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A mixture of 433 g. 2,5-dimethyl-3-nitrophenol, 360 g. potassium carbonate, 326 ml. benzyl chloride and 2 liters dimethyl formamide is stirred overnight at 50° C. The reaction mixture is then filtered with suction and the filtrate is evaporated to dryness in a vacuum. The residue is poured on to 4 liters of ice-water and, after suction filtration and drying in the air, there are obtained 668 g. of yellowish crystals; m.p. 66°-68° C.

1. additionA mixture of 433 g
2. filtrationThe reaction mixture is then filtered with suction
3. customthe filtrate is evaporated to dryness in a vacuum
4. additionThe residue is poured on to 4 liters of ice-water
5. filtrationafter suction filtration
6. customdrying in the air, there
7. customare obtained 668 g