Process for preparing enantiomerically pure 6-{4-chlorophenyl) (1 H-1,2,4-triazol-1-YL) methyl}-1-methyl-1 H-benzotriazole

Process for preparing enantiomerically pure 6-{4-chlorophenyl) (1 H-1,2,4-triazol-1-YL) methyl}-1-methyl-1 H-benzotriazole

A process for preparing (+)-6-[(4-chlorophenyl)(1+E,uns H+EE - 1,2,4-triazol-1-yl)methyl]-1-methyl-1+E,uns H+EE -benzotriazole comprising the resolution of (+/-)-6-](4-chlorophenyl)-hydrazinomethyl)-1-methyl-1+E,uns H+EE -benzotriazole and converting the appropriate enantiomerically pure hydrazine i...

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Hauptverfasser: VERSTAPPEN, WALTER LOUIS ANTOINE, DE KNAEP, ALFONS GASTON MARIA, WILLEMSENS, ALBERT LOUIS ANNA, COPMANS, ALEX HERMAN, VANDENDRIESSCHE, ANNA MARIA JOZEFA, VENET, MARC GASTON
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:A process for preparing (+)-6-[(4-chlorophenyl)(1+E,uns H+EE - 1,2,4-triazol-1-yl)methyl]-1-methyl-1+E,uns H+EE -benzotriazole comprising the resolution of (+/-)-6-](4-chlorophenyl)-hydrazinomethyl)-1-methyl-1+E,uns H+EE -benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-[(4-chlorophenyl)(+E,uns H+EE - 1,2,4-triazol-1-yl)methyl]-1-methyl-1+E,uns H+EE -benzotriazole.