| Patents for C07C 315 - Preparation of sulfones; Preparation of sulfoxides (4,234) |
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| 06/15/2006 | US20060128812 Esterification of 2-[(diphenylmethyl)thio]acetic acid with an acyclic alcohol under reflux in the presence of an acid catalyst; amidation with ammonia; further oxidation with hydrogen peroxide produces Modafinil; central nervous system stimulant; narcolepsy |
| 06/15/2006 | US20060128767 Methods of preparing sulfinamides and sulfoxides |
| 06/14/2006 | EP1669347A1 Process for the preparation of 3-¬(4-fluorophenyl) sulfonyl|-2-hydroxy-2-methyl propionic acid |
| 06/13/2006 | US7060858 Reacting a sulfoxide compound with acid |
| 06/07/2006 | EP1663963A1 Process for enantioselective synthesis of single enantiomers of modafinil by asymmetric oxidation |
| 06/07/2006 | CN1784381A Method for crystallizing guanidinium salts |
| 06/07/2006 | CN1781905A Method for producing dihydroxydiphenylsulfone isomer mixture |
| 06/07/2006 | CN1258525C Process for purifying coenzyme Q10 intermediate |
| 06/06/2006 | US7057069 production of modafinil by reacting benzhydrol, thiourea and hydrobromic acid with a base potassium carbonate salt, then hydrolyzing with poatssium hydroxide and chloroacetamide; useful in treatment of narcolepsy and other sleep disorders; commercial scale |
| 06/06/2006 | US7057068 Process for the preparation of modafinil |
| 06/06/2006 | US7057067 Reacting a benzoic acid with a halogenating agent in presence of palladium catalyst to form halogenated benzoic acid or derivatives |
| 06/06/2006 | US7056903 Administering a therapeutical carbamate derivative to a patient as prostaglandin IP (12 or PGI2) antagonists |
| 05/24/2006 | CN1775749A Benzyl iso-octyl sulfoxide, and its preparing method, and method for extracting and separating palladium-platinum using same |
| 05/23/2006 | CA2152289C Process for preparing aromatic olefins using palladacycle catalysis |
| 05/18/2006 | WO2005097739A3 Nucleophilic substitution reactions of difluoromethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes |
| 05/17/2006 | EP1657288A1 2-Hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents |
| 05/16/2006 | US7045649 compounds are suitable, for example, for use as anorectics |
| 05/11/2006 | US20060100456 Diastereoselective method of preparing olefins by means of the horner-wadsworthemmons reaction, comprising the addition of a tris-(polyoxaalkyl)-amine sequestering agent |
| 05/11/2006 | US20060100252 Beta 3 adrenergic receptor agonists; pollakiuria or urinary incontinence; antiulcer, overactive bladder, pancreatitis, obesity, diabetes, insulin resistance, hypertriglyceridemia, hypercholesterolemia, tocolytic agents; 4'-[2-(2-hydroxy-2-phenylethyl]amino]ethyl]-4-biphenylyl]acetic acid |
| 05/10/2006 | CN1769318A Polymeric resin compounds and their preparation |
| 05/04/2006 | WO2005105718A3 Process for the production of cyclic diketones |
| 05/03/2006 | CN1768032A Method for producing 3,3íõ-diallyl-4,4íõ-dihydroxydiphenylsulfone |
| 05/02/2006 | US7037938 For therapy of urinary incontinence |
| 04/13/2006 | WO2006037894A1 Method for enantioselective preparation of sulphoxide derivatives |
| 04/13/2006 | US20060079707 Cyclization by reacting 4-(2-CHLORO-4-TRIFLUOROMETHYL-PHENYL)-4-CYANO-BUT-3-ENOIC ACID METHYL ESTER in the presence of a palladium catalyst and a base; chemical intermediates for preparing 10-AZA-TRICYCLO[6.3.1.02,7] drugs; bind nicotinic acetylcholine receptor, modulate cholinergic function |
| 04/13/2006 | CA2580446A1 Method for enantioselective preparation of sulphoxide derivatives |
| 04/12/2006 | EP1645553A1 Process for the preparation of cyclic ketones |
| 04/12/2006 | CN1250525C Purification of 2-nitro-4-methylsulphonylbenzoic acid |
| 04/06/2006 | WO2005046854A3 A process for the preparation of diphenylmethylsulfinyl derivatives |
| 04/05/2006 | CN1754899A Process for the solid phase synthesis of aldehyde, ketone, oxime, amine, hydroxamic acid and alpha, beta-unsaturated carboxylic acid and aldehyde compounds |
| 04/04/2006 | US7022869 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof |
| 03/30/2006 | WO2006034004A2 Processes and intermediates for preparing cysteine protease inhibitors |
| 03/30/2006 | CA2580065A1 Processes and intermediates for preparing cysteine protease inhibitors |
| 03/29/2006 | CN1753867A Process for preparing benzhydrylthioacetamide |
| 03/22/2006 | EP1636202A1 Method of producing an organic compound comprising at least one oxygenated functional group |
| 03/22/2006 | EP1636176A2 The polymorphic form a of 4- 6-acetyl-3- 3-(4-acetyl-3- hydroxy-2-propylphenylthio)propoxy -2-propylphenoxy butryric acid |
| 03/22/2006 | CN1751021A Crystalline forms of optical enantiomers of modafinil and method for the production |
| 03/22/2006 | CN1749245A Processes for the preparation of diphenylsulfone compounds |
| 03/22/2006 | CN1246308C Preparation process of beta-hydroxylic sulfone derivation |
| 03/22/2006 | CN1246307C Method for producing sulfolane by hydrogenation of sulfolene |
| 03/21/2006 | US7015208 carbocyclic alcohols such as 5-Chloro-2-methylsulfonylindan-1-ol and isomers, used as anorexigenic agents; side effect reduction; nontoxic |
| 03/15/2006 | CN1245394C Substituted phenylacetamides and their use as glucokinase activators |
| 03/15/2006 | CN1245376C Substituted 2-dialkylamino alkylbiphenyl derivatives |
| 03/09/2006 | WO2006024402A1 Chiral 3-halophthalic acid derivatives |
| 03/09/2006 | US20060052643 reacting difluoroalkylphenyl sulfone with bases to form a (benzenesulfonyl)difluoroalkyl anion, then further reacting the anion with nucleophiles to (benzenesulfonyl)difluoroalkyl compounds used as chemical intermediates |
| 03/09/2006 | CA2577942A1 Chiral 3-halophthalic acid derivatives |
| 03/08/2006 | CN1743308A Novel method for synthesizing thiamphenicol and florfenicol and its key intermediate product |
| 03/08/2006 | CN1244555C Method for hydrolysis of 1,2-bis(3'-nitrobenzene sulphone group )ethane byproduced in the production of 3-(beta-hydroxy ethylsulphonyl)nitrobenzene |
| 03/08/2006 | CN1244532C Process for preparing intermediates |
| 03/07/2006 | US7009055 Preparation of Sulfonyl quinoline |
| 03/02/2006 | WO2006021743A1 Process for the preparation of polymorphs of mesotrione |
| 03/02/2006 | CA2575636A1 Process for the preparation of polymorphs of mesotrione |
| 03/01/2006 | CN1740149A Processes for the preparation of diphenylsulfone compounds |
| 03/01/2006 | CN1740148A Processes for the preparation of diphenylsulfone compounds |
| 03/01/2006 | CN1243731C Method of combined preparing alliin and garlic polysaccharide |
| 02/28/2006 | USRE38995 Interfacial method of preparing ester-substituted diaryl carbonates |
| 02/16/2006 | US20060036115 Method For Producing Specific Crystalline Modifications Of Polmorphous Substances |
| 02/15/2006 | CN1735591A Method for preparing methyl 2-diphenylmethylsulfinylacetate |
| 02/15/2006 | CN1733715A Fluorine containing enamine compound, synthesis method and uses |
| 02/14/2006 | US6998497 Metal bis-triflimide compounds and methods for synthesis of metal bis-triflimide compounds |
| 02/14/2006 | US6998490 Process for the preparation of organic compounds containing a sulfinyl or sulfonyl group |
| 02/07/2006 | US6995287 Synthesis of vinylsulfones |
| 01/31/2006 | US6992219 Invention provides five novel polymorphic forms of modafinil racemate called CRL 40476 form III, CRL 40476 form IV, CRL 40476 form V, CRL 40476 form VI, CRL 40476 form VII; treatment of sleep disorders |
| 01/26/2006 | WO2005066119A3 Antibacterial 1-(4-mono-and di-halomethylsulphonylphenyl)-2-acylamino-3-fluoropropanols and preparation thereof |
| 01/25/2006 | CN1238323C Process for the solid phase synthesis of aldehydes, ketones, oximes, amines and hydroxamic acid compounds |
| 01/11/2006 | EP1614677A2 Improved procedure for the synthesis of bicalutamide |
| 01/11/2006 | EP1272462B1 Semi-continuous method for producing 4,4'-dihydroxydiphenylsulfone |
| 01/11/2006 | CN1235925C Solid phase synthesing method of aldehyde, ketonic, oxime, amine and isohydroximic acid compound |
| 01/11/2006 | CN1235877C Substd. N-phenyl-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide derivs. which elevate pyruvate dehydrogenase activity |
| 01/10/2006 | US6984496 Vitro assay for testing gabapentinoid activity |
| 01/04/2006 | EP1612205A1 Method for producing 3,3';-diallyl-4,4';-dihydroxydiphenylsulfone |
| 12/29/2005 | US20050288376 Bicyclyl or heterobicyclylmethanesulfonylanimo-substituted N-hydroxyformamides |
| 12/29/2005 | DE20122504U1 Kristallines und reines Modafinil Crystalline and pure modafinil |
| 12/21/2005 | CN1232506C 4,4'-disubstituent diphenyl sulfon comprisnig di-sulfo group (salt) structure and its preparing method |
| 12/14/2005 | EP1603867A2 Process for preparing benzhydrylthioacetamide |
| 12/13/2005 | USRE38921 have strong and selective leukotriene antagonist activity, and are useful for prevention and treatment of allergic diseases such as bronchial asthma |
| 12/13/2005 | US6974886 Removing trihydroxytriphenylsulfone and color impurities without altering the isomeric composition of 4,4'-DDS and 2,4'-DDS; dissolving in aqueous solvent, adjusting pH, and precipitation |
| 12/08/2005 | US20050272957 Process for preparing dibasic salts of bisphenols |
| 12/08/2005 | US20050272956 Process for producing high-purity 4,4'-dihydroxydiphenyl sulfone |
| 12/06/2005 | CA2161219C Process to prepare p-alkyl- and p-arylsulphonylbenzoic acid derivatives |
| 11/30/2005 | CN1229341C Method for oxidizing thioether group into sulfoxide group |
| 11/23/2005 | EP1283826A4 A process for preparing carotenoid polyene chain compounds and intermediates for preparing the same |
| 11/15/2005 | US6965054 Process for producing mixture of dihydroxydiphenylsulfone isomers |
| 11/15/2005 | US6964983 Compounds that modulate PPAR activity and methods for their preparation |
| 11/10/2005 | WO2005105718A2 Process for the production of cyclic diketones |
| 11/10/2005 | WO2005105717A1 Process for the production of cyclic diketones |
| 11/10/2005 | CA2562152A1 Process for the production of cyclic diketones |
| 11/09/2005 | CN1226285C Method for preparing sulphone by catalytic oxidation of thioether |
| 11/03/2005 | WO2005080309A8 Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid |
| 11/01/2005 | US6960693 Quaternary ammonium, phosphonium compound |
| 10/20/2005 | WO2005097739A2 Nucleophilic substitution reactions of difluoromethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes |
| 10/19/2005 | CN1684943A Process for producing high-purity 4, 4'-dihydroxydiphenyl sulfone |
| 10/13/2005 | WO2005095335A1 Ylide compounds, process for production of the same, and use thereof as herbicide and intermediates of drugs |
| 10/13/2005 | WO2005095307A1 Method for forming a carbon-carbon bond comprising an arenodiazo ether reaction |
| 10/13/2005 | US20050227995 Phenyl sulfoxides and phenyl sulfones |
| 10/12/2005 | EP1583739A1 Method for preparing methyl 2-diphenylmethylsulfinylacetate |
| 10/11/2005 | US6953797 Nitric oxide synthase inhibitor; antiinflammatory agents |
| 10/06/2005 | WO2005092846A1 Process for purifying mesotrione |
| 10/06/2005 | US20050222456 Synthesis of cyclohexanone derivatives |
| 10/06/2005 | US20050222257 Process for enantioselective synthesis of single enantiomers of modafinil by asymmetric oxidation |