Tetrazolinone derivatives

US6790810B2 · kind B2 · utility

Assignee

• Nihon Bayer Agrochem K. K. · JP

Inventors

• Akihiko Yanagi · Tochigi, JP
• Shinichi Narabu · Yuki, JP
• Toshio Goto · Tochigi, JP
• Seishi Ito · Tochigi, JP
• Chieko Ueno · Frankfurt, DE

Key dates

• Filing date: Jun 30, 2003
• Grant date: Sep 14, 2004
• Expiry date: Jun 30, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D413/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to novel tetrazolinone derivatives of general formula (I) wherein R1 represents halogen, C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, C1-4 alkylthio, C1-4 alkylsulfonyl, C1-4 alkylsulfonyloxy, C2-5 alkoxycarbonyl, C2-6 alkoxyalkyl, C2-6 alkylthioalkyl, nitro or cyano, R2 represents a hydrogen atom, C1-6 alkyl, C3-6 cycloalkyl which may be optionally substituted with halogen, or C1-3 alkyl, C1-4 haloalkyl or phenyl which may be optionally substituted with halogen, or C1-3 aklyl, C1-4 haloalkyl or nitro, m represents 0, 1 or 2, n represents 0 or 1, Q represents one of the groups which are mentioned in the description. The invention further relates to their use as herbicides and a process together with the intermediates for their preparation.