m-Chloroperbenzoic acid → 2-Chloro-5-(phenylsulfinyl)pyridine

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Reaction Steps

A solution of 2-chloro-5-(phenylthio) pyridine (2.21 g., .01 moles) in 50 ml. of methylene chloride is treated with a methylene chloride solution of 2.02 g. of 85% m-chloroperbenzoic acid. The solution is stirred at room temperature for 1 hour and washed with 50 ml. of aqueous saturated sodium bicarbonate solution. The organic layer is separated dried and evaporated in vacuo to yield 2-chloro-5-(phenylsulfinyl)pyridine.

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