Process for manufacturing benzoxazinones

US9518045B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Maximilian Dochnahl · Mannheim, DE
• Roland Goetz · Ludwigshafen, DE
• Joachim Gebhardt · Monsheim, DE
• Uwe Josef Vogelbacher · Ludwigshafen, DE
• Timo Frassetto · Mannheim, DE
• Michael Rack · Eppelheim, DE
• Volker Maywald · Ludwigshafen, DE
• Bernd Wolf · Niederkirchen, DE

Key dates

• Filing date: Aug 9, 2013
• Grant date: Dec 13, 2016
• Expiry date: Aug 9, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D265/36
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for manufacturing benzoxazinones of formula (I),wherein the variables are defined according to the description,by reacting carbamates of formula (II) are reacted with carbamat-benzoxazinones of formula (III) in the presence of a base.