A novel process for preparing crystalline methyl N-[2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]-N-methoxycarbamate

The present invention relates to a process for preparing crystalline methyl N-[2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]-N-methoxycarbamate (I), comprising a) reacting a compound of formula (II) with an alkylating agent in the presence of a base in the presence of a polar solvent se...

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Hauptverfasser:	BAUER, Ralf, KLAUBER, Eric George, SCHROEDER, Jochen, NIEMES, Reinhold, FRASSETTO, Timo
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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creator	BAUER, Ralf KLAUBER, Eric George SCHROEDER, Jochen NIEMES, Reinhold FRASSETTO, Timo
description	The present invention relates to a process for preparing crystalline methyl N-[2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]-N-methoxycarbamate (I), comprising a) reacting a compound of formula (II) with an alkylating agent in the presence of a base in the presence of a polar solvent selected from alcohols and ketons; b) the addition of water. La présente invention concerne un procédé de préparation de N-[2-[[[1-(4-chlorophényl)-1H-pyrazol-3-yl]oxy]méthyl]phényl]-N-méthoxycarbamate de méthyle cristallin (I), comprenant a) la mise en réaction d'un composé de formule (II) avec un agent d'alkylation en présence d'une base en présence d'un solvant polaire sélectionné parmi les alcools et les cétones ; b) l'ajout d'eau.
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title	A novel process for preparing crystalline methyl N-[2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]-N-methoxycarbamate
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