Patents
Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288)
01/2004
01/21/2004CN1468834A Preparation of 3-alkoxy-2-methyl benzoic acid
12/2003
12/30/2003US6670506 Method for producing dinitro-diaza-alkanes and interediate products thereof
12/24/2003WO2003068725A3 Process for the preparation of 4-hetero-substituted phenylalanine derivatives
12/17/2003EP1371626A2 Process for the preparation of 3-Alkoxy-2-methylbenzoic acids
11/2003
11/25/2003US6653258 Pyridinyl-substituted- methyl 3-methoxy-2-phenylacrylate derivatives; agricultural miticides and nematocides
11/20/2003WO2003074534A9 Reagents for asymmetric allylation, aldol, and tandem aldol and allylation reactions
10/2003
10/22/2003EP1353897A1 Method for producing dtpa monoamides
10/09/2003US20030191346 Method for producing dnda
09/2003
09/24/2003EP1135363B1 Process for the preparation of symmetrical diacylhydrazines
09/18/2003WO2003076451A1 Ferrocenyl ligands and the use thereof in catalysis
09/18/2003WO2003076406A1 Nitrosodiphenylamine derivatives and their pharmaceutical use against oxidative stress pathologies
09/18/2003CA2478652A1 Nitrosodiphenylamine derivatives and their pharmaceutical use against oxidative stress pathologies
09/12/2003WO2003074534A1 Reagents for asymmetric allylation, aldol, and tandem aldol and allylation reactions
09/12/2003CA2477444A1 Reagents for asymmetric allylation, aldol, and tandem aldol and allylation reactions
08/2003
08/27/2003EP1337508A1 Preparation of sodium-hydrogen exchanger type-1 inhibitors
08/21/2003WO2003068725A2 Process for the preparation of 4-hetero-substituted phenylalanine derivatives
08/20/2003EP0859591B1 Use of at least one no synthase inhibitor for treating sensitive skin
07/2003
07/03/2003US20030125360 Carbocyclic hydrazino inhibitors of copper-containing amine oxidases
06/2003
06/26/2003US20030120114 Diazotizing fluoroanilines with of hydrochloric acid, reducing in presence of bisulfite liquor by addiing alkali metal hydroxide solution at a pH from 5-8 to form flurophenylhydrazine alpha-beta disulfonate, hydrolyzing
06/11/2003EP1317415A2 Method for producing dnda
06/04/2003EP0967210B1 Process for preparing biologically active derivatives of 1,2,4-triazol and intermediaries useful in this process
05/2003
05/20/2003US6566547 Fungicides
05/20/2003US6566546 Reacting of phenylboronic acids with 4- bromo- or 4-iodo-alkyl- or -alkoxy-anilines or -anilides, possible deacylation and diazotization, followed by reaction with a nucleophile by sandmeyer reaction or a reducing agent
05/06/2003CA2370145C Process of preparing a high-energy softening agent
04/2003
04/03/2003US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
03/2003
03/26/2003EP1196374B1 Process of preparing a high-energy softening agent
03/12/2003EP1086045B1 Method for preparing hydrazine hydrate
03/06/2003US20030041936 Amidation an ester with amine; nitration; activated plasticizier
01/2003
01/23/2003WO2003006003A1 Carbocyclic hydrazino inhibitors of copper-containing amine oxidases
01/23/2003CA2451569A1 Carbocyclic hydrazino inhibitors of copper-containing amine oxidases
01/21/2003US6509503 Process for preparing pesticidal intermediates
01/14/2003CA2222303C Use of at least one no synthase inhibitor for treating sensitive skin
12/2002
12/11/2002EP1058678B1 Metal-catalyzed arylations and vinylations of hydrazines, hydrazones, hydroxylamines and oximes
11/2002
11/19/2002US6482383 Reacting ammonia, hydrogen peroxide and methyl ethyl ketone in a working solution to form an azine and methyl ethyl ketone oxime, separating, recycling
10/2002
10/31/2002WO2002085838A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
10/15/2002US6465694 Method for preparation of polyethylene glycol aldehyde derivatives
10/15/2002US6465693 Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates
09/2002
09/19/2002WO2002036548A3 Method for stereoselectively producing hydrazino cycloalkenes and diamino cycloalkanes
09/06/2002WO2002026692A3 Method for producing dnda
09/03/2002US6444848 Process for the preparation of symmetrical diacylhydrazines
08/2002
08/29/2002DE10107227A1 Verfahren zur Herstellung von 4-substituierten 2-Alkyl- und 2-Alkoxylbiphenylen A process for the preparation of 4-substituted 2-alkyl and 2-Alkoxylbiphenylen
08/28/2002CN1089748C Method for synthesizing aryl hydrazine through reduction of diazo compound derivative
08/22/2002US20020115880 Process for preparing 4-substituted 2-alkylbiphenyls and 2-alkoxylbiphenyls
08/21/2002EP1233009A2 Method for production of 4-substituted 2-alkylbiphenyls and 2-alcoxybiphenyls
08/14/2002DE10105014A1 Neues Verfahren zur Herstellung von Monoamiden der DTPA New process for the preparation of monoamides of the DTPA
08/14/2002CN1363512A Process for preparing concentrated solution of hydrazine hydrate
08/01/2002WO2002059076A1 Method for producing dtpa monoamides
07/2002
07/31/2002EP1226106A1 Process for the preparation of insecticidal pheynylhydrazine derivatives
07/16/2002US6420600 Hydroxyalkylphenyldiamides
07/09/2002US6417380 Polycycloalkyl ketone containing fluorescent chromophore is alkylated to polycycloalkylidene ether in presence of alkali metal alkoxide in polar aprotic solvent
06/2002
06/27/2002US20020082274 Preparation of sodium-hydrogen exchanger type-1 inhibitors
06/19/2002CN1086382C Method for preparation of phenylhydrazine hydrochloride
06/12/2002EP0876331B1 Method for synthesizing aryl hydrazine through reduction of a diazo compound derivative
06/06/2002WO2002044133A1 Preparation of sodium-hydrogen exchanger type-1 inhibitors
06/06/2002CA2430061A1 Preparation of sodium-hydrogen exchanger type-1 inhibitors
05/2002
05/23/2002DE10142127A1 Production of DNDA for use as a plasticizer in propellant powder, involves nitration of N,N'-dimethyl- and N,N'-diethyl-urea with highly concentrated nitric acid, followed by hydrolysis and nitramine-condensation
05/22/2002CN1350516A Processes for preparing pesticidal intermediates
05/16/2002DE10053812A1 Verfahren zur stereoselektiven Herstellung von Diaminocycloalkenen und Diaminocycloalkanen A method for the stereoselective preparation of Diaminocycloalkenen and Diaminocycloalkanen
05/10/2002WO2002036548A2 Method for stereoselectively producing hydrazino cycloalkenes and diamino cycloalkanes
04/2002
04/23/2002US6376678 Production method of hydrazine derivative
04/17/2002EP1196374A1 Process of preparing a high-energy softening agent
04/04/2002WO2002026692A2 Method for producing dnda
04/02/2002US6365745 Reducing a hydrazone derivative in the presence of at least one base selected from the group consisting of an organic base and an inorganic base, and a metal hydrogenating catalyst
03/2002
03/28/2002US20020037854 Use of at least one no synthase inhibitor for treating sensitive skin
03/13/2002EP1185503A1 Method for producing dinitro-diaza-alkanes and intermediate products hereto
03/13/2002CN1340043A Phenylalaninol derivatives
02/2002
02/27/2002EP1182205A1 Chiral diphosphines via 2,3 -sigmatropic rearrangement.Application in asymmetric transition metal catalysis
02/21/2002US20020022730 Method for producing hydrazine derivative
02/19/2002CA2170542C Process for the vaporization of a hydrazine hydrate solution
02/06/2002EP1177165A1 Processes for preparing pesticidal intermediates
01/2002
01/30/2002EP1175393A1 Process for the preparation of phenylhydrazines
12/2001
12/12/2001CN1326462A Betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
11/2001
11/21/2001EP1154987A1 Phenylalaninol derivatives
10/2001
10/31/2001EP0874806B1 Process for preparation of hydrazides
10/25/2001DE10010190A1 Herstellung von Dinitrodiazaalkanen und Zwischenprodukten hierzu Production of dinitro and intermediates thereto
10/18/2001US20010031894 Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates
09/2001
09/26/2001EP1135363A1 Process for the preparation of symmetrical diacylhydrazines
09/26/2001CN1314341A 4-amino-phenmyl hydrazine formaldehyde and its synthetic method and use
09/13/2001WO2001066513A1 Process for the preparation of phenylhydrazines
09/12/2001EP1131337A1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
09/07/2001WO2001064627A1 Method for producing dinitro-diaza-alkanes and intermediate products hereto
08/2001
08/30/2001WO2001002351A3 Method for preparing a hydroxylated arylhydrazine, intermediate products and method for obtaining same
08/21/2001US6278022 Process for the preparation of insecticidal phenylhydrazine derivatives
08/07/2001US6271391 Hydrazide fixed to a resin and derivatives thereof, and a method for synthesizing pyrazolones in solid phase
08/07/2001US6271247 Binding to neuropeptide receptors
07/2001
07/17/2001US6262301 N-alkyl-nitraethylnitramine
05/2001
05/22/2001US6235936 Transition metal catalyst for arylation
05/10/2001WO2001032605A1 Process for the preparation of insecticidal phenylhydrazine derivatives
05/10/2001WO2001032599A1 Process for the preparation of insecticidal pheynylhydrazine derivatives
04/2001
04/19/2001WO2001027073A1 Process of preparing a high-energy softening agent
04/17/2001US6218577 Salt formation by reaction 2-hydroxyethylhydrazine with nitric acid, perchloric acid, trinitromethane or dinitroamine; explosives, propellants; less toxic
03/2001
03/28/2001EP1086045A1 Method for preparing hydrazine hydrate
03/27/2001CA1341210C Synthesis of 1,2-dioxetanes and intermediates therefor
03/14/2001CN1063170C Process for producing 2-naphthylhydrazine in one step
01/2001
01/30/2001CA1341173C Fungicides
01/11/2001WO2001002351A2 Method for preparing a hydroxylated arylhydrazine, intermediate products and method for obtaining same
01/09/2001US6172108 Hydrazide compounds
12/2000
12/27/2000EP1063227A1 Hydrazide fixed to resin and derivative thereof, and method for synthesizing pyrazolones in solid phase
12/26/2000US6166243 Process for the preparation of insecticidal phenylhydrazine derivatives
12/05/2000US6156889 Reagent useful for cleaving a protected functional group
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