420138-40-5

Pyribambenz-Propyl is used in methods and formulations for preventing downward migration of agricultural materials.

The commercial production of pyribambenz-propyl involves synthesising a benzoic acid derivative through stepwise organic reactions, beginning with the preparation of a 4,6-dimethoxypyrimidin-2-yl intermediate, which is then coupled via an ether linkage to a benzylamine-substituted benzoic acid. This intermediate undergoes esterification with propanol to yield the final herbicidal compound. The process includes controlled condensation, etherification, and esterification steps, followed by purification to ensure high yield and stability of the active ingredient.

Suspected inhibition in biosynthesis

Herbicide