Patents
Patents for C07C 315 - Preparation of sulfones; Preparation of sulfoxides (4,234)
03/2005
03/23/2005EP1516869A1 Process for enantioselective synthesis of single enantiomers of modafinil by asymmetric oxidation
03/16/2005CN1193011C Method for producing sulfonyl-benzoyl guanidinium salts
03/10/2005US20050050648 for bleaching human keratin fibres (hair) which have been dyed with oxidation dyes and/or direct dyes; multi-compartment deivice used to dye and bleach
03/09/2005CN1191884C High surface microporous active materials TIQ-6 and METIQ-6 in oxidation reactions
03/08/2005US6864290 Statine derivatives for the treatment of Alzheimer's disease
03/03/2005US20050049437 Efficiently separating 2,4'-dihydroxydiphenylsulfone from a mixture of 4,4'-dihydroxydiphenylsulfone and 2,4'-dihydroxydiphenylsulfone and effectively utilizing phenolsulfonic acid contained in the reaction mixture as raw material
03/01/2005US6861562 Comprising heating trihydroxytriphenyldisulfone or a mixture of dihydroxydiphenylsulfone isomers containing trihydroxytriphenyldisulfone in the presence of phenol and an acid catalyst
03/01/2005US6861557 Process for preparing rac-bicalutamide and its intermediates
02/2005
02/23/2005CN1583720A Synthesis of 4-substrated aryl-1-benzenesulfonyl-3-butylene-2-one
02/23/2005CN1583696A Preparation of bisphenols salts
02/23/2005CN1190406C Method for producing ortho-alkylated benzoic acid derivatives.
02/22/2005CA2200930C Process for preparing .alpha. -haloacetophenone derivative
02/17/2005WO2005014531A1 Process for production of n-methacryloyl-4-cyano-3- trifluoromethylaniline, method for stabilization of the same, and process for production of bicalutamide
02/17/2005US20050038124 Highly pure modafinil
02/17/2005US20050038028 Hydroxyethylene compounds with asp2 inhibitory activity
02/17/2005US20050034652 Crystalline forms of modafinil
02/16/2005EP1506171A1 Preparations of a sulfinyl acetamide
02/16/2005EP1506170A1 Method for producing bicalutamide
02/15/2005US6855831 Converting substituted mono or bicyclic lactones in presence of an amine base and a catalytic amount of a cyanide or alkali or alkaline metal alcoholate, to a salt, reacting the salt with carbonyl compound containing an organic substituent
02/10/2005US20050033082 Method for producing bicalutamide
02/09/2005EP1505054A1 Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative
02/09/2005EP1503983A1 A process for the preparation of modafinil
02/09/2005CN1578765A Method of preparing 4-chloro-3-methyl-2-butenylphenyl sulfide, di4-chloro-3-methyl-2-butenylsulfide and di4-chloro-3-methyl-2-butenylsulfone for synthesis of natural carotenoid products
02/09/2005CN1188392C Process for synthesis of hydrocarbonfluoride
02/03/2005WO2005009946A1 Process for purifying and isolating rac-bicalutamide
02/03/2005CA2529232A1 Process for purifying and isolating rac-bicalutamide
02/02/2005EP1501792A2 Catalytic process for preparing perfluoroethanesulfonyl fluoride and/or perfluorodiethylsulfone
02/02/2005CN1187323C Process for producing alkylsulfonylbenzaldehyde
02/01/2005US6849763 Reacting 4-fluorothiophenol in methanol, adding methyl-1,2-epoxy-2-methylpropionate and ethyl acetate, recovering 2-hydroxy-2-methyl-3-(4-fluorophenylthio)propionic acid, then solidifying
02/01/2005US6849120 Oxidizing 2-((diphenylmethyl)thio)acetamide with hydrogen peroxide in mixture of mineral acid with alcohol or phase transfer catalyst, precipitating solid, and separating
01/2005
01/27/2005WO2004075827A3 Process for the preparation of 2-[(diphenylmethyl) thio] acetamide
01/26/2005EP1499577A1 2-(2,6-dichlorophenyl)-diarylimidazoles
01/26/2005CN1569826A Method for hydrolysis of 1, 2-bis(3'-nitrobenzene sulphone group )ethane byproduced in the production of 3-(beta-hydroxy ethylsulphonyl)nitrobenzene
01/19/2005EP1498412A1 Process for producing dihydroxydiphenyl sulfone
01/19/2005EP1497272A2 Method of preparing amine stereoisomers
01/18/2005US6843978 Microporous materials (TIQ-6 and METIQ-6) of high surface area active in oxidation reactions
01/13/2005US20050008589 Cosmetic composition containing sulphinic acid derivatives
01/12/2005EP1494989A2 Compounds that modulate ppar activity and methods for their preparation
01/12/2005CN1184214C Alpha-acyl and alpha-heteroatom-bustituted benzene acetamide glucokinase activators
01/12/2005CN1184197C 荧光增白剂 Fluorescent Brightener
01/06/2005WO2005000799A1 Process for preparing polymorphic form (i) of modafinil
01/06/2005WO2005000243A2 The polymorphic form a of 4-[6-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenylthio)propoxy]-2-propylphenoxy]butryric acid
01/05/2005EP1243333B1 High surface microporous materials which are active in oxidation reactions. tiq-6 and metiq-6
01/05/2005CN1560033A Preparation process of beta-hydroxylic sulfone derivation
01/05/2005CN1183107C Alkynyl containing hydroxamic acid compounds as TACE inhibitors
01/05/2005CN1183106C Industrial process for prodn. of diphenyl sulfone compounds
12/2004
12/30/2004US20040266878 in polymorphic Form A free of other polymorphic forms, used as an antiallergen to treat, e.g., bronchial asthma
12/30/2004US20040265248 Biphenylene compounds
12/29/2004EP1491528A1 Process for producing 4,4-bisphenol sulfone
12/29/2004EP1119551B1 Naphthalenecarboxamides as tachykinin receptor antagonists
12/22/2004EP1487428A2 Amino-substituted (e)-2,6-dialkoxystyryl 4-substituted benzylsulfones for treating proliferative disorders
12/22/2004CN1556794A Process for producing mixture of dihydroxydiphenylsulfone isomers
12/22/2004CN1556793A Method for producing dihydroxydiphenylsulfone isomer mixture
12/22/2004CN1556785A Interfacial method of preparing ester-substituted diaryl carbonates
12/22/2004CN1556102A Method of combined preparing alliin and galic polysaccharide
12/16/2004US20040254400 Process for producing mixture of dihydroxydiphenylsulfone isomers
12/15/2004EP1117639B1 Benzoylcyclohexandiones, method for the production and use thereof as herbicides and plant growth regulators
12/15/2004CN1554635A Process for preparing intermediates
12/14/2004US6831201 Aqueous solution containing dihydroxydiphenyl sulfone monoether compound is adjusted pH to a preset value, extracted with an organic solvent and separated to an organic and an aqueous layers, and that water or water adjusted to a fixed pH
12/09/2004WO2004106313A1 Method of producing an organic compound comprising at least one oxygenated functional group
12/08/2004EP1483242A1 Nitrosodiphenylamine derivatives and their pharmaceutical use against oxidative stress pathologies
12/08/2004CN1553891A Method for producing 3-bromomethylbenzoic acids
12/08/2004CN1553888A Biphenylene compounds
12/02/2004US20040242935 Process for producing mixture of dihydroxydiphenylsulfone isomers
12/01/2004CN1177821C Matrix metalloprotease inhibitors
11/2004
11/25/2004WO2004101504A1 Stereoselective method of preparing gamma-amino vinyl sulphones
11/25/2004US20040236146 Method for producing 3-bromomethylbenzoic acids
11/24/2004CN1176884C Reaction process for air oxidization of organic sulfide
11/23/2004US6822121 Chemical intermediate for damascone
11/18/2004US20040229949 New 3-aryl propionic acid derivatives and analogs
11/18/2004CA2524718A1 Method for crystallizing guanidinium salts
11/17/2004EP1289980B1 Bicyclyl or heterobicyclylmethanesulfonylamino-substituted n-hydroxyformamides
11/17/2004CN1546469A Method for producing sulfolane by hydrogenation of sulfolene
11/17/2004CN1546468A Method for preparing sulfone by catalytic oxidation of thioether
11/17/2004CN1176068C Prepn of isobutene oxysulfide
11/16/2004US6818766 Process for making bicalutamide and intermediates thereof
11/09/2004US6815556 Killing plant diseases
11/09/2004CA2126195C Aromatic esters of phenylenedialkanoates as inhibitors of human neutrophil elastase
11/02/2004US6812362 Amidation; efficiency, higher yields, performed at or near room temperature, energy savings
10/2004
10/28/2004US20040214874 Inhibition of protein-tyrosine kinase cmet to block cancer cell proliferation, oral bioavailibility; 2-(2,6-dichlorophenyl)-4-phenyl-5-(pyrimidin-4yl)-1H-imidazoles
10/27/2004CN1172909C Tetraene derivative and its production method
10/26/2004US6809206 Contacting a phenyl ester compound with a cyclic compound in the presence of a source of cyanide or fluoride to prepare acylated cyclic 1,3-dicarbonyl compounds
10/21/2004WO2004089883A1 Method for producing 3,3’-diallyl-4,4’-dihydroxydiphenylsulfone
10/20/2004EP1468987A1 Process for producing 2,4'-dihydroxydiphenyl sulfone
10/20/2004EP1467723A1 Phenyl sulfoxides and phenyl sulfones
10/20/2004EP1282611B1 Substituted phenylacetamides and their use as glucokinase activators
10/20/2004EP1282598B1 Method for producing sulfonyl-benzoyl guanidinium salts
10/19/2004US6806387 Process for preparation of allyl sulfone derivatives and intermediates for the preparation
10/13/2004EP1466897A1 Process for the preparation of organic compounds containing a sulfinyl or sulfonyl group in the presence of epsilon-phthalimidoperhexanoic acid
10/13/2004CN1537087A Method for producing monocarbonyl compounds or biscarbonyl compound or hydroxyl compounds
09/2004
09/30/2004US20040192929 Process for the preparation of organic compounds containing a sulfinyl or sulfonyl group
09/29/2004EP1462442A1 Crystals of bicalutamide and process for their production
09/28/2004US6797843 Process for preparing rac-bicalutamide and its intermediates
09/28/2004CA2461833A1 Process for the preparation of organic compounds containing a sulfinyl or sulfonyl group
09/21/2004US6794544 Method for the preparation of tetrahydrobenzothiepines
09/21/2004US6794534 Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
09/21/2004CA2235336C Method for purifying dimethyl sulphoxide (dmso)
09/16/2004WO2003091207A3 Method of preparing amine stereoisomers
09/15/2004CN1529591A Method for synthesizing phenol-containing compounds
09/15/2004CN1528661A Method for continuous concurrent preparation of sulfoxide chloride and phosphorus oxychloride
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