| Patents for C07C 315 - Preparation of sulfones; Preparation of sulfoxides (4,234) |
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| 08/19/1992 | CN1063682A Herbictdes |
| 08/15/1992 | WO1992014700A1 Process for preparing 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and the like |
| 08/04/1992 | US5136097 Reacting an ionic carbide with a sulfonyl sulfide, hydrolysis |
| 08/04/1992 | US5136081 Fungicides |
| 08/04/1992 | US5135900 Aqueous solution of palladium compound and water soluble phosphine ligand associated with nitrile solvent; catalysts for nucleophilic substitution |
| 07/29/1992 | EP0496631A1 2-Cyano-1,3-dione herbicides |
| 07/29/1992 | EP0496630A1 2-Cyano-1,3-dione herbicides |
| 07/26/1992 | CA2059609A1 Herbicides |
| 07/22/1992 | EP0495222A1 Process for the preparaton of biphenyl derivatives by conversion of biphenyl with acid halides |
| 07/22/1992 | EP0495097A1 Preparation of relatively pure p, p-bisphenol s |
| 07/21/1992 | US5132462 Sulfide, sulfonyl and sulfinyl compounds, agricultural use |
| 07/21/1992 | US5132423 Nucleophilic substitution reaction of alkali hydroxy- or mercaptoaromatic compound and heterocyclic substituted imide |
| 07/21/1992 | CA1305479C2 O-aryl-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3h)-yl) benzene-acetonitriles |
| 07/21/1992 | CA1305349C Cyan dye-forming couplers and photographic materials containing same |
| 07/15/1992 | EP0494603A2 Process for extractive separation of phospho- and sulphobetaines from acidic reaction solutions |
| 06/17/1992 | EP0489818A1 Threonine derived asymmetric chemical synthesis and intermediates for making antifungal compounds |
| 06/17/1992 | EP0489788A1 Method of preparation of 4,4'-dihydroxydiphenylsulphone. |
| 06/17/1992 | DE4139828A1 Bis-4-aryloxy-phenyl-sulphone(s) prodn. - by reaction of 4,4-di:chloro-di:phenyl-sulphone with corresp. phenol(s) in presence of base, in a dipolar aprotic solvent, used to produce heat resistant thermoplastics |
| 06/03/1992 | EP0307446B1 Liquid phase isomerization of iodoaromatic compounds |
| 06/02/1992 | US5118848 Process for the preparation of 4,4'-bis(4-aminophenoxy)-diphenyl sulfone |
| 06/02/1992 | CA1302420C Indene derivatives and methods |
| 05/26/1992 | US5117064 Selective |
| 05/20/1992 | EP0485712A2 Process for the production of 4,4'-Bis(4-aminophenoxy)-diphenylsulfone |
| 05/20/1992 | CN1061219A Synthesis of diphenyl sulfone tetraformic acid and its derivative |
| 05/20/1992 | CN1016687B Process for preparation of alpha-aryl-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3h)-y1) benzene-acetonitriles |
| 05/19/1992 | US5115081 Process for producing copolycarbonate oligomer from dichloroformate |
| 05/19/1992 | CA1301183C2 Aralykyl (arylethynyl) aralkyl amines and their use as vasodilators and antihypertensives |
| 05/19/1992 | CA1301181C2 Oxiranes |
| 05/14/1992 | WO1992007824A1 Process for preparing florfenicol, its analogs and oxazoline intermediates thereto |
| 05/13/1992 | EP0484518A1 Selective monoacylation of substituted hydrazines |
| 05/13/1992 | CA2055179A1 Process for the preparation of 4,4'-bis-(4-aminophenoxy)-diphenyl sulpone |
| 05/12/1992 | CA1300638C Substituted phenyl acid esters, their preparation and their use as insecticides and acaricides |
| 05/05/1992 | CA1300158C Insecticidal thioethers and derivatives thereof |
| 04/30/1992 | DE4034109A1 Verfahren zur herstellung von biarylen A process to prepare biaryls |
| 04/29/1992 | CN1060653A Crystallization of optical isomers of leukotriene antagonists |
| 04/27/1992 | WO1992007809A1 Process for the production of diaryls |
| 04/27/1992 | CA2094802A1 Process for the production of diaryls |
| 04/22/1992 | EP0481428A1 Method for preparing 4-alkylsulfonyl-2-chloro-M-xylene |
| 04/21/1992 | US5107025 For monoazo dye synthesis |
| 04/21/1992 | CA1299200C Preparation of diaryl sulfones |
| 04/15/1992 | EP0480900A2 Process for preparing sulfonyl acids |
| 04/15/1992 | CN1016246B Method for mfg. aminophenol derivatives |
| 04/11/1992 | CA2053063A1 Process for preparing sulfonyl acids |
| 04/01/1992 | EP0478390A1 Improved method for the preparation of 4-methylsulfonyl benzoic acid derivatives and intermediates |
| 03/31/1992 | US5101069 Process for the preparation of hydroxyethylsulfonylnitro- and hydroxyethylsulfonylamino-benzoic acids |
| 03/31/1992 | CA1298317C Vapor phase bromination of aromatic compounds |
| 03/22/1992 | WO1992005151A1 Crystallization of optical isomers of leukotriene antagonists |
| 03/22/1992 | CA2091245A1 Crystallization of optical isomers of leukotriene antagonists |
| 03/19/1992 | WO1992004020A1 Method of inhibiting superoxide generation |
| 03/19/1992 | DE4029244A1 Prepn. of dansyl-ethoxy carbonyl chloride hydrochloride |
| 03/18/1992 | EP0475443A2 Chemical synthesis of oligonucleotides |
| 03/18/1992 | CN1059517A Acetamide derivatives |
| 03/18/1992 | CN1059515A Herbicidal compounds |
| 03/17/1992 | US5097074 Process for purifying 4,4'-dihydroxydiphenylsulfone |
| 03/17/1992 | US5097068 Trisubstituted benzoic acid intermediates |
| 03/17/1992 | CA1297632C Organic compounds and their pharmaceutical use |
| 02/25/1992 | US5091564 Catalytic oxidation of tetramethyldiphenyl sulfone |
| 02/25/1992 | CA1296355C Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions |
| 02/18/1992 | US5089647 Reacting racemic Grignard reagent with aromatic chiral sulfinate ester to yield mixed stereoisomer sulfoxides, then oxidation with peroxyacid to yield aromatic sulfones |
| 02/18/1992 | CA1296021C 2-(benzhydrylsulfonyl)acetamide, a process for its preparation and itstherapeutic use |
| 02/18/1992 | CA1296018C Urethanes composed of aliphatic fluoroalcohols, isocyanates and aromatic compounds, a process for their preparation and their use |
| 02/18/1992 | CA1296013C Process for preparing novel n-(acyloxyalkoxy) carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs |
| 02/12/1992 | EP0470103A1 Process for the production of alkane sulphonyl benzoic acids. |
| 02/11/1992 | US5087637 Skin disorders |
| 02/07/1992 | WO1992002493A1 Preparation of relatively pure p, p-bisphenol s |
| 02/07/1992 | CA2066178A1 Preparation of relatively pure p, p-bisphenol s |
| 02/05/1992 | EP0469887A1 Acetamide derivatives |
| 02/03/1992 | CA2048325A1 Acetamide derivatives |
| 01/28/1992 | US5084449 Anti-bacterial compositions comprising a substituted bis-(4-aminophenyl)-sulfone and a dihydro-folic acid reductase |
| 01/21/1992 | US5082976 Oxidation of aminostyrenes |
| 01/21/1992 | US5082973 Sulfonation of chlorobenzene |
| 01/21/1992 | US5082966 Oxidation, amination, bactericide intermediates |
| 01/15/1992 | EP0465665A1 Process for producing diphenyl sulfone compound |
| 01/14/1992 | US5081306 Synthesis of dihalobenzene disulfone compounds |
| 01/14/1992 | US5081249 From gaseous fluorine and solution of pyridinesulfonate |
| 01/08/1992 | EP0464381A2 2-Methoxyiminocarboxylic acid esters |
| 01/07/1992 | US5079381 Method for the preparation of 4-methylsulfonyl benzoic acid derivatives and intermediates |
| 01/01/1992 | CN1057454A Method for production of sulfoxide chloride by use of sulphur, chlorine and sulfur trioxide |
| 12/26/1991 | WO1991017978A3 Selective monoacylation of substituted hydrazines |
| 12/25/1991 | CN1015175B Anticonvulsant agents |
| 12/18/1991 | EP0461797A1 Herbicidal oximethers |
| 12/18/1991 | EP0461653A1 Process for producing beta-carotene, and intermediate compounds useful for the process |
| 12/18/1991 | EP0461272A1 Process for producing 4,4'-dihydroxydiphenyl sulfone |
| 12/10/1991 | US5072049 Process for the preparation of bis(4-hydroxyphenyl) sulfone |
| 12/10/1991 | US5071640 Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains |
| 12/03/1991 | US5069828 Esterification of hydroxybenzenesulfonate with acid chloride i n presence of phase transfer agent |
| 12/03/1991 | CA1292747C Aralykyl (arylethynyl) aralkyl amines and their use as vasodilators and antihypertensives |
| 11/28/1991 | WO1991017978A2 Selective monoacylation of substituted hydrazines |
| 11/26/1991 | US5068446 Crystallization and heat treatment |
| 11/26/1991 | US5068369 Enantiomorphs |
| 11/26/1991 | US5068272 Salt with 4-(3-(ethyl-(3-(propylsulfinyl)propyl)amino)-2-hydroxypropoxy)benzonitrile |
| 11/26/1991 | CA1292479C Process for the manufacture of n-(sulfonylmethyl) formamides |
| 11/19/1991 | US5066675 Alkynyl substituent, agricultural use |
| 11/13/1991 | EP0456073A2 Multifunctional compounds having alpha-diazo-beta-ketoester units and sulfonic acid ester units and process for their preparation. |
| 11/12/1991 | US5064860 Disease therapy |
| 11/12/1991 | CA1291990C Antiatherosclerotic tetrasubstituted ureas and thioureas |
| 11/06/1991 | EP0455332A2 Acylation or sulphonylation of aromatic compounds |
| 10/22/1991 | US5059715 Preparation of bis(4-hydroxyphenyl)sulfone |
| 10/09/1991 | CN1014237B Process for prodn. of petroleum subsulphone from high sulphur-bearing diesel |
| 10/08/1991 | US5055605 Preparation of trisubstituted benzoic acid precursors |