Patents for C07B 45 - Formation or introduction of functional groups containing sulfur (608) |
---|
08/16/2000 | EP1028107A1 Photoinitiation of the sulfochlorination or sulfoxidation of alkanes through UV-excimer-ray for the preparation of alkylsulphonic chlorides and alkylsulfonates |
08/02/2000 | CN1261552A Catalyst for preparing thio-alcohol using zircomiumoxide as base |
07/19/2000 | EP1019351A1 Method for acylation or sulphonation of an aromatic compound |
06/07/2000 | EP1005906A1 Catalysts based on zirconia for preparation of thiols |
06/07/2000 | CN1053174C Method for sulfonating liquid state organics by gas phase sulfur trioxide and its equipment |
05/11/2000 | WO2000026161A1 Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis |
04/25/2000 | CA2004776C Process for the preparation of perfluoroalkylthioethers |
04/05/2000 | CN1249737A Method for acylation or sulphonation of aromatic compound |
03/23/2000 | WO2000015585A1 Method for condensation of aromatic derivative(s) and a sulphinic derivative |
03/15/2000 | EP0984935A1 Method for producing substituted thiopyridines |
03/09/2000 | DE19840319A1 Verfahren zur Herstellung von aromatischen oder heteroaromatischen Sulfonsäurechloriden A process for the preparation of aromatic or heteroaromatic sulphonyl chlorides |
03/08/2000 | EP0983982A1 Process for the preparation of aromatic or heteroaromatic sulfonyl chlorides |
03/08/2000 | EP0983979A1 Dielectric material |
03/08/2000 | EP0983216A1 Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent |
01/26/2000 | EP0973704A1 Process for the manufacture of arylsulfonyl chloride |
10/06/1999 | CN1230940A Method for grafting substituted difluoromethyle group |
08/19/1999 | WO1999041236A1 Synthesis of 1-(2-sulphoethyl)-pyridinium betaine |
08/19/1999 | CA2320173A1 Synthesis of 1-(2-sulphoethyl)-pyridinium betaine |
08/12/1999 | DE19805487A1 Synthese von 1-(2-Sulfoethyl)-pyridiniumbetain Synthesis of 1- (2-sulfoethyl) pyridinium betaine |
08/10/1999 | US5936106 Process with porous means to control reaction rate and heat |
07/01/1999 | WO1999032440A1 Method for preparing aromatic thiols and derivatives, reagents, intermediate products and method for obtaining them |
06/15/1999 | US5911958 Reaction of sulfur trioxide to produce surfactants for cosmetics or detergents |
06/01/1999 | US5908943 Prepared by (i) reacting an allyl derivative of an active hydrogen-containing compound with (ii) a peroxygen-containing compound. |
05/26/1999 | EP0817674B1 Multitube falling film reactor for the continuous manufacturing of sulfonated and/or sulfated compounds |
05/26/1999 | EP0799261B1 Process for preparation of allyl ether, thioether and amine compounds |
05/19/1999 | EP0915814A1 Method for grafting a substituted difluoromethyle group |
04/28/1999 | EP0587774B1 Sulfonation process for viscous sulfonic acid |
03/24/1999 | EP0903174A1 Method and device for the liquid phase oxidation of organic compounds using peroxidic oxidants |
03/22/1999 | CA2247662A1 Process and apparatus for the oxidation of organic compounds in liquid phase using peroxide oxidizing agents |
02/10/1999 | EP0677045B1 Catalytic oxidation process of thiols |
02/03/1999 | CN1041924C Sulfuric acid, sulfate, dithio-amino formic acid and its salt oxidation process |
01/27/1999 | EP0893183A2 Exothermic process with porous means to control reacton rate and exothermic heat |
01/12/1999 | US5859288 Reagent and process for the synthesis of oxysulphide-containing fluorine-containing organic derivatives |
01/06/1999 | CN1204312A Method for preparing organic disulphides and polysulphides in presense of polystyrene-divinylbenzene (PS-DVB) resins having primary amine groups |
12/03/1998 | WO1998054139A1 Method for producing substituted thiopyridines |
11/26/1998 | WO1998052886A1 Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent |
11/11/1998 | EP0876312A1 Method for preparing organic disulphides and polysulphides |
09/17/1998 | WO1998040339A1 Method for acylation or sulphonation of an aromatic compound |
09/17/1998 | WO1998040332A1 Process for the manufacture of arylsulfonyl chloride |
09/17/1998 | CA2282680A1 Method for acylation or sulphonation of an aromatic compound |
09/15/1998 | CA2102176C Sulfonation process for viscous sulfonic acid |
08/04/1998 | US5789615 Oil additive |
07/28/1998 | US5786511 Catalytic reaction of mercaptan with sulfur |
05/27/1998 | CN1183059A Multitube falling film reactor for the continuous mfg. of sulfonated and/or sulfated compounds |
05/19/1998 | CA2043455C Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts |
04/21/1998 | US5741934 Preparation of primary mercaptans |
02/12/1998 | WO1998005609A1 Method for grafting a substituted difluoromethyle group |
02/12/1998 | CA2262499A1 Method for grafting a substituted difluoromethyle group |
01/21/1998 | CN1171125A Process for preparing allyl ether, thioether and amine compounds |
01/21/1998 | CN1171124A Process for preparing epoxy compounds |
01/14/1998 | EP0817674A1 Multitube falling film reactor for the continuous manufacturing of sulfonated and/or sulfated compounds |
11/04/1997 | US5684184 Process for preparation of sulphonates |
10/15/1997 | EP0801056A2 Preparation of primary mercaptans |
10/08/1997 | EP0799262A1 Process for preparation of epoxy compounds |
10/08/1997 | EP0799261A1 Process for preparation of allyl ether, thioether and amine compounds |
09/10/1997 | EP0794186A1 The preparation of sulfur-containing organosilicon compounds |
09/10/1997 | EP0655054B1 Process for preparation of sulphonates |
09/07/1997 | CA2176680A1 Preparation of sulfur-containing organosilicon compounds |
09/02/1997 | US5663128 Liquid antioxidants as stabilizers |
06/19/1997 | WO1997021649A1 Method for preparing organic disulphides and polysulphides |
06/19/1997 | CA2235714A1 Method for preparing organic disulphides and polysulphides |
04/08/1997 | US5618945 Process for the sulfinylation of heterocyclic compounds |
04/02/1997 | EP0765930A2 Process for preparation of sulphonates |
02/19/1997 | CN1143064A Method for sulfonating liquid state organics by gas phase sulfur trioxide and its equipment |
02/12/1997 | CN1142491A Reagent and process for synthesis of oxysulphide containing fluorine-containing organic derivatives |
01/21/1997 | US5596128 Sulfonating agent and sulfonation process |
12/10/1996 | US5583245 Reacting haloalkylsilane compound with ammonium or alkali metal hydrosulfide and sulfur in presence of phase transfer catalyst and aqueous phase |
12/10/1996 | US5583240 Exothermic process with porous means to control reaction rate and exothermic heat |
11/26/1996 | US5578740 Process for preparation of epoxy compounds essentially free of organic halides |
10/16/1996 | EP0737674A2 Process for the preparation of sulfurized olefins |
10/15/1996 | US5565689 Reactant for perfluoroalkylation of nucleophilic substrates with sodium perfluoroalkanesulphinates in an oxidizing medium |
10/03/1996 | WO1996030117A1 Multitube falling film reactor for the continuous manufacturing of sulfonated and/or sulfated compounds |
10/02/1996 | EP0735023A1 Reagent and process for the synthesis of organic sulphoxylated and fluorinated derivatives |
07/31/1996 | EP0505582B1 Sulfonating agent and process |
07/09/1996 | US5534634 Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane |
07/04/1996 | WO1996020233A1 Process for preparation of epoxy compounds |
07/04/1996 | WO1996020232A1 Process for preparation of allyl ether, thioether and amine compounds |
07/03/1996 | CN1032201C Process for preparing perhaloalkylthioethers |
04/24/1996 | EP0629188B1 Regioselective sulphonylation of substituted aromatic compounds |
04/23/1996 | US5510518 Process for the hydrosulfination of olefins |
04/16/1996 | US5507973 Highly reactive zerovalent metals from metal cyanides |
02/13/1996 | US5490952 Highly reactive form of copper and reagents thereof |
02/13/1996 | US5490951 Zerovalent copper species capable of reacting with allylic halide or acetate to form allylic organocuprate; for synthesis of highly functional compounds |
12/20/1995 | EP0687200A1 Exothermic process with porous means to control reaction rate and exothermic heat |
11/21/1995 | US5468903 Regioselective sulfonylation reaction of substituted aromatic compounds |
10/31/1995 | US5463075 Process for preparing 1,2-pyrazolidine-4-yl-disulfide compound |
10/25/1995 | CN1110682A Process for the sulphinylation of heterocyclic compounds |
10/18/1995 | EP0677045A1 Catalytic oxidation process |
08/29/1995 | US5445801 Multitube falling-film reactor |
08/23/1995 | EP0668269A1 Process for the sulfinylation of heterocyclic compounds |
05/31/1995 | EP0655054A1 Process for preparation of sulphonates. |
03/30/1995 | CA2133153A1 Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane |
03/29/1995 | EP0645355A1 Method for the preparation of trifluoroethyl sulphur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane |
03/22/1995 | EP0644195A1 Liquid antioxidants as stabilisers |
03/08/1995 | EP0641783A1 Process for preparing 1,2-pyrazolidine-4-yl-disulfide compound |
03/08/1995 | EP0641755A1 Process for the hydrosulphination of olefins |
02/08/1995 | EP0587774A4 Sulfonation process for viscous sulfonic acid. |
02/07/1995 | US5387718 Method of manufacturing alkylphenyl alkyl ethers or alkylphenyl alkyl thioethers |
01/11/1995 | CN1027371C Synthetizing method for inner ester diterpenoid |
01/10/1995 | CA1333907C Alkyl aryl sulfones and method of preparing the same |