Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives

摘要

The present invention relates to a process for preparing tetrazole-substituted anthranilamide derivatives of the formula (I);
in which R1, R2, R3, R4, R5 and Z are each as defined in the description, and to a novel crystal polymorph of these derivatives and to the use thereof in agrochemical formulations.

主权项

1. Crystal polymorph B of the compound of the formula (I-1) wherein said crystal polymorph B comprises an x-ray powder diffractogram using Cu Kα radiation that has at least the following reflections:2theta/° 5.7 6.411.417.618.921.123.223.423.5 25.2.