Patents
Patents for C07B 45 - Formation or introduction of functional groups containing sulfur (608)
11/2010
11/03/2010EP2244990A1 Sulfurization agent and its use
10/2010
10/05/2010CA2440839C Sulfoxides or sulfones grafted onto polymers
09/2010
09/02/2010US20100222549 Dechalcogenative methods for the preparation of allylic sulfides
09/01/2010CN101474548B Scraped film type sulfonator
08/2010
08/11/2010CN101801922A Method of producing beta-mercaptocarboxylic acids
07/2010
07/27/2010CA2499629C Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
07/14/2010EP2205557A2 Method for producing beta-mercaptocarboxylic acids
06/2010
06/29/2010CA2442881C New process for the industrial synthesis of the tetraesters of 5-[bis(carboxymethyl)amino]-3-carboxymethyl-4-cyano-2-thiophenecarboxylic acid, and application to the synthesis ofbivalent salts of ranelic acid and their hydrates
04/2010
04/28/2010CN1694761B Catalytic method of producing mercaptans from thioethers
04/07/2010CN101692063A Method for detecting process and end point of sulfur trioxide sulfonation
03/2010
03/31/2010CN101687723A Poly-N-heterocyclic carbene transition metal complexes and N-heterocyclic carbene transition metal complexes for carbon-sulfur and carbon-oxygen coupling reactions
03/17/2010CN101671220A Method for preparing sulfamide as intermediate of sulfonylurea herbicide
02/2010
02/17/2010EP2152648A1 Poly-n-heterocyclic carbene transition metal complexes and n-heterocyclic carbene transition metal complexes for carbon-sulfur and carbon-oxygen coupling reactions
02/17/2010CN201406388Y Equipment for preparing aromatic sulfonic acid by utilizing gas-phase sulfonation of aromatic organic matters
02/04/2010US20100025227 Chemical synthesis comprising heat treatment by intermittent dielectric heating combined with a recycling system
01/2010
01/27/2010CN100584443C SO3 gas jetting sulfonation reactor and process
01/19/2010CA2143135C Process for sulfinylating heterocyclic compounds
12/2009
12/30/2009CN101613247A Method for synthesizing disulfide compound
12/16/2009CN101602638A Method for synthesizing enol sulphonic acid ester compound
12/09/2009CN101597196A Pharmaceutical drug candidates and methods for preparation thereof
12/08/2009CA2425168C Aromatic sulfonation reactions
10/2009
10/07/2009EP1275630B1 Process for producing substituted aromatic compound
09/2009
09/15/2009CA2389163C Process for the production of antiulceratives
08/2009
08/13/2009WO2009099329A1 Sulfurization agent and its use
07/2009
07/23/2009DE102008004725A1 Verfahren zur heterogenkatalysierten Herstellung von Carbonsäurederivaten A process for the heterogeneously catalyzed production of carboxylic acid derivatives
06/2009
06/04/2009WO2009038232A3 Method for producing beta-mercaptocarboxylic acids
06/03/2009CN101445418A Gas phase SO3 film-scrapping sulfonating technology
03/2009
03/26/2009WO2009038232A2 Method for producing beta-mercaptocarboxylic acids
03/17/2009CA2172449C Reagent and process for synthesizing oxysulfurized and fluorinated organic derivatives
02/2009
02/17/2009US7491299 Immersing UV lamps in first zone which is completely filled with reaction medium and spills off via an overflow into a second zone, producing methyl ethyl sulphide; heat exchanging, simplified process and minimizes the equipment required
02/12/2009WO2008136770A8 Poly-n-heterocyclic carbene transition metal complexes and n-heterocyclic carbene transition metal complexes for carbon-sulfur and carbon-oxygen coupling reactions
12/2008
12/10/2008CN101321582A Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas7liquid reactions
12/10/2008CN101318918A Process for synthesizing substituted benzene sulfonic acid amide compound
11/2008
11/13/2008WO2008136770A1 Poly-n-heterocyclic carbene transition metal complexes and n-heterocyclic carbene transition metal complexes for carbon-sulfur and carbon-oxygen coupling reactions
11/05/2008CN100430445C Preparation process of sulfonated solid particle
09/2008
09/17/2008EP1968737A1 Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas/liquid reactions
08/2008
08/19/2008CA2499632C Catalytic method of producing mercaptans from thioethers
07/2008
07/22/2008CA2333262C Regioselective method for preparing cyclodextrin derivatives monosulfonylated at c-6
07/08/2008US7396923 Method for the sulfonation of compounds comprising free hydroxyl (OH) groups or primary or secondary amines
06/2008
06/18/2008EP1931608A1 Production of monomer, oligomer and polymer phosphonic acid esters and phosphonic and sulphonic acids by a nucleophile aromatic substitution
04/2008
04/02/2008CN100378042C Method for synthesizing chiral methyl 1,3 functional group synthon
03/2008
03/26/2008EP1902004A2 Onium-alkylsulfonate production method
03/26/2008CN100376516C Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis
03/04/2008US7339083 Olefin and hydrogen sulfide are reacted in the presence of hydrogen and a catalyst comprising a strong acid, such as a heteropolyacid, and at least one metal
01/2008
01/29/2008CA2416882C Sulfation process
01/15/2008CA2132263C Liquid antioxidants as stabilisers
11/2007
11/08/2007WO2007044700A3 Protectant combinations for reducing toxicities
10/2007
10/30/2007US7288648 High temperature crystallization of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane
10/04/2007WO2007076401A8 Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas/liquid reactions
08/2007
08/29/2007EP1456247B1 Method for sulphonation of compounds comprising free hydroxyl (oh) groups or primary or secondary amines
08/08/2007CN101012141A Method of manufacturing chiral sulfoxide compounds
07/2007
07/05/2007WO2007076401A1 Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas/liquid reactions
07/04/2007EP1803726A1 Mercaptosilanes
06/2007
06/28/2007WO2007072114A1 An improved process for the manufacture of montelukast sodium
06/28/2007CA2632954A1 An improved process for the manufacture of montelukast sodium
06/14/2007WO2007006387A8 Onium-alkylsulfonate production method
06/06/2007CN1973989A SO3 gas jetting sulfonation reactor and process
05/2007
05/18/2007WO2007006387A3 Onium-alkylsulfonate production method
04/2007
04/17/2007CA2289005C Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent
03/2007
03/28/2007CN1307130C Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
02/2007
02/14/2007EP1542944B1 Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
02/14/2007EP1542795B1 Catalytic method of producing mercaptans from thioethers
02/07/2007CN1298682C Sulphonation reaction producing technology and equipment thereof
01/2007
01/18/2007WO2007006387A2 Onium-alkylsulfonate production method
01/18/2007WO2007006300A1 Production of monomer, oligomer and polymer phosphonic acid esters and phosphonic and sulphonic acids by a nucleophile aromatic substitution
11/2006
11/29/2006CN1286852C Method for sulphonation of compounds comprising free hydroxyl (oh) groups or primary or secondary amines
11/02/2006EP1419126B1 Fluorous nucleophilic substitution of alcohols and reagents for use therein
10/2006
10/25/2006CN1850744A Method for synthesizing chiral methyl 1,3 functional group synthon
10/18/2006CN1280286C Process for the industrial synthesis of thiophenecarboxylicacid, and application thereof
10/11/2006EP1334960B1 Method for preparing ester condensate
10/04/2006CN1277813C Method for sulphonylating hydroxylated organic compound
09/2006
09/19/2006US7109362 A solution containing a molar excess of sodium sulfide trihydrate and sulfur in methanol, and its reaction with 7,8-bis(hydrocarbylsulfonyloxy)octanoic acid ester to form dihydrolipoic acid (which may be oxidized) and its reaction with a bis(hydrocarbylsulfonyloxy)alkane to form a 1,2-dithiacycloalkane
08/2006
08/23/2006CN1823065A Method for the enantioselective preparation of sulphoxide derivatives
08/15/2006US7091364 Introducing in a reactor a5-amino-3-(carboxyalkyl)-4-cyano-2-thiophenecarboxylic acid, potassium carbonate and a quaternaryammonium salt as catalyst acetone solvent and methyl bromo acetate, heating and cooling
08/03/2006DE102005057801A1 Mercaptosilane Mercaptosilanes
08/02/2006EP0983216B1 Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent
07/2006
07/26/2006EP1683801A2 Mercaptosilanes
07/20/2006US20060161015 Mercaptosilanes
07/19/2006CN1264785C Method for the synthesis of perfluorosulphonamides and reagent thereof
06/2006
06/07/2006EP1309546B1 Sulfation process
05/2006
05/25/2006US20060111591 Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
03/2006
03/23/2006WO2006029837A1 Reacting amino alcohols with acidic, organic substrates according to a mitsunobu-reaction
03/14/2006CA2234491C Preparation of bioactive compounds by plasma synthesis
03/07/2006US7009077 Aromatic sulfonation reactions
02/2006
02/02/2006US20060025633 Catalytic method of producing mercaptans from thioethers
01/2006
01/31/2006US6992199 Method for sulphonylating a hydroxylated organic compound
01/11/2006EP1127036B1 Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis
12/2005
12/22/2005DE102005004055A1 Preparation of bis(alkylthio)carbenium salt comprises reaction of carbonic acid and (di)thiol compound with an acid; or a ketendithioketal compound with an acid, in the presence of a solvent system
12/08/2005DE102004046010B3 Umsetzung von Aminoalkoholen mit sauren, organischen Substraten nach Art einer Mitsunobu-Reaktion Reaction of amino alcohols with acid, organic substrates in the manner of a Mitsunobu reaction
11/2005
11/23/2005CN1701053A Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
11/16/2005CN1227220C Sulfating process
11/09/2005CN1694761A Catalytic method of producing mercaptans from thioethers
11/02/2005CN1690025A Sulphonation reaction producing technology and equipment thereof
10/2005
10/19/2005CN1223554C Process for preparing sulfonated or sulfated product from liquid sulfur dioxide and special apparatus thereof
09/2005
09/13/2005US6943254 Reaction of the diazonium salt of an aminopyridine or aminobenzene in which the benzene ring bears one or more electron-withdrawing groups with a mixture of thionyl chloride in water, in the presence of an electron transfer-catalyst
08/2005
08/03/2005EP1322601B1 Method for sulphonylating a hydroxylated organic compound
07/2005
07/12/2005US6916938 Method for preparing sulfone or sulfoxide compound
06/2005
06/22/2005EP1542944A1 Catalytic method of producing alkyl mercaptans by adding hydrogen sulphide to an olefin
06/22/2005EP1542795A2 Catalytic method of producing mercaptans from thioethers
05/2005
05/18/2005CN1617889A Method for sulphonation of compounds comprising free hydroxyl (oh) groups or primary or secondary amines
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