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)
09/2006
09/13/2006EP1700859A2 Method for the manufacture of anagrelide
09/13/2006EP1700843A2 Method for the Manufacture of Anagrelide
09/13/2006EP1700842A2 Method for the Manufacture of Anagrelide
09/13/2006EP1700841A2 Method for the Manufacture of Anagrelide
09/13/2006EP1700840A2 Method for the Manufacture of Anagrelide
09/13/2006CN1832906A Process for the preparation of aryl diazonium salts and reaction with nucleophiles
09/08/2006WO2006093728A2 Process improvement using solubility characteristics
09/08/2006WO2006092429A1 Method for producing substituted biphenyls
09/08/2006CA2598769A1 Method for producing substituted biphenyls
09/06/2006EP1698611A1 Process for producing phenylacetic acid derivative
09/06/2006EP0971791A4 Apparatus and methods for the preparation of chemical compounds
08/2006
08/31/2006WO2006090210A1 Process for the preparation of benzoic acid derivatives via a new intermediate of synthesis
08/30/2006CN1824643A Synthesis method of 0-[5-(2-chloro-a,a,a,-trifluro-p-methyl phenoxy)-2-nitrobenzoyl-L-othyl lactate
08/30/2006CN1824642A Method of preparing p-nitro acetophenone and m-nitro acetophenone
08/30/2006CN1824641A New use of residue obtained in production of p-nitro acetophenone
08/24/2006WO2006087222A1 Process for the production of nitrobenzoles
08/24/2006WO2006087221A1 Process for the production of nitrobenzoles
08/23/2006CN1822898A Microchannel with internal fin support for catalyst or sorption medium
08/23/2006CN1821211A Process for the production of dinitrotoluene
08/23/2006CN1271040C Preparation of o-nitrobenzaldehyde by biomimetic catalysis oxidation of o-nitrotoluene with oxygen
08/22/2006US7094923 Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers
08/17/2006US20060183946 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
08/16/2006EP1690850A1 Process for the production of dinitrotoluene
08/16/2006CN1819984A Production of aromatic aldehyde
08/16/2006CN1817829A Production of aryl-group-aryl biphenyl compound
08/15/2006US7091362 Process for preparing nuclear-fluorinated aromatics
08/10/2006WO2006082452A1 Optically active diaryl acetic acid derivatives and process for their preparation
08/10/2006US20060178526 Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
08/09/2006CN1814581A Method for synthesizing isooctyl nitrate
08/09/2006CN1268601C Intermediates for making benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof
08/09/2006CN1268600C Method for the nitration of phenolic compounds
08/08/2006US7087765 Compounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases
08/03/2006US20060173005 Process for preparing nitrooxyderivative of naproxen
08/02/2006CN1267402C Synthetic method for 3,5-dichloro-2,4-difluoronitrobenzene and teflubenzuron
08/02/2006CN1267401C Method for producing arrcostab nitrite
07/2006
07/26/2006CN1809534A Method of preparing a ring compound having two adjacent chiral centers
07/26/2006CN1809525A Process for producing 3-nitro-4-alkoxybenzoic acid
07/26/2006CN1266111C Continuous heat-insulating technology of nitrochlorobenzene
07/26/2006CN1266110C Storage method of iso-propyl nitrate
07/26/2006CN1266099C 1-aryl-2 perluoro or polyfluoro phenyl ethylene and its derivative, its synthesis and application
07/25/2006US7081548 Multistage reaction of chlorination and deamination 2-methyl-5-nitro aniline to get 3-chloro-5-nitrotoluene
07/25/2006CA2135888C Pyridinium intermediates and the process for preparing the same
07/20/2006US20060161006 Asymmetric urea compound and process for producing asymmetric compound by asymmetric conjugate addition reaction with the same as catalyst
07/19/2006CN1803759A Method for purifying 2,2-di[4-(3-nitryl phenoxy)phenyl]-1,1,1,3,3,3-hexa-fluoro propane
07/19/2006CN1803758A Method for synthesizing 4-nitrobenzyl chloroformate
07/13/2006DE102004060626A1 Monoheteroatomsubstituierte Nitroalkane und ein Verfahren zu deren Herstellung Mono heteroatom-substituted nitroalkanes and a method for their preparation
07/12/2006CN1800143A 2,4,6-trimethylaniline synthesis method
07/12/2006CN1263727C Method of preparing 1-nitryl-2-ethyl anthraquinone
07/11/2006CA2298563C Method for preparing substituted benzyl bromides
07/06/2006DE112004000265T5 Neuartige photolabile Schutzgruppen für verbesserte Verfahren zur Herstellung von Oligonukleotid-Arrays Novel photolabile protecting groups for improved methods for the preparation of oligonucleotide arrays
06/2006
06/29/2006US20060142594 Compounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases
06/28/2006CN1793107A Process for preparing and separating purifying amino-4-nitrophenol
06/28/2006CN1793106A Process for continuous preparing diruitro methylbenzele and apparatus thereof
06/22/2006WO2006063728A1 Nitroalkanes substituted by monoheteroatoms and a method for their production
06/22/2006US20060135806 Process for the purification of 1,4-butanediol mononitrate
06/21/2006EP1670745A1 Method for extracting nitrocresols from waste water produced in the manufacture of mononitrotoluene and use of said extract
06/21/2006CN1789235A Apparatus and method for preparing nitrobenzene by nitration of tubular benzene
06/15/2006US20060128983 Process for the mononitration of alkanediols
06/08/2006US20060122402 Manufacturing process for no-donating compounds such as no-donating diclofenac
06/08/2006US20060122398 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their produciton and use in catalytic reactions
06/07/2006CN1781901A 2,6-dihalo-3-nitro trifluoro methoxy benzene and its prearing method
06/07/2006CN1781900A Metal salt catalyzed benzene nitrating to prepare nitrobenzene
06/06/2006US7057071 From 2-nitrophenyl(butyronitrile of butyric acid) by cyclization, amination, aromatization, hydrogenation
06/01/2006WO2006056535A1 Process for preparing halogenoalkylnitrates
06/01/2006CA2589184A1 Process for preparing halogenoalkylnitrates
05/2006
05/31/2006EP1661877A1 Process for producing aromatic aldehyde
05/31/2006CN2784412Y Tubular plant for producing nitrobenzene by nitrifying benzene
05/31/2006CN1257884C Trihydroxymethyl hexane trinitrate and its making method
05/25/2006US20060111590 Polymer-immobilized formamides, catalyst containing the same and allylation process
05/23/2006CA2152289C Process for preparing aromatic olefins using palladacycle catalysis
05/10/2006CN1255377C Intermediate for preparing isoxazolinyl-3-acylbenzene and process for preparing said intermediate
05/04/2006US20060094899 Process for preparing ruthenium-carrying alumina and process for oxidizing alcohol
05/02/2006US7038091 Process for producing acetylene compound
04/2006
04/26/2006CN1762976A 4,4-dinitrodiphenyl ethers synthesis method
04/26/2006CN1253427C Method of preparing dinitronaphthalene isomer mixture having high percentage 1,5-dinitronaphthalene
04/20/2006WO2006040652A2 Process for the preparation of n-(3,5-dichloropyrid-4-yl)-4difluoromethoxy-8-methanesulfonamido-dibenzo[b,d]furan-1-carboxamide
04/20/2006CA2583497A1 Process for the preparation of n-(3,5-dichloropyrid-4-yl)-4difluoromethoxy-8-methanesulfonamido-dibenzo[b,d]furan-1-carboxamide
04/19/2006CN1760170A Method for producing p-nitryl phenoxycthanol
04/18/2006US7030237 Continous separation of preferential compounds from sample; prepare liquid interphases, incubate with sample, recover compound
04/12/2006CN1757630A Equipment and method for washing prodn. of nitrobenzene
04/05/2006EP1641740A1 Method for producing an optically active nitro compound
04/05/2006EP0897747B1 Nitration or carboxylation catalysts
04/05/2006CN1249015C Technique for preparing 4-methyl-2,6 o-nitro-p-cresol using ortho-nitryl-para cresol
04/04/2006CA2239505C Process of preparation for catechol derivative
03/2006
03/29/2006EP1640361A2 Asymmetric urea compound and process for producing asymmetric compound by asymmetric conjugate addition reaction with the same as catalyst
03/29/2006CN1753849A Mono amine and diamine derivatives of cl-20
03/29/2006CN1247522C Nitration method of phenol type compound
03/29/2006CN1247521C Method for synthesizing trimethylphenyl musk using C9 mixed aromatics as raw material
03/23/2006US20060063953 Process for the preparation of nitroalkenes
03/22/2006CN1749226A Complex phase adsorption separating method on hydrophobic silicon zeolite for benzene di-substituted isomer
03/22/2006CN1246292C Disproportionation of nitro aromatic compounds
03/15/2006CN1245374C Location nitration process for chlorobenzene
03/08/2006EP1631376A1 Microchannel with internal fin support for catalyst or support medium
03/01/2006CN1740138A Process of preparing 4-nitro phthalic acid from the reaction mother liquor of nitrating phthalic anhydride to prepare 3-nitro phthalic acid
03/01/2006CN1243717C Preparation of o-nitrobenzaldehyde by biomimetic catalysis oxidation of o-nitrotoluene with oxygen
02/2006
02/28/2006US7005553 such as 2-nitrophenol by reacting 3-hydroxy-4-methoxybenzophenone with alkyl nitrate in presence of regioselective acid catalyst (sulfuric acid)
02/23/2006US20060041031 Process for producing acetylene compound
02/22/2006CN1736976A Use of aluminum nitrate in aromatic ring nitration
02/22/2006CN1242982C Method for preparing nitrate ethoxide in ammonium nitrate group
02/15/2006EP1192121B1 Method for producing 2-halo-6-nitrobenzoic acids
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