Water → 2-Methyl-3-hydroxy-4-benzoylthiomethyl-5-vinylpyridine

Beteiligte Stoffe

Reaktionsschritte

To a stirred solution of 65 g. of 2-methyl-3-hydroxy-4-chloromethyl-5-vinylpyridine in 1 liter of ethanol under nitrogen there was added 96 g. of potassium thiobenzoate in 200 ml. of water over 30 minutes. After 1 hour, the ethanol was evaporated at 40° C. and the aqueous solution was extracted with 4 × 300 ml. of ethyl acetate. The extract was washed with 1 × 75 ml. of water, dried over magnesium sulfate and concentrated to dryness to give 2-methyl-3-hydroxy-4-benzoylthiomethyl-5-vinylpyridine.

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