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A solution of 25.5 gm (0.1 mol) of potassium 2,5-dichloro-4-methylmercapto-phenolate and 16.2 gm (0.1 mol) of 2,4-dichloro-6-methyl-pyridine in 100 ml of dimethylformamide was heated under reflux for 5 hours. It was then cooled and poured into 300 ml of water. The precipitate which separated out was recovered by suction filtration, washed with water, and recrystallized from isopropanol.

1. temperatureunder reflux for 5 hours
2. temperatureIt was then cooled
3. customThe precipitate which separated out
4. filtrationwas recovered by suction filtration
5. washwashed with water
6. customrecrystallized from isopropanol