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

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

PCT No. PCT/EP93/03066 Sec. 371 Date Apr. 18, 1995 Sec. 102(e) Date Apr. 18, 1995 PCT Filed Nov. 2, 1993 PCT Pub. No. WO94/11364 PCT Pub. Date May 26, 1994A process for preparing (+)-6-[(4-chlorophenyl)(1H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotriazole comprising the resolution of (+/-)-6-[(4-...

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Hauptverfasser: ALBERT LOUIS ANNA WILLEMSENS, WALTER LOUIS ANTOINE VERSTAPPEN, ALEX HERMAN COPMANS, MARC GASTON VENET, ANNA MARIA JOZEFA VANDENDRIESSCHE, ALFONS GASTON MARIA DE KNAEP
Format: Patent
Sprache:eng
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APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PCT No. PCT/EP93/03066 Sec. 371 Date Apr. 18, 1995 Sec. 102(e) Date Apr. 18, 1995 PCT Filed Nov. 2, 1993 PCT Pub. No. WO94/11364 PCT Pub. Date May 26, 1994A process for preparing (+)-6-[(4-chlorophenyl)(1H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotriazole comprising the resolution of (+/-)-6-[(4-chlorophenyl)-hydrazinomethyl)-1-methyl-1H-benzotriazole and converting the appropriate enantiomerically pure hydrazine intermediate into (+)-6-[(4-chlorophenyl)(1 H-1,2,4-triazol-1-yl)methyl]-1-methyl-1H-benzotriazole.