Substituted herbicide tetrazolinonecarboxylic acid amides

US6277790A · kind A · utility

Assignee

• BASF SE

Inventors

• Cyrill Zagar · Ludwigshafen, DE
• Gerhard Hamprecht · Weinheim, DE
• Markus Menges · Bensheim, DE
• Olaf Menke · Altleiningen, DE
• Robert Reinhard · Schifferstadt, DE
• Peter Schafer · Ottersheim, DE
• Karl-Otto Westphalen · Speyer, DE
• Martina Otten · Ludwigshafen, DE
• Helmut Walter · Obrigheim, DE

Key dates

• Filing date: Feb 1, 2000
• Grant date: Aug 21, 2001
• Expiry date: Feb 1, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D409/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Tetrazolinonecarboxamides of formula I ##STR1## wherein PA1 Het is oxetan-3-yl, thietan-3-yl, tetrahydrofuran-3-yl, furan-3-yl, tetrahydrothiophen-3-yl, thiophen-3-yl, tetrahydro-2H-pyran-3-yl, tetrahydro-2H-thiopyran-3-yl, tetrahydro-2H-pyran-4-yl or tetrahydro-2H-thiopyran-4-yl, in each case with or without substitution; PA1 R.sup.1 is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, phenyl, or 3- to 7-membered heterocyclyl; PA1 R.sup.2 is hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, or is optionally substituted cycloalkyl, cycloalkylalkyl, phenyl, phenylalkyl, 3- to 7-membered heterocyclyl, or 3- to 7-membered heterocyclylalkyl, their preparation and herbicidal compositions comprising them.