Preparation of difluorobenzoethylketone derivatives

• Main Authors: TAKETA SUNAO, KANEKO TAIFUMI,ETO HIROMICHI
• Format: Patent
• Language: English
• Published: 18.10.2000
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The invention relates to a process for preparing a difluoroacetophenone derivative (4) by alkylthionating a compound (1) into a compound (2) and reacting this compound with a compound (3). wherein X is Cl, Br or I, X and X are independently a halogen atom, H or perfluoroalkyl group, X is a halogen a...