PROCESS FOR PREPARATION OF 5-BROMO-1, 2, 3-TRICHLOROBENZENE

PROCESS FOR PREPARATION OF 5-BROMO-1, 2, 3-TRICHLOROBENZENE

The present invention relates to a process for preparation of 5-bromo-1,2,3-trichlorobenzene of formula (I) in simple, economical manner with high yield. The 5-bromo-1,2,3-trichlorobenzene of formula (I) is used in preparation of 1-(3,4,5-trichloro-phenyl)-2,2,2-trifluoro-ethanone which is a key int...

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Bibliographische Detailangaben
Hauptverfasser: NANAWARE, Hanumant Mahadev, NAYKODE, Mahavir Somnath, GANORKAR, Rakesh Ramesh, KANDEKAR, Mahadev Babasaheb, CHAKOR, Narayan Subhash, NAMBIAR, Sudhir
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:The present invention relates to a process for preparation of 5-bromo-1,2,3-trichlorobenzene of formula (I) in simple, economical manner with high yield. The 5-bromo-1,2,3-trichlorobenzene of formula (I) is used in preparation of 1-(3,4,5-trichloro-phenyl)-2,2,2-trifluoro-ethanone which is a key intermediate of isoxazoline derivatives. (I) La présente invention concerne un procédé de préparation de 5-bromo-1,2,3-trichlorobenzène de formule (I) de manière simple et économique avec un rendement élevé. Le 5-bromo-1,2,3-trichlorobenzène de formule (I) est utilisé dans la préparation de 1-(3,4,5-trichloro-phényl)-2,2,2-trifluoro-éthanone, qui est un intermédiaire clé de dérivés d'isoxazoline.