Water → 1,4-Anhydro-2-S-[(4-methoxyphenyl)methyl]-2-thio-L-arabinitol

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Reaction Steps

To a room temperature solution, under argon, of 10.9 g of product from Example 322 in 115 ml of absolute ethyl alcohol is added 1.57 g of sodium borohydride. The reaction is stirred at room temperature for 1 hour. Water is added dropwise with stirring and the minute is concentrated in vacuo. The residue is extracted with methylene chloride, washed with water, dried and concentrated in vacuo to give after chromatography (Silica gel: 50-75% ethyl acetate/hexane) 7.68 g of the desired product.

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