| Patents for C07C 315 - Preparation of sulfones; Preparation of sulfoxides (4,234) |
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| 08/25/1993 | EP0429619B1 New process for the preparation of phenyl-guanidine derivatives |
| 08/24/1993 | CA1321600C Process for the preparation of aminoaryl-.beta.- sulfatoethylsulfone compounds |
| 08/19/1993 | WO1993016036A1 Novel amidine derivatives, their preparation and their use as mediaments with ltb-4 antagonistic effect |
| 08/19/1993 | CA2427890A1 New amidine derivatives, the preparation and use thereof |
| 08/18/1993 | EP0555340A1 Process for preparing florfenicol, its analogs and oxazoline intermediates thereto. |
| 08/18/1993 | EP0555260A1 Process for the production of diaryls. |
| 08/18/1993 | CN1021817C Novel polyamine derivatives |
| 08/17/1993 | CA1321394C Oxime ethers, the preparation thereof, compositions containing them and the use thereof |
| 08/11/1993 | EP0554455A1 Optically active intermediate and production thereof |
| 08/10/1993 | US5235084 Condensation of sulfonic acid ester of 4-hydroxybiphenyl with a sulfonyl chloride; dehydrochlorination; Lewis acids |
| 08/06/1993 | CA2129526A1 Novel amidine derivatives, their preparation and their use as medicaments with ltb4 antagonistic effect |
| 07/28/1993 | EP0552605A1 Mixed oxalic acid diamides |
| 07/28/1993 | EP0552254A1 Crystallization of optical isomers of leukotriene antagonists |
| 07/14/1993 | CN1074212A Crystallization of optical isomers of leukotriene antagonists |
| 07/13/1993 | US5227527 Process for the preparation of 3'-aminopropyl 2-chloroethyl sulfone semisulfate |
| 07/08/1993 | WO1993013060A1 Novel intermediate compound and production thereof |
| 07/08/1993 | WO1993013055A1 Amidino derivatives and their use as nitric oxide synthase inhibitors |
| 06/30/1993 | EP0420972B1 Process for the preparation of sulphonylmethanes and their derivatives |
| 06/24/1993 | WO1993012054A1 Crystallization of optical isomers of leukotriene antagonists |
| 06/24/1993 | WO1993011760A1 Aromatic esters of phenylenedialkanoates as inhibitors of human neutrophil elastase |
| 06/24/1993 | CA2125495A1 Crystallization of optical isomers of leukotriene antagonists |
| 06/10/1993 | WO1993011103A1 Fluorinated hydrocarbon compounds, their use in cosmetic compositions, method of preparing them and cosmetic compositions containing them |
| 06/10/1993 | WO1993011102A1 Preparation of trisubstituted benzoic acid precursors |
| 06/10/1993 | CA2103922A1 Hydrofluorocarbon compounds, their use in cosmetic compositions, a process for their preparation and cosmetic products containing them |
| 06/01/1993 | US5216022 Aromatic esters of phenylenedialkanoates as inhibitors of human neutrophil elastase |
| 06/01/1993 | CA1318688C Process for making propargyl ether of bisphenols |
| 05/25/1993 | US5214201 Crystallization of optical isomers of leukotriene antagonists |
| 05/19/1993 | EP0541946A1 Process for diastereo selective reductive pinacol-coupling of homochiral alpha-aminoaldehydes |
| 05/19/1993 | CN1020727C Process for preparation of 3-(4-chlorohenol)-3-(3.4-dimelhoxyphenol) acrylic acid morpholine |
| 05/04/1993 | CA1317312C Process for the preparation of aromatic dialkylamines |
| 04/27/1993 | US5206440 Oxidation of fluorine containing sulfides to sulfones |
| 04/27/1993 | CA1316933C Carboxylic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them |
| 04/21/1993 | EP0537589A2 Process for the preparation of dinitro- and diaminophenoxy compounds |
| 04/13/1993 | US5202484 Process for the stereochemical inversion of (2s,3s)-2-amino-3-phenyl-1,3-propanediols into their (2r,3r) enantiomers |
| 04/08/1993 | CA2079953A1 Process for the diastereoselective reductive pinacol coupling of homochiral o-aminoaldehydes |
| 03/30/1993 | US5198567 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them |
| 03/30/1993 | CA1315287C Substituted bis-(4-aminophenyl)-sulfones, their preparation and their use as pharmaceutical compositions |
| 03/25/1993 | DE4131355A1 2-Phenyl sulphanyl and sulphonyl propane cpds. prodn. from thiophenol - by chlorination with chlorine@ addn. of allyl cpd. and opt. oxidn. with hydrogen peroxide |
| 03/24/1993 | EP0532965A2 Process for the preparation of aromatic carbonyl- or sulfonyl compounds with aryletherstructure |
| 03/16/1993 | CA1314557C Certain 2-(2'-substituted benzoyl)-1,3-cyclohexanediones |
| 03/16/1993 | CA1314556C Certain 2-(2'-alkylbenzoyl)-1,3-cyclohexanediones |
| 03/04/1993 | WO1993004039A1 Purification of diphenylsulfone-4,4'-dicarboxylic acid |
| 03/03/1993 | EP0529509A1 Electrophotographic toner |
| 03/03/1993 | CN1019971C Preparation of 3,3-diarylacrylic acid amides |
| 03/02/1993 | US5191069 Polyfunctional compounds containing α-diazo-β-keto ester units and sulfonate units |
| 02/27/1993 | WO1993003838A1 Chiral catalysts, catalytic oxidation and disproportionation reactions, and methods of producing epoxychromans and taxol |
| 02/23/1993 | US5189224 As an intermediate for agricultural chemicals |
| 02/23/1993 | US5189223 Process for preparation of 4,4'-dihydroxydiphenylsulfone |
| 02/17/1993 | EP0527614A1 Purification of oxidatively labile organic compouds by selectively removing cyanide using a cyanide reacting enzyme |
| 02/09/1993 | US5185468 Oxidizing sulfone alcohol to aldehyde, followed by coupling with phosphonium salt of vitamin A, basification |
| 02/09/1993 | US5185454 Reacting aryl bromide with acetylene in presence of palladium catalyst and nitrogen-containing heterocyclic base |
| 02/03/1993 | EP0307458B1 Processes for isomerizing and oxidative iodinating aromatic compounds |
| 01/13/1993 | EP0495097A4 Preparation of relatively pure p, p-bisphenol s |
| 01/05/1993 | CA1312336C Aromatic polycyclic derivatives, their preparation process and their use in human and veterinary medicine as well as in cosmetics |
| 12/30/1992 | EP0520404A1 Transparent recording medium |
| 12/29/1992 | US5175351 Process for the preparation of alkanesulfonylbenzoic acids |
| 12/23/1992 | WO1992022560A1 Optically active intermediate and production thereof |
| 12/23/1992 | EP0518889A1 Method for preparing 3'-aminopropyl-2-sulphatoethylsulphone. |
| 12/16/1992 | EP0518321A1 Process for the preparation of 3-aminopropyl-2-chloroethyl sulfone semisulfate |
| 12/16/1992 | CN1019485B Arylcarboxylic acid derivative, preparation and use thereof |
| 12/15/1992 | US5171883 Reacting alkyl mercaptide with acrylic acid salt, after formation of the thioether, reaction medium is treated with chlorine gas for oxidation |
| 12/13/1992 | CA2071060A1 Process for the preparation of 3'-aminopropyl 2-chloroethyl sulfone semisulfate |
| 12/09/1992 | CN1066843A Herbicides |
| 12/09/1992 | CN1019388B Process for preparing n-alkylsulfurylanilline derivatives |
| 12/08/1992 | CA1311240C Arylcarboxylic acid derivatives, the preparation and use thereof |
| 12/01/1992 | CA1310978C Process for the preparation of halogen-containing aromatic compounds |
| 11/24/1992 | US5166378 Selective monoacylation of substituted hydrazines |
| 11/19/1992 | EP0390826B1 Process for producing aminoaryl-beta-sulphatoethylsulphone compounds |
| 11/17/1992 | US5164527 Zeolite catalysts |
| 11/11/1992 | EP0307457B1 Improved vapor phase bromination of aromatic compounds |
| 11/11/1992 | CN1066061A Process for successive preparing aminoaryl-or aminoalkyl-beta-sulfatoethylsulfon |
| 11/03/1992 | CA1309729C Liquid phase isomerization of iodoaromatic compounds |
| 10/28/1992 | EP0510480A1 Process for the continuous preparation of aminoaryl or aminoalkyl beta-sulfatoethyl sulfones |
| 10/24/1992 | CA2066799A1 Process for the continuous preparation of aminoaryl or aminoalkyl beta -sulf atoethyl sulfones |
| 10/20/1992 | US5157150 Herbicides |
| 10/20/1992 | US5157144 2-(halomethyl)-alpha-(methoxyimino) benzeneacetic acid methyl ester |
| 10/20/1992 | US5157143 Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives |
| 10/20/1992 | CA1309113C Selective liquid phase disproportionation catalysts for iodoaromatics |
| 10/14/1992 | EP0508424A2 Method for preparing sulfones |
| 10/13/1992 | US5155271 Process for the alkylation of aromatic amines |
| 10/13/1992 | US5155258 Intermediates for drugs, herbicides |
| 10/13/1992 | US5155133 Antiarrhythmic compounds and pharmaceutical compositions and methods thereof |
| 10/07/1992 | EP0507153A2 Stereoisomeric enrichment of 2-amino-3-hydroxy-3-phenyl-propionic acids |
| 10/07/1992 | CN1018548B Carboxylic acid derivatives, processes for preparation thereof and pharmaceutical compositions containing them |
| 10/06/1992 | CA1308421C Process for preparing iodinated aromatic compounds |
| 10/01/1992 | DE4105743C1 Benzyl:aryl:sulphone(s) useful as LCD - are produced by reacting salt of aryl:sulphinic acid with corresp. benzyl halide |
| 09/30/1992 | EP0505965A1 Process for the preparation of alkanesulfonyl benzoic acids |
| 09/16/1992 | EP0503561A2 Method for the diastereoselective reductive pinacol coupling of homochiral alpha aminoaldehydes |
| 09/16/1992 | CA2063013A1 Process for the diastereoselective reductive pinacol coupling of homochiral -aminoaldehydes |
| 09/09/1992 | CN1018180B Preparation method for phenylacetric acid derivative |
| 09/08/1992 | US5145611 Diabetes |
| 09/03/1992 | WO1992014699A1 Process for making 4,4'-dihydroxydiphenyl sulfone |
| 09/03/1992 | WO1992014698A1 Process for purifying impure mixtures containing 4,4'-dihydroxydiphenyl sulfone |
| 09/02/1992 | EP0501252A1 Bifuntional reactive alges |
| 09/02/1992 | EP0500639A1 Process for the production of alkyl-(3-chlorophenyl) sulphones. |
| 09/01/1992 | CA1307000C Urea derivatives, a process for their preparation and medicaments containing these compounds and their use |
| 08/28/1992 | WO1992015559A1 Method for preparing 3'-aminopropyl-2-sulphatoethylsulphone |
| 08/28/1992 | CA2104945A1 Method for preparing 3'-aminopropyl-2-sulphatoethylsulphone |
| 08/25/1992 | US5142064 Larvicides has benzoyl or thiobenzoyl group |
| 08/25/1992 | US5142057 Reacting an organic chloride with carbon monoxide and amine |