Herbicidal oxadiazolidines

US6737383B1 · kind B1 · utility

Assignee

• The Regents of the University of California · US

Inventors

• Gary David Annis · New Garden Township, US
• George C. Chiang · Wilmington, US
• David Raymond Forney · Elkton, US
• Kanu Maganbhai Patel · Rua Engenheiro Marcondes Ferraz, US
• Morris P. Rorer · Newark, US
• William Francis Smith, III · Elkton, US
• Thomas Martin Stevenson · Newark, US
• King-Mo Sun · Hockessin, US
• Chi-Ping Tseng · Wilmington, US

Key dates

• Filing date: Jun 29, 2001
• Grant date: May 18, 2004
• Expiry date: Jun 29, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of Formula (1) and processes for their preparation, their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation wherein Q, X1, X2, X3, R1, R2, R6 and R7 are as defined in the disclosure. Also disclosed are novel intermediates of Formula (5), Formula (8) and Formula (20) wherein R27 is —(CR6R7)q—Q; R6, R7, q, Q, X1 and X2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (1).