Patents
Patents for C07C 201 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton (5,786)
08/2012
08/08/2012CN102627565A Synthesis method for 2,2'-dinitryl diphenylethene
08/08/2012CN102627564A Green method for nitrifying benzene with nitric acid to prepare nitrobenzen
08/08/2012CN102626655A Aldol reaction catalyst and preparation method and application thereof
08/02/2012WO2012102290A1 Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
08/02/2012US20120197047 Prevention of precipitation from nitrated aromatic crude products
08/01/2012CN202359045U Nitrite gas continuous supplier
08/01/2012CN102617499A Chiral zinc complex
08/01/2012CN102617354A Refining process of o-nitrophenol
08/01/2012CN102617353A Preparation method of 3, 4-dichloronitrobenzene
08/01/2012CN102617319A Method for oxidizing alcohol into aldehyde or ketone
08/01/2012CN102617258A Method for preparing ester by pyridine formate-aldehyde ester exchange reaction
08/01/2012CN102617257A Synthetic method of diol phenylate compounds
08/01/2012CN101823001B Preparation method of amido bridged regular mesoporous organic base heterogeneous catalyst
07/2012
07/25/2012CN202346931U Million-ton grade industrial production system for separating 65/35-DNT (dinitrotoluene) through rectifying method to obtain 80/20-DNT and 2, 6-DNT
07/25/2012CN102603797A Phosphine imide ligand (E)-(2-(diphenyl phosphino) benzylidene) hydrazine as well as synthetic method and application of phosphine imide ligand (E)-(2-(diphenyl phosphino) benzylidene) hydrazine
07/25/2012CN102603536A Synthetic method of 3-nitrophthalic acid
07/25/2012CN102603535A Synthetic method of formoterol fumarate intermediate bromide
07/25/2012CN102603534A New process for synthesizing p-nitrobenzaldehyde
07/25/2012CN102603533A Preparation method of 4,4'-dinitrodiphenyl ether
07/25/2012CN102603523A Preparation method of allyl esters
07/25/2012CN102600897A Design of novel chiral catalyst system and application of novel chiral catalyst system in synthesis of anticancer drug spisulosine (ES-285)
07/25/2012CN102010443B Chiral phosphonous bis-amino-oxazoline copper complex and synthesis method thereof
07/25/2012CN101544567B Nitration method for synthesizing dinitrotoluene in one step
07/25/2012CN101514161B Method for preparing 2-bromo-7-nitrofluorenone
07/18/2012EP2222628B1 Formation of nitrate esters in microreactors and millireactors using a continuous product extraction in a turbulent flow regime
07/18/2012EP1827678B1 Method and apparatus for performing micro-scale chemical reactions
07/18/2012CN102584511A Preparation method for secondary alcohol
07/18/2012CN101624322B Method for preparing 1, 2-diketone by catalyzing and oxidizing alkynes
07/18/2012CN101575308B Preparation method of ortho/para-substituted phenylformic acid compound
07/18/2012CN101560156B Preparation method of 1,3-bi(2-trifluoromethyl-4-nitrophenoxyl)benzene
07/18/2012CN101475487B Recycling use method of nitration acid
07/18/2012CN101443292B New method for the manufacture of therapeutic compounds and compositions, compounds and compositions produced therewhith, and their use
07/18/2012CN101230026B Method for preparing 4,4'-di(2,4-dinitro-phenoxy) sulfone
07/12/2012WO2012093271A1 A new palladium catalyst, method for its preparation and its use
07/11/2012EP2474536A1 Process for preparation of pyrimidinylacetonitrile derivatives and intermediates for synthesis thereof
07/11/2012EP2473477A1 Process for preparing mononitrotoluene
07/11/2012EP2473476A1 Tetraarylborate process for producing substituted biphenyls
07/11/2012CN102574814A Process for preparation of pyrimidinylacetonitrile derivatives and intermediates for synthesis thereof
07/11/2012CN102574770A Process for the manufacture of nitrated hydrocarbons
07/11/2012CN102574769A Isothermal reactor for hydrocarbon nitration
07/11/2012CN102574768A Process for nitroalkane recovery by aqueous phase recycle to nitration reactor
07/11/2012CN102557977A Synthesis intermediate of erlotinib and preparation method thereof
07/11/2012CN102557957A Preparation method of isopropyl 2-(3-nitrophenylmethylene)acetacetate
07/11/2012CN102557956A Production process of high-purity 1-nitroanthraquinone
07/11/2012CN102557955A Green synthetic method of nitro-substitution chiral compound
07/11/2012CN102557954A Preparation method for methylnitrate
07/11/2012CN102557953A Method for preparing alkyl straight chain hydrocarbon monohydric alcohol nitrate ester with 4-10 carbon atoms
07/11/2012CN102059145B Catalyst, method for synthesizing (S)-octopamine and method for synthesizing (S)-N-trans-feruloyloctopamine
07/11/2012CN101134728B Process for the separation of nitro phthalandione isomer mixture
07/05/2012WO2012089769A1 Process for the manufacture of nicorandil
07/04/2012EP2471741A1 Potassium Fluoride
07/04/2012EP2470495A2 Process for the nitration of o-xylene and related compounds
07/04/2012CN202297421U 一种利用冶金尾气生产乙二醇的生产装置 A use of metallurgical production of ethylene glycol production plant exhaust
07/04/2012CN102532200A N,N-coordination dimeric rhodium (II) complex as well as preparation method and application thereof
07/04/2012CN102531963A Preparation method for 2,2,2-trifluoroethoxy aromatic hydrocarbon derivant
07/04/2012CN102531911A Chiral dicyclic compound and asymmetric syntheses method thereof
07/04/2012CN102531910A Ortho-nitrobenzyl ester compound and positive type photosensitive resin composition including the same
07/04/2012CN102531909A Method for preparing ethyl nitrate by continuously nitrifying nitric acid steam
07/04/2012CN102199125B Fluorine-containing imidazoline derivatives and preparation method thereof
07/04/2012CN101954296B Chiral catalyst for asymmetric Michael addition reaction and preparation method thereof
07/04/2012CN101941992B Nickel-nitrogen complex and synthesis method 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
07/04/2012CN101597231B NO donor medicine and synthesis method thereof
07/04/2012CN101497571B Process for producing chromone compound
07/04/2012CN101395124B Process for the separation by distillation of dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitration of toluene by means of nitrating acid
06/2012
06/27/2012CN102516085A Synthesis method of 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid
06/27/2012CN102516084A Straight chain type para nitro toluylene photosencitizer containing bromine atoms, synthesis and application thereof
06/27/2012CN102516083A Binitroanthracene compound and preparation method thereof
06/27/2012CN102516082A Method for preparing nitrobenzene through reacting benzene with mixed acid and washing crude nitrobenzene product
06/27/2012CN102515997A Method for preparing dimethyl carbonate derivate with ionic liquid as reaction medium
06/27/2012CN102513161A Naphthalene nitration catalyst as well as preparation method and application thereof
06/27/2012CN102107925B Oxyfluorfen production wastewater pretreatment method
06/27/2012CN101973886B 4-nitro-2',4'-dyhydroxyl benzophenone energy-containing compound and preparation method thereof
06/27/2012CN101773856B Oxazoline Schiff base ligand metal complex catalyst and application thereof
06/27/2012CN101665393B Synthesis method of polysubstituted allyl chloride derivative
06/27/2012CN101519249B Method for treating hydrolyzed waste water and recovering resource in disperse blue production process
06/27/2012CN101514160B Method for preparing 2, 7-dibromo-4-nitrofluorenone
06/21/2012US20120157692 Processes for the Synthesis of Gamma Nitrocarbonyl and Gamma Dicarbonyl Compounds and Their Pyrrole Derivatives
06/20/2012EP2465823A2 Washing system for nitroaromatic compounds
06/20/2012EP2464621A1 Method for preparing polyamine compounds
06/20/2012CN102503833A Preparation method of isopropyl 2-(3-nitrobenzal) acetoacetate
06/20/2012CN102503751A Method for synthesizing alpha-brominated aromatic ketones compound
06/20/2012CN102503750A Preparation method of a dichloromethyl or dichloromethylene-containing aromatic organic compound
06/20/2012CN102503749A Method for selective bromination of keton carbonyl compound by using n-bromosuccinimide (NBS)
06/20/2012CN102503748A Copper catalyst system for sonogashira coupling reaction
06/20/2012CN101830919B Zinc nitride and copper nitride compound of chiral alpha-phenylethylamine and use thereof
06/14/2012WO2012078725A1 Apparatus and process for using a nitroalkane as an entrainer for azeotropic removal of water from aqueous acid solution
06/14/2012WO2012077456A1 Production method for ether, ester, and thioether
06/13/2012EP2463024A1 Microchannel with internal fin support for catalyst or sorption medium
06/13/2012EP2462063A1 Washing system for nitroaromatic compounds
06/13/2012CN102491902A Preparation method of isopropyl 2-(3-nitrobenzylidene)acetoacetate
06/13/2012CN102491901A Preparation method of 4-bromine-2-nitro trifluoromethyl benzene
06/13/2012CN102491862A Method for preparing biaryl compound in pure water
06/13/2012CN102489330A Preparation method of magnetic nitrogen-containing bidentate palladium ligand catalyst
06/13/2012CN101362697B O-nitrobenzaldehyde and p-nitrobenzaldehyde and preparation method of halides thereof
06/07/2012US20120142934 Method for synthesis of secondary alcohols
06/06/2012EP2460789A1 Method for producing biaryl compound
06/06/2012CN101787024B Quinoline
06/05/2012CA2413852C Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 58