Heterocyclic dihydrazole compounds and their use for controlling fungal plant diseases

US6096895A · kind A · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Richard James Brown · Newark, US
• Dilon Jancey Daniel · Bear, US
• Deborah Ann Frasier · Wilmington, US
• Michael Henry Howard, Jr. · Montchanin, US
• Gerard M. Koether · Wilmington, US
• Morris P. Rorer · Newark, US

Key dates

• Filing date: Nov 13, 1997
• Grant date: Aug 1, 2000
• Expiry date: Nov 13, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/0812
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of Formula I, and their N-oxides and agriculturally suitable salts, are disclosed which are useful as fungicides ##STR1## In said formula, E is a ring system selected from certain 5- to 12-membered monocyclic and fused bicyclic aromatic heterocyclic ring systems, or an optionally substituted naphthalene ring as defined in the disclosure; PA1 A is O; S; N; NR.sup.5 ; or CR.sup.14 ; PA1 G is C or N; provided that when G is C, then A is O, S or NR.sup.5 and the floating double bond is attached to G; and when G is N, then A is N or CR.sup.14 and the floating double bond is attached to A; PA1 W is O; S; NH; N(C.sub.1 -C.sub.6 alkyl); or NO(C.sub.1 -C.sub.6 alkyl); PA1 X is OR.sup.1 ; S(O).sub.m R.sup.1 ; or halogen; PA1 R.sup.1 is C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.6 haloalkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.2 -C.sub.6 haloalkenyl; C.sub.2 -C.sub.6 alkynyl; C.sub.2 -C.sub.6 haloalkynyl; C.sub.3 -C.sub.6 cycloalkyl; C.sub.2 -C.sub.4 alkylcarbonyl; or C.sub.2 -C.sub.4 alkoxycarbonyl; PA1 R.sup.2 is H; C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.6 haloalkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.2 -C.sub.6 haloalkenyl; C.sub.2 -C.sub.6 alkynyl; C.sub.2 -C.sub.6 haloalkynyl; C.sub.3 -C.…