Patents
Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087)
11/2012
11/21/2012CN102068986B Catalyst used in ring-opening hydrogenation reaction of furan derivative
11/21/2012CN101851159B Method for synthetizing alcohol ester acetate by single step of ethyl acetate and alcohol ester exchange
11/07/2012CN102764673A Catalyst for preparing diphenyl oxide compound and preparation method and application of catalyst
10/2012
10/31/2012CN102755907A Hydrocarbon catalyzed selective oxidation method
10/31/2012CN101102997B Sulphonylated diphenylethylenediamines, method for their preparation and use in transfer hydrogenation catalysis
10/24/2012CN102746343A Chiral bis-imidazoline pincer rhodium compound, preparation and asymmetric catalysis application thereof
10/17/2012CN102731235A Method for preparing aromatic ketone by carrying out catalytic oxidation on benzyl group in water phase
10/17/2012CN102731234A CO (carbon monoxide)-promoted method for directly oxygenizing hydroxylated aromatic compound by molecular oxygen
10/10/2012CN101786934B Preparation method of aromatic formaldehyde
10/03/2012CN202460204U Gas and liquid separator for esterification
10/03/2012CN102712551A Method and device for producing alkene derivatives
10/03/2012CN102701894A Method for direct alpha-hydroxylation by beta-dicarbonyl compound under action of iodine catalysis
10/03/2012CN101429109B Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system
10/03/2012CN101346326B Method and apparatus for producing methanol
09/2012
09/27/2012WO2012129420A2 Chlorine dioxide precursor and methods of using same
09/27/2012CA2830528A1 Chlorine dioxide precursor and methods of using same
09/12/2012EP2496537A2 Method and device for producing alkene derivatives
09/11/2012CA2445159C Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
09/06/2012DE102011005003A1 Anlage zur Umsetzung von Alkylenoxiden Plant for the reaction of alkylene oxides
09/05/2012CN102653504A Method for preparing carbonyl compounds by alcohol catalytic oxidation through oxygen without transition metal
09/05/2012CN101967165B Bridge chain bis-Schiff base-cobalt complex and synthesis method thereof as well as application thereof
08/2012
08/29/2012CN102652122A Systems and methods for production of aromatic carboxylic acids
08/22/2012EP2488539A1 Gas phase hydroformylation process
08/21/2012CA2523704C Process for converting a hydrocarbon to an oxygenate or a nitrile
08/16/2012WO2012107877A1 Process for the oxidation of mesitol
08/08/2012CN102627291A Fluorine-containing titanium-silicon molecular sieve with MWW (Manual Wire Wrap) structure and preparation method and application thereof
08/02/2012WO2012103317A2 Safety system for an ozone absorber column
08/02/2012DE10028087B4 Verfahren zur Erzeugung einer Esterverbindung und Verwendung eines Katalysators A method for producing an ester compound using a catalyst and
08/02/2012CA2841761A1 Safety system for an ozone absorber column
08/02/2012CA2841602A1 Cleaning compositions and method of using the same
08/01/2012CN102617258A Method for preparing ester by pyridine formate-aldehyde ester exchange reaction
08/01/2012CN102617257A Synthetic method of diol phenylate compounds
07/2012
07/25/2012CN102603447A Method for preparing organic lactone
07/25/2012CN102603446A Method for preparing organic lactone by catalyzing and oxidizing organic ketone with carbon materials
07/25/2012CN102603445A Preparation method of fluorine-containing o-hydroxy arone compound and agricultural bioactivity thereof
07/25/2012CN101974149B Method for preparing polyether polyol
07/19/2012WO2012095858A1 Process for the preparation of alditol acetals
07/19/2012WO2012095857A1 Method of making diacetal compound in aqueous medium
07/18/2012EP2475672A2 Metal catalysed carbonylation of unsaturated compounds
07/18/2012CN102584513A Method for preparing ketal by catalysis of ionic liquid and dehydration of acid-resistant molecular sieve membrane
07/18/2012CN102584512A Method for synthesizing benzofuran derivatives in one pot process
07/18/2012CN102584511A Preparation method for secondary alcohol
07/18/2012CN101624322B Method for preparing 1, 2-diketone by catalyzing and oxidizing alkynes
07/17/2012CA2266660C Perfluorovinyl ionic compounds, their uses as conductive ionic polymer-type compounds, selective membranes and catalysts
07/11/2012EP2291387B1 Hydroformylation catalysts
07/11/2012CN102574878A Gas phase hydroformylation process
07/11/2012CN102574798A Organophosphorus compounds based on tetraphenol (tp)-substituted structures
07/11/2012CN102574094A Systems and methods for reducing entrainment background
07/11/2012CN102557910A Deprotection method for phenolic hydroxyl group
07/11/2012CN102557850A Method for preparing cyclic anhydride with substituent group
07/11/2012CN102557849A Continuous reaction method
07/11/2012CN102553646A Chiral diamine diphosphine metal compound catalysts as well as preparation method and application thereof
07/11/2012CN101845014B Method for reducing heteroaromatic carboxylic acid into heteroaromatic alcohol
07/04/2012EP1812384B1 Sulphonylated diphenylethylenediamines, method for their preparation and use in transfer hydrogenation catalysis
07/04/2012CN102532200A N,N-coordination dimeric rhodium (II) complex as well as preparation method and application thereof
07/04/2012CN101905152B Application of polyhydroxy fullerene for catalyzing addition reaction of nitroparaffin and aromatic aldehyde
07/04/2012CN101624321B One-step method for preparing alpha-halo acetophenone dimethyl ketal compounds
06/2012
06/27/2012CN102515997A Method for preparing dimethyl carbonate derivate with ionic liquid as reaction medium
06/27/2012CN102513104A Preparation method of benzaldehydes compound and novel double-metal catalyst loaded by mesoporous carbon for preparation method
06/27/2012CN101837288B Active carbon supported magnesium oxide catalyst for synthetic aromatic alcohol and application thereof
06/21/2012WO2012082389A1 Method of starting-up a process of producing an alkylene oxide using a high-efficiency catalyst
06/21/2012WO2012079583A1 System providing controlled delivery of gaseous co for carbonylation reactions
06/21/2012CA2819233A1 Method of starting-up a process of producing an alkylene oxide using a high-efficiency catalyst
06/20/2012CN102503752A Method for preparing polysubstituted 2-naphthol
06/20/2012CN101585745B Synthesis of L-3-hydroxyl-4-methoxyl-5-methyl-phenylalaninol/phenylalanine
06/13/2012CN102002059B Process for producing thiazole derivative
06/13/2012CN101486621B Method for preparing aldehyde or ketone by catalyzing air and oxidizing alcohol
05/2012
05/30/2012CN102476975A 一种镁和铝改性的钛硅分子筛催化氧化环酮的方法 A titanium silicalite catalyzed oxidation of magnesium and aluminum modified method of cyclic ketones
05/30/2012CN101928268B Method for synthesizing heterocyclic acetylized compound by composite catalysis of ionic liquid and phosphoric acid
05/24/2012WO2012067264A1 Process for producing olefin oxide
05/23/2012CN102464521A 一种微反应器系统内合成环状碳酸酯的方法 Method A micro reactor system in the synthesis of cyclic carbonate
05/16/2012DE102010050917A1 Verfahren zur Herstellung von Carbonsäureestern während eines Transports Process for the preparation of carboxylic acid esters during transport
05/16/2012CN1854128B Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
05/16/2012CN102452872A Reaction method for catalyzing cyclic ketone by total silicone molecular sieve
05/16/2012CN102452871A Method for catalytic oxidation of cyclic ketone
05/16/2012CN102452870A Method for catalytically oxidizing cyclic olefin
05/16/2012CN102452869A Method for catalytically oxidizing cyclic ketone
05/15/2012US8178474 Functionalised solid support for alpha-oxoaldehyde synthesis
05/09/2012CN202212184U Accelerated heating and cooling device used in esterification process
05/09/2012CN101580446B Method for preparing aryl methylene double (3-hydroxide radical-5, 5-dimethyl-2-cyclohexene-1-ketone) terpenoids
05/09/2012CN101531557B Derivatization method of qualitative or quantitative analysis for polyhydroxy compound
05/03/2012DE102005049294C5 Verfahren zur Herstellung organischer Peroxide mittels Mikroreaktionstechnik Process for the preparation of organic peroxides using micro reaction technology
05/02/2012EP2445920A1 Phosphite containing catalysts for hydroformylation processes
04/2012
04/26/2012WO2012008717A3 Apparatus for coproducting iso type reaction products and alcohols from olefins, and method for coproducting them using the apparatus
04/25/2012CN102424645A Method for synthesizing aromatic amide and aromatic methanol
04/19/2012WO2011150329A3 Carbocatalysts for chemical transformations
04/18/2012EP2440511A1 Method for the hydroxylation of halogenated aryl compounds
04/18/2012CN102417523A Nitrogen heterocycle ligand transition metal complex, and preparation and catalytic application thereof
04/05/2012WO2012041215A1 Novel transition metal complex with nitrogen-containing heterocyclic ligands and phosphine ligands, preparation thereof and uses in catalysis
04/04/2012CN102399118A Metal aminoborane compound and application of derivatives thereof in reduction reaction
04/04/2012CN101014561B Process for converting a hydrocarbon to an oxygenate or a nitrile
03/2012
03/28/2012CN102391060A Method for acetylating catalytic hydroxyl
03/28/2012CN102389760A Microwave-enhanced continuous esterification reactor and process
03/21/2012CN102380418A Catalyst for catalyzing and reducing asymmetric prochiral ketones to chiral alcohols, preparation method and application thereof
03/14/2012CN102372531A Preparation method for aromatic carboxylic acid compounds
03/08/2012WO2012007966A3 Process for preparation of intermediates of bendamustine
03/07/2012CN102369206A Organophosphorus compounds, catalytic systems including said compounds and hydrocyanation or hydroformylation method using said catalytic systems
03/07/2012CN101914107B Process for producing thiazole derivative
02/2012
02/28/2012CA2371222C Functionalised solid support for alpha-oxoaldehyde synthesis
02/01/2012EP2412744A2 Method for preparing branched functionalised polymers using branched polyol cores
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