Water → HCID 13268185, compound

Participants

Reaction Steps

A suspension of 20 g of 1-[3'-(2"-chloro-4"-trifluoromethylphenylthio)-phenyl]-4,5-dichloropyridaz-6-one, 5.3 g of sodium methylate and 0.1 g of N-methylpyrrolidone in 150 ml of absolute toluene was kept at 60° C. for 2 hours, while stirring. The solution formed was diluted with 200 ml of ether, treated with twice 100 ml of water, dried, filtered and evaporated down under reduced pressure. The oily residue was triturated with diisopropyl ether, and the product was filtered off under suction. 15.7 g (80% of theory) of 1-[3'-(2"-chloro-4"-trifluoromethylphenylthio)-phenyl]-4,5-dimethoxypyridaz-6-one of melting point 86° to 90° C. were obtained.

Provenance & Evidence