A NOVEL PROCESS FOR PREPARING CRYSTALLINE METHYL N-[2-[[[1-(4-CHLOROPHENYL)-1H-PYRAZOL-3-YL]OXY]METHYL]PHENYL]-N-METHOXYCARBAMATE

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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Bibliographische Detailangaben
Hauptverfasser: BAUER, Ralf, KLAUBER, Eric George, SCHROEDER, Jochen, NIEMES, Reinhold, FRASSETTO, Timo
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung: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.