Method for producing dithiine tetracarboximides

US9365586B2 · kind B2 · utility

Assignees

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE
• Bayer Intellectual Property GmbH · DE

Inventors

• Thomas Himmler · Odenthal, DE
• Thomas Geller · Odenthal, DE
• Lars Rodefeld · Leverkusen, DE
• Mark James Ford · Nordenstadt, DE
• Guenter Hoemberger · Eppstein, DE
• Dieter Heinz · Heppenheim, DE

Key dates

• Filing date: Mar 18, 2013
• Grant date: Jun 14, 2016
• Expiry date: Mar 18, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D495/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing dithiinetetracarboximides by reaction of succinic monoamides with thionyl chloride, with continuous performance of at least one of the process steps.