Process for the preparation of 1-[4-nitro-2-(trifluoromethyl)phenyl]-alkanones

US12338195B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Timo Frassetto · Mannheim, DE
• Florian Vogt · Ludwigshafen, DE
• Christiane Alznauer · Ludwigshafen, DE
• Sebastian Illies · Ludwigshafen, DE
• Philip Muelheims · Ludwigshafen, DE
• Swapnil Yerande · Ahmedabad, IN
• Daniel Saelinger · Ludwigshafen, DE
• Robin Thiele · Ludwigshafen, DE
• Heinz Friedrich Sutoris · Bischofswerda, DE
• Marcel Hofrichter · Ludwigshafen, DE

Key dates

• Filing date: Feb 2, 2021
• Grant date: Jun 24, 2025
• Expiry date: Mar 27, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C201/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of 1-[4-nitro-2-(trifluoromethyl)-phenyl]-alkanones and substituted phenoxyphenyl ketones.