Methylparaben → Methyl 4-(tetradecyloxy)benzoate

Beteiligte Stoffe

Reaktionsschritte

A mixture of 150 g methyl-4-hydroxybenzoate, 1.5 L 2-butanone, 272.5 g potassium carbonate and 293 ml 1-bromotetradecane is heated at reflux for 66 hours. The reaction is cooled to room temperature, filtered, the filtrate concentrated in vacuo and the residue recrystallized from methylene chloride/hexane to give 258.8 g of the desired product. MP 56°-58° C.

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