| Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304) |
|---|
| 10/27/1998 | US5827806 Preparation of sulfurized phenol additives intermediates and compositions |
| 10/27/1998 | US5827538 Controlled release of the water-insoluble core after imbibement of water vapor and wetting of a porous wall of semipermeable hydrophobic membrane impervious to liquid water; drug delivery |
| 10/20/1998 | US5824681 Immunomodulating effect |
| 10/15/1998 | WO1998045271A1 Process for making a butylthio-isoquinoline and intermediates therefor |
| 10/14/1998 | EP0870761A1 Thiocolchicine derivatives with antiinflammatory and muscle relaxant activities |
| 10/14/1998 | EP0869940A1 Method for preparing organic disulphides and polysulphides in the presence of polystyrene-divinylbenzene (ps-dvb) resins having guanidine or amidine groups |
| 10/14/1998 | EP0869939A1 Novel sulfonate ester |
| 10/13/1998 | US5821388 Halogenation of methylthioacetophenone with chlorine or bromine in presence of methanol, oxidation with aqueous solution of hydrogen peroxide, sodium tungstate catalyst, and acid produces alpha-halo(methyl-sulfonyl)acetophenone |
| 10/13/1998 | US5821382 Reacting unsaturated compound and hydrogen sulfide in presence of nitrogen-containing compound selected from substituted or unsubstituted amides or ureas and polysulfide compound or sulfur |
| 10/13/1998 | US5821262 Hydroxamic acid derivatives as inhibitors of cytokine production |
| 10/08/1998 | WO1998043967A1 PROCESS FOR PRODUCING 2-(BENZO[b]THIOPHEN-5-YL)-2-HYDROXYACETIC ACID DERIVATIVES, OPTICALLY ACTIVE COMPOUNDS THEREOF, OR SALTS OF BOTH |
| 10/07/1998 | CN1195337A Synthesis of alpha-chloro or fluoro ketones |
| 09/23/1998 | EP0866112A1 Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same |
| 09/23/1998 | CN1193622A Method for production of sulfide group-containing thiol compound |
| 09/22/1998 | US5811571 Process for preparing aromatic or heteroaromatic sulfonyl halides |
| 09/16/1998 | EP0863857A1 Perfluoroalkylation method and reagent therefor |
| 09/15/1998 | US5808164 Process for producing aromatic sulfides |
| 09/15/1998 | US5808140 Process for making mesna, dimesna and derivatives thereof |
| 09/09/1998 | EP0863135A2 Method for separating ammonium sulfate and ammonium bisulfate from each other and process for producing 2-hydroxy-4-methylthiobutanoic acid utilizing the method |
| 09/08/1998 | US5804582 Administering immunogenic organic amine salt of n,n'-diacetylcystine |
| 09/02/1998 | EP0861834A1 Process for preparing optically active trans-3-substituted glycidic acid ester |
| 09/02/1998 | EP0830362A4 Process for the synthesis of vinyl sulfenic acid derivatives |
| 09/02/1998 | CN1192215A Process for the synthesis of vinyl sulfenic acid derivatives |
| 09/01/1998 | US5801201 1-phenyl-2-dimenthylaminomethyl-cyclohexan-1-ol compounds as pharmaceutical active ingredients |
| 08/26/1998 | CN1039586C Method for preparing organic salts of N, N'-diacetyl cystine |
| 08/20/1998 | WO1998035934A1 η-OXO-HOMOPHENYLALANINE DERIVATIVES AND PROCESS FOR PRODUCING HOMOPHENYLALANINE DERIVATIVES BY REDUCING THE SAME |
| 08/19/1998 | CA2229721A1 Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same |
| 08/11/1998 | US5792029 Foot skate climbing simulation exercise apparatus and method |
| 08/05/1998 | CN1189819A Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof |
| 08/05/1998 | CN1189818A Processes for the prepn. of 3-(methylthio) propanal and 2-hydroxy-4-(methylthio) butanenitrile |
| 08/05/1998 | CN1189488A Method for preparing cystine coproduced non-salt compound amino-acid |
| 08/05/1998 | CN1189487A Process for separating product gas mixture from catalytic synthesis of methyl mercaptan |
| 08/04/1998 | US5789599 Biologically active compounds |
| 07/30/1998 | WO1998032735A1 Process for the preparation of 2-hydroxy-4-(methylthio)butanoic acid or methionine by mercaptan addition |
| 07/29/1998 | CN1188759A Preparation method of methyl alkyl dithio ether |
| 07/29/1998 | CN1039318C 3,3-dithiobis dipropyl acid and prepration method of esters thereof |
| 07/28/1998 | US5786520 O-alkylation of phenolic compounds via rare earth orthophosphate catalysts |
| 07/28/1998 | US5786515 Synthesis of α-chloro or fluoro ketones |
| 07/28/1998 | US5786511 Catalytic reaction of mercaptan with sulfur |
| 07/28/1998 | US5786494 Process for the synthesis of α-substituted acrylic acids and their application |
| 07/22/1998 | EP0854137A1 Method for production of sulfide group-containing thiol compound |
| 07/22/1998 | CN1188470A Process for preparation of 3-(methylthion) propanal |
| 07/22/1998 | CN1188109A Process for production of sulfide group-containing mercaptocarboxylic acid and ester thereof |
| 07/16/1998 | WO1998030538A1 Process for producing cysteine derivatives |
| 07/16/1998 | WO1998030537A1 Nitric oxide synthase inhibitors |
| 07/14/1998 | US5780402 Alkylated thiophenol lubricants |
| 07/14/1998 | CA2127755C Method for crystallizing methionine |
| 07/08/1998 | EP0851850A1 SYNTHESIS OF $g(a)-CHLORO OR FLUORO KETONES |
| 07/07/1998 | US5777167 Neutralizing impurities with aqueous solution of an alkali metal hydroxide |
| 07/07/1998 | US5777111 Derivatives of aryl substituted 1,3-oxazines |
| 07/02/1998 | DE19654485A1 Preparation of stable monomeric 2-hydroxy-4-methylthio-butyric acid |
| 07/01/1998 | EP0850923A1 Process for the separation of the gas mixture from the catalytic synthesis of methyl mercaptan |
| 07/01/1998 | EP0850922A1 Process for the continuous preparation of methyl mercaptan |
| 07/01/1998 | CN1186068A Preparation of 2-hydroxy-4-methylthiobulyric acid with stability for store |
| 07/01/1998 | CN1186067A Process for continuous production of methyl mercaptan |
| 06/30/1998 | US5773641 Synthesis of esters of mercaptocarboxylic acids |
| 06/30/1998 | US5773284 Reacting glycine amide with benzaldehyde |
| 06/24/1998 | EP0848697A1 Process for the hydrogenation of imines |
| 06/24/1998 | EP0705243B1 Beta-aminovinyl ketones, preparation method therefor and use thereof for preparing beta diketones |
| 06/24/1998 | EP0700380B1 N-alkylthio polyamine derivatives as radioprotective agents |
| 06/24/1998 | CN1185432A Process for synthesis of 3-mercaptopropionic acid |
| 06/24/1998 | CN1185431A Process for synthesis of 3-mercaptoprapionic acid esters |
| 06/23/1998 | US5770769 Process for the preparation of D,L-methionine or the salt thereof |
| 06/23/1998 | US5770758 3-amino-2-mercaptobenzoic acid derivatives and processes for their preparation |
| 06/23/1998 | CA2133808C Synthesis of methylmercaptan from dimethyldisulfide |
| 06/16/1998 | US5767316 Process for producing 3-amino-2-oxo-1-halogenopropane derivatives |
| 06/16/1998 | US5767229 Reacting sulfur with mercaptan or lower order polysulfide to form disulfide or higher order polysulfide |
| 06/11/1998 | WO1998024748A1 Process for the racemization of substituted 4-ketocarboxylic acids |
| 06/10/1998 | EP0729447A4 Method of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane |
| 06/10/1998 | CN1038675C Herbicide and its use |
| 06/09/1998 | US5763618 Manufacturing method of sulfides |
| 06/04/1998 | DE19649827A1 Verfahren zur Racemisierung von substituierten 4-Ketocarbonsäuren A process for the racemization of substituted 4-ketocarboxylic acids |
| 06/02/1998 | US5760269 Reacting allyl methanesulfonate with chloroform; chemical intermediate for pesticides |
| 06/02/1998 | US5760268 Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid |
| 05/28/1998 | WO1998022435A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds |
| 05/27/1998 | EP0844239A1 Method for producing homocystine |
| 05/27/1998 | EP0844238A1 Process for production of sulfide group-containing mercaptocarboxylic acid and ester thereof |
| 05/27/1998 | EP0844237A1 Process for the synthesis of esters of 3-mercaptopropionic acid |
| 05/27/1998 | CN1182735A Diphenolic quaternary salt, its preparational process and usage |
| 05/26/1998 | US5756849 Reducing concentration needed |
| 05/26/1998 | US5756843 Quaternary bisphenolates, methods for their preparation, and uses thereof |
| 05/26/1998 | US5756832 Process for preparing amino acid esters useful as intermediates for compounds containing a fused bicyclic ring |
| 05/26/1998 | US5756809 Process for the preparation of (2RS,3RS)-3-(2'-aminophenylthio)-2-hydroxy-3-(4"-methoxyphenyl)-propionic acid methyl ester |
| 05/26/1998 | US5756803 Process for the condensation of an aldehyde with hydrogen cyanide |
| 05/22/1998 | CA2218927A1 Process for the synthesis of 3-mercaptopropionic acid esters |
| 05/20/1998 | EP0842149A1 Process for the preparation of 3-(methylthio)propanal |
| 05/19/1998 | CA2043455C Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts |
| 05/13/1998 | EP0840717A1 Preparation of aldehydes or ketones from alcohols |
| 05/13/1998 | CN1181378A Process for producing methionine |
| 05/12/1998 | US5750763 Reacting the corresponding disulfide compound with alkali metal hydroxide in presence of a sulfur compound; then halogenated fatty acid ester |
| 05/07/1998 | WO1998018757A1 Synthesis of benzo[f]quinolinones |
| 05/07/1998 | CA2270433A1 Synthesis of benzo¬f|quinolinones |
| 05/06/1998 | EP0839807A1 Synthesis of benzo(f)quinolinones |
| 05/06/1998 | EP0839804A2 Process for producing methionine |
| 05/05/1998 | US5747513 Hypotensive agents, heart failure and cerebrovascular insufficiency |
| 04/28/1998 | US5744647 A liquid reaction medium containing 3-(methylthio)propanal, methyl mercaptan and catalyst is contacted with acrolein gas flow to produce reaction prodct; separtion of non-condensable gases, recycling circulation fraction |
| 04/28/1998 | US5744609 Method for producing alkylsulfinylbenzamides and 1-2 benzisothiazol-3-ones |
| 04/28/1998 | US5744021 2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for their preparation |
| 04/22/1998 | EP0837046A1 Process for preparing o-alkyl-fluoro-benzenes |
| 04/22/1998 | CN1038127C Process for preparation of amino-substituted thioethers |