Process for the preparation of tetrazole-substituted anthranilic acid diamide derivatives by reaction of benzoxazinones with amines

摘要

Patent Summary for: "Process for the preparation of tetrazole substituted anthranilic acid diamide derivatives by reaction of benzoxazinones with amines". The present invention relates to a process for the preparation of tetrazole substituted anthranilic acid diamide derivatives of formula (i) (i) wherein r1, r2, r3, r4, and z have the meanings defined in the description, by the reaction of benzoxazinones with amines.