Fungicidal pyrazoles
Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, wherein Q 1 is a phenyl ring, naphthalenyl ring system, a 5- to 6-membered fully unsaturated heterocyclic ring or an 8- to 10-membered heteroaromatic bicyclic ring system, each as described with optional substituents as defined in the disclosure; Q 2 is a phenyl ring, a naphthalenyl ring system, a 5- to 6-membered saturated, partially unsaturated or fully unsaturated heterocyclic ring, or an 8- to 10-membered heteroaromatic bicyclic ring system, each as described with optional substituents as defined in the disclosure; X is O, S(O) m , NR 4 , CR 15 R 16 , C(═O) or C(═S); and R 1 , R 1a , R 2 , R 4 , R 15 , R 16 and m are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling plant disease caused by a fungal pathogen comprising applying an effective amount of a compound or a composition of the invention. Also disclosed are compounds of Formula 2, including all geometric and stereoisomers, and salts thereof, wherein X is NH; and Q 1 , Q 2 and R 2 are as defined for Formula 1; which are useful as intermediates for preparing compounds of Formula 1.
1. A compound selected from Formula 18, N-oxides and salts thereof,
wherein
Q 1 is 2-Br-4-F-phenyl, 2-Cl-4-F-phenyl, 2-F-4-Cl-phenyl, 2,4-di-Cl-phenyl, 2,4-di-F-phenyl, 2-Br-6-F-phenyl, 2-Cl-6-F-phenyl, 2,6-di-Cl-phenyl or 2,6-di-F-phenyl;
R 2 is CH 3 ; and
R 33 is CH 3 , CH 2 CH 3 or CH 2 CH 2 CH 3 .
2. A compound of claim 1 wherein
Q 1 is 2-Br-4-F-phenyl or 2-Cl-4-F-phenyl;
R 33 is CH 3 and CH 2 CH 3 .
3. A compound of claim 2 wherein
Q 1 is 2-Br-4-F-phenyl; and
R 33 is CH 3 .