Hydrogen Peroxide → HCID 13142195, compound

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Reaction Steps

1-Methyl-5-(2-pyridyl)methylthio-1,2,3,4-tetrazole (2.0 g) is dissolved in formic acid (20 ml), and thereto is added with stirring 30% hydrogen peroxide (1.3 g) at room temperature, and the mixture is stirred for 5 hours. Sodium hydrogensulfite is added to the mixture under ice-cooling in order to decompose excess performic acid. Water is added to the mixture and it is extracted with chloroform. Chloroform solution is washed with water and saturated aqueous sodium bicarbonate and dried over magnesium sulfate. After chloroform is distilled off, the residue is purified by column chromatography [Wakogel C-200, eluting agent, chloroform-methanol (50:1)] to give 1-methyl-1,2,3,4-tetrazol-5-yl 2-pyridylmethyl sulfoxide as brown liquid, nD26.5 =1.5810.

Provenance & Evidence