Patent number: 6638940
Abstract: Compounds of formula
are described, wherein R1 and R2 are for example, independently of each other, halogen, C1-C6-alkyl, C3-C6-cycloalkyl, halogen-C1-C6-alkyl, halogen-C3-C6-cycloalkyl, C2-C4-alkenyl, C2-C4-alkinyl, halogen-C2-C4-alkenyl and halogen-C2-C4-alkinyl;
R3 is hydrogen, OH, halogen, C1-C6-alkoxy, or —O—C(═O)—C1-C6-alkyl;
R4 is for example phenyl, benzyl, phenoxy or benzyloxy, which is substituted by substituents selected from the group consisting of halogen, cyano, NO2, C1-C6-alkyl, C3-C8-cycloalkyl, C3-C8-cyclalkyl-C1-C6-alkyl, halogen-C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkoxy, C3-C8-cycloalkoxy-C1-C6-alkyl, C3-C8-cycloalkoxy-C1-C6-alkoxy, halogen-C1-C6-alkoxy, C2-C4-alkenyl, C2-C4-alkinyl, halogen-C2-C4-alkenyl, halogen-C2-C4-alkinyl, C2-C6-alkenyloxy, C2-C6-alkinyloxy, halogen-C2-C6-alkenyloxy, halogen-C2-C6-alkenyloxy, —NR6—C(═O)—O—C1-C6-alkyl, —NR6—C(═O)—O-halogen-C1-C6-alkyl, —C(R7)═N&
Type:
Grant
Filed:
February 25, 2002
Date of Patent:
October 28, 2003
Assignee:
Syngenta Crop Protection, Inc.
Inventor:
Stephan Trah