Processes for the preparation of pesticidal compounds

摘要

The present application provides processes for making pesticidal compounds and compounds useful both as pesticides and in the making of pesticidal compounds.

主权项

1. A process for the preparation of thioether (7b) useful as a pesticide,wherein R1 is selected from the group consisting of C1-C4 haloalkyl and C1-C4 alkyl-C3-C6 halocycloalkyl, the process comprising acylating 3-chloro-N-ethyl-1H-pyrazol-4-amine (7a)with an acyl chloride of the formula ClC(O)CH2CH2SR1 in the presence of sodium bicarbonate in a mixture of tetrahydrofuran and water.