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WO/2013/148497A1 |
Disclosed is a process for the extractive recovery of an acid catalyst from an aqueous mixture of glycolic acid with an extraction solvent comprising a tertiary amine or an onium carboxylate compound, a modifier, and a diluent. The acid ...
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WO/2013/130436A1 |
The present invention relates to processes for preparing 3-methylsulfonylpropionitrile. The processes provide a good yield and a good purity of the final product and provide a controllable reaction. The present invention also relates to ...
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WO/2013/126495A2 |
Processes for synthesizing aminosulfone compounds are provided. Aminosulfone compounds obtained using methods provided herein are useful in production or synthesis of sulfone group containing isoindoline based compounds.
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WO/2013/126360A2 |
Provided herein are new processes for the preparation of aminosulfone intermediates for the synthesis of 2-[l-(3-ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4- acetylaminoisoindoline-l,3-dione, which is useful for preventing or treati...
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WO/2013/114987A1 |
The purpose of the present invention is to provide a method of consistently producing high-quality diallylbisphenols with high yields from bisphenols. This method involves steps (1) through (3) below, and enables the consistent productio...
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WO/2013/080049A2 |
The present invention provides efficient and economical methods for synthesis of (-)-2-exo-morpholinoisoborne-10-thiol, its enantiomer, and related chiral catalysts. Novel compounds and methods of asymmetric synthesis are also disclosed.
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WO/2013/024119A1 |
The present invention provides novel Ruthenium-based transition metal complex catalysts comprising specific ligands, their preparation and their use in hydrogenation processes. Such complex catalysts are inexpensive, thermally robust, an...
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WO/2012/171484A1 |
Disclosed is a substituted cyanoaniline compound or a salt thereof, wherein the compound has a structure represented by General Formula I. The compound of General Formula I has broad-spectrum fungicidal activity in the field of agricultu...
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WO/2012/160112A1 |
The iodine compounds of the present invention corresponds to those of formula (I), wherein R1, R1' and X have several meanings. These iodine compounds gives rise to the amination of several substrates without the need of catalysts, espec...
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WO/2012/143281A1 |
A process for the preparation of dihalodiphenylsulfones_such as 4,4'-dichlorodiphenyl sulfone or 4,4'-bis-(4-chlorophenylsulfonyl)biphenyl with high regioselectivity, at low temperature and in the absence of toxic reagents by reacting to...
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WO/2012/143279A1 |
A process for the preparation of dihalodiphenylsulfones_such as 4,4'-dichlorodiphenyl sulfone or 4,4'-bis-(4-chlorophenylsulfonyl)biphenyl with high regioselectivity, at low temperature and in the absence of toxic reagents by reacting to...
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WO/2012/136221A1 |
There is provided novel fluoro-substituted compounds capable of modulating the G- protein-coupled receptor GPR40, compositions comprising the compounds, and methods for their use for controlling insulin levels in vivo and for the treatme...
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WO/2012/104492A1 |
The invention relates to a method for making dimethyl sulfone. According to the invention, dimethyl sulfone is manufactured by oxidation from dimethyl sulfide in a methanol-based medium. Methanol is removed during and/or after the oxidat...
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WO/2012/098235A1 |
The invention relates to the molecule having formula (I), as well as the enantiomers thereof, and to the use of same in the treatment of ADHD, narcolepsy or idiopathic hypersomnia.
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WO/2012/089644A1 |
A process for preparing 3-alkylsulfinylbenzoyl derivatives of the formula (IIIa) by reaction of 3-alkylsulfinylbenzoic acids of the formula (Ib) with compounds of the formula (II) in the presence of a chlorinating agent and a base is des...
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WO/2012/081488A1 |
[Problem] To provide an acid catalyst which can reduce the quantity of waste in an organic synthesis reaction and which does not corrode a reactor and is nontoxic. [Solution] The problem is resolved by using a bis(trifluoromethanesulfony...
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WO/2012/042532A1 |
Processes for the preparation of N-[4-cyano-3-(trifluoro methyl) phenyl]-3-[(4-fluorophenyl) sulphonyl]-2-hydroxy-2- methyl propanamide or Bicalutamide are provided. A method for purifying the Bicalutamide using ethyl acetate solvent res...
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WO/2012/034472A1 |
Cyano benzenedicarboxamide compounds of formula (I), preparing methods and as agricultural insecticides uses thereof. The compounds have broad-spectrum insecticidal activities.
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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.
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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...
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WO/2011/131665A1 |
The invention relates to a method for producing 4,4'-dichlorodiphenyl sulfone from monochlorobenzene in which the maximum concentration of hydrocarbons containing 5 to 8 carbon atoms is 100 ppm relative to the total weight of the monochl...
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WO/2011/131508A1 |
The invention relates to a method for producing 4,4'-dichlorodiphenyl sulfone, comprising the reaction of monochlorobenzene with liquid sulfur trioxide that has a maximum boron concentration of 100 ppm relative to the total weight of the...
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WO/2011/129967A2 |
The description includes materials that may be useful for fuel cell applications such as in the manufacture of fuel cell electrodes, proton exchange membranes (PEM), as catalyst additives or in tie layers designed to be thermally and che...
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WO/2011/098985A1 |
The invention relates to compounds of formula (Formula III) (III) and of formula (Formula (IV) (IV), to methods for producing said compounds, and to the use thereof in the synthesis of saxagliptin.
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WO/2011/093423A1 |
Disclosed is a method for producing a compound represented by formula (E)-I characterized by comprising precipitating crystals of the compound represented by formula (E)-I in the coexistence of an acid and shifting the equilibrium of the...
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WO/2011/073473A1 |
Vinyl sulphone functionalised lipid systems. Synthesis and uses. Compound comprising a molecule of lipid nature and a vinyl sulphone group permitting the realisation of lipidation of biomolecules in a highly efficacious and simple manner...
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WO/2011/067649A2 |
The present invention provides an economic and environmentally friendly method for the preparation of polymer grade 4,4'-dichlorodiphenyl sulfone which is substantially free of 2,4' and 3,4'-isomers of dichlorodiphenyl sulfone with yield...
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WO/2011/055381A1 |
The invention relates to the removal of the impact-sensitive and hazardous sodium azide (NaN3) salt along with ammonium chloride (NH4Cl) for the recovery of dimethyl sulfoxide (DMSO) solvent present in a pharmaceutical industrial effluen...
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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 ...
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WO/2011/018445A2 |
The present invention relates to a process for the preparation of (R)-2-phenyl propionic acid derivatives of the formula (I) wherein R1 is C1-6-alkyl and R2 is hydrogen or halogen, or of a salt thereof. (R)-2-phenyl propionic acid deriva...
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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...
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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...
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WO/2011/014494A1 |
Processes useful for the preparation of a Compound of Formula I: Formula (I). Intermediates useful for the preparation of the compound of Formula I, and processes useful for preparing said intermediates are disclosed.
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WO/2011/005127A1 |
The present invention relates to a new stable crystalline polymorph of 2-(2-chloro-4-mesyl-benzoyl)-cyclohexane-1,3-dione and to a process for preparing the same. More particularly, it relates to compositions having said polymorph for co...
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WO/2010/143578A1 |
Provided are a process for preparing alkyl sulfone compounds easily and safely in a high yield, and alkyl sulfone compounds. Specifically provided is a process for the preparation of alkyl sulfone compounds of general formula (2) which c...
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WO/2010/139090A1 |
N-Phenyl dichloroacetamide and their derivatives which belong to pharmaceutical chemistry and organic synthesis fields are provided. These compounds have the structures of general formula I, in which N-{3-chloro-4-[(trifluoromethyl)sulfo...
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WO/2010/116342A2 |
The present invention concerns compounds of general Formula (I) : method of preparation and uses thereof.
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WO/2010/107807A2 |
The present invention is directed to a compound of 2-N halo-4-methylsulfonyl-butyric acid, such as 2-N chloro-4-methylsulfonyl-butyric acid, or a pharmaceutically acceptable salt or solvate thereof. The present invention is also directed...
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WO/2010/084975A1 |
Disclosed is a method for producing a conjugated aromatic compound, which is characterized in that an aromatic compound (A) represented by formula (1) is reacted with another aromatic compound (A) which has the same structure as the arom...
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WO/2010/084976A1 |
Disclosed is a method for manufacturing a conjugated aromatic compound, which is characterized in that an aromatic compound (A), wherein one or two leaving groups selected from a group comprised of an iodine atom, bromine atom and chlori...
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WO/2010/038550A1 |
A method for producing a specific amine wherein an extraction/separation step, in which the specific amine is extracted and separated as an organic layer in the co-presence of at least one kind of organic solvent (A) having a dielectric ...
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WO/2010/036589A1 |
A series of substituted aryl sulfone derivatives represented by Formula I, or pharmaceutically acceptable salts thereof. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination w...
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WO/2010/034999A1 |
A compound of formula (I) in solid form, preferably crystalline form.
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WO/2010/035000A1 |
Using a combination of Kumada, Suzuki and Biellmann chemistry, various menaquinones can synthesised rapidly and with stereochemical integrity offering a new way of preparing these vitamin K2 components for the pharmaceutical market. In o...
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WO/2010/029950A1 |
Disclosed are: a process for producing an optically active epoxy compound and an optically active sulfoxide compound; a ligand and a complex for use in the process; and a process for producing the complex. Specifically disclosed are: an ...
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WO/2010/030345A2 |
Processes for synthesizing aminosulfone compounds are provided. Aminosulfone compounds obtained using methods provided herein are useful in production or synthesis of isoindoline based PDE 4 modulators.
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WO/2010/018858A1 |
Disclosed is an organic sulfur compound represented by general formula (a1) [wherein A represents –S-, -S(O)- or –S(O)2-; Z1 and Z4 independently represent a trivalent aromatic hydrocarbon group, or the like; Z2 and Z3 independently ...
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WO/2010/014566A2 |
Processes for preparing oxazoline compounds are disclosed. These oxazoline compounds are useful intermediates in the preparation of Florfenicol and related compounds.
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WO/2009/144344A2 |
Compound for labelling biomolecules based on vinylsulphone, preparation and uses, comprising a labelling molecule and a vinylsulphone group. In addition it relates to the use of the compounds as labelling agents, to the procedure of obta...
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WO/2009/139438A1 |
Disclosed is a process for producing an optically active carboxylic acid from a racemic carboxylic acid in a conventional production facility with high efficiency and at low cost. Specifically disclosed is a process for producing an opt...
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