Crystalline forms of 2-[2-chloro-4-methylsulfony1-3-(2,2,2-trifluoroethoxymethyl)benzoyl]cyclohexan-1,3-dione

US8309769B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Eike Hupe · Ludwigshafen, DE
• Markus Gewehr · Kastellaun, DE
• Peter Erk · Bischofswerda, DE
• Heidi Emilia Saxell · Hallenberg, DE
• Ulrich Griesser · Innsbruck, AT
• Michaela Tischler · Leonding, AT

Key dates

• Filing date: Mar 14, 2008
• Grant date: Nov 13, 2012
• Expiry date: Aug 24, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N41/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to two crystalline forms of 2-[2-chloro-4-methylsulfonyl-3-(2,2,2-trifluoro-ethoxymethyl)benzoyl]cyclohexan-1,3-dione, which is also known under the common name tembotrione. The invention also relates to a process for the production of these crystalline forms and formulations for plant protection which contain one of these crystalline forms of tembotrione.