Process for preparation of optionally substituted trifluoromethyl phenacyl bromide

Preparation of trifluoromethylphenacyl bromide (I) comprises reacting trifluoromethylacetophenone compound (II) with at least one brominating agent in the absence of solvent or in the presence of hard water soluble or water-immiscible solvent; and crystallizing the obtained raw product of (I) at -78...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SCHLUMMER, BJOERN, BERKENBUSCH, THILO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Preparation of trifluoromethylphenacyl bromide (I) comprises reacting trifluoromethylacetophenone compound (II) with at least one brominating agent in the absence of solvent or in the presence of hard water soluble or water-immiscible solvent; and crystallizing the obtained raw product of (I) at -78[deg]C to +15[deg]C in the presence of at least an organic solvent. Preparation of trifluoromethylphenacyl bromide compound of formula (I) comprises reacting trifluoromethylacetophenone compound of formula (II) with at least one brominating agent in the absence of solvent or in the presence of hard water soluble or water-immiscible solvent; and crystallizing the obtained raw product of (I) at -78[deg]C to +15[deg]C in the presence of at least an organic solvent. [Image].