycerine is dehydrated in the presence of a catalyst that consists of least one silica modified by zirconium dioxide...  
WO/2011/080752A1
A process for the preparation of perfluoroalkyl sulfenyl chloride; said process comprising i) reacting a compound of formula (I) wherein R represents an aromatic group with or without a substituent; and R' represents a halogen, with at l...  
WO/2011/074815A2
The present invention relates to a method for preparing N,N'-dialkyl-3,3'-dithiodipropionamides which are intermediate compounds used for preparing substituted 3-isothiazolones. More particularly, the method of the present invention comp...  
WO/2011/070028A1
Whilst methodologies for the Kinetic Resolution of alcohols are well established, no analogous direct methods exist for the highly selective, direct catalytic Kinetic Resolution of thiols (i.e., R-SH). The present invention relates to a ...  
WO/2011/066115A2
An overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound, wherein the alkyl substituent of the hydroxyaromatic compound is a residue of at least one isomerized olefin having from about 15 to about 99 wt. % branchi...  
WO/2011/058915A1
Disclosed is a process for producing a high-purity aromatic sulfonyl chloride compound readily, on an industrial scale, and with high efficiency. A reaction product produced by reacting sulfuryl chloride, N,N-dimethylformamide and sulfur...  
WO/2011/040131A1
3-Mercapto-1-propanol can be produced in high yield without using pyrophoric aluminum lithium hydride, by subjecting a compound of the following formula (1) to addition reaction with allyl alcohol to prepare a compound of the following f...  
WO/2011/019076A1
A process for the preparation of (fluoroalkylthio)acetic acid esters represented by general formula (3) (wherein R is a hydrogen atom or a C1-5 alkyl group; R1 is a C1-4 alkyl group; and R2 is a C1-5 fluoroalkyl group), characterized by ...  
WO/2011/012815A1
The present invention relates to the masking of the odour of organic sulphides and more particularly that of alkyl sulphides or of dialkyl sulphides, especially dimethyl sulphide, and also of oxides thereof, and especially of dimethyl su...  
WO/2011/012820A1
The invention relates to solvent compositions predominantly comprising at least one oxide of an organic sulfide, more particularly dimethyl sulfoxide, to which is added at least one odour-masking agent comprising at least one compound se...  
WO/2011/009817A1
The invention relates to a method for the continuous production of methyl mercaptan by converting a mixture, which contains carbon-containing compounds, with sulfur and hydrogen, wherein the resulting compounds of carbon disulfide and hy...  
WO/2010/144891A1
The present invention relates to compounds and related technetium and rhenium complexes thereof which are suitable for imaging or therapeutic treatment of tissues, organs, or tumors. In another embodiment, the invention relates to method...  
WO/2010/133077A1
A kind of ketoxime ester compound used as photoinitiator, especially a kind of ketoxime ester photoinitiator used as the photocuring material, wherein said ketoxime ester photoinitiator has following general formula (I): Wherein R1 is fo...  
WO/2010/127786A1
The invention relates to a method for producing oxindoles and ortho-substituted anilines and the use thereof as intermediate products for syntheses. Method for producing compounds of the formula (4): wherein a mixture of an aniline (comp...  
WO/2010/125923A1
Disclosed is a polymer-supported catalyst in which a group 8-11 metal of the periodic table is supported by a polymer carrier represented by formula (1a), preferably a polymer carrier represented by formula (1b). (In the formulae, A repr...  
WO/2010/100486A2
The present invention is directed to a process for the preparation of ajoene, and to ajoene having a relatively high purity which may be obtained by the process. The invention also relates to processes for the preparation of allicin, to ...  
WO/2010/098372A1
A heterocyclic compound represented by formula (1) and a field effect transistor having a semiconductor layer comprising the compound. (In the formula, X1 and X2 each independently represents a sulfur atom or a selenium atom, and R1 and ...  
WO/2010/095745A1
Provided is a method that enables 3-mercaptocarboxylic acid, which is industrially useful, to be obtained at high yield with good productivity while limiting the production of by-products, and that additionally has low environmental impa...  
WO/2010/094630A1
The invention relates to a method for converting ammonium salts of organic acids into the respective free organic acids, wherein an aqueous solution of the ammonium salt is brought into contact with an organic extraction agent, and the s...  
WO/2010/090845A1
Disclosed are certain complexes of AFC compounds and binding agents. Such complexes are useful, among other things, in the treatment of inflammatory diseases or disorders.  
WO/2010/088862A1
Disclosed is a method for preparing 7-halo-2-oxo-heptylate, an intermediate of cilastatin. The main steps are as follows: A. Addition reaction, in which 6-halo-hexanal is reacted with a cyanide to obtain 7-halo-α-hydroxyl-heptonitril; B...  

Matches 451 - 500 out of 5,505