1-Bromooctane → Glyceryl octyl ascorbic acid

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Reaction Steps

Under an argon atmosphere, 3-O-glyceryl ascorbic acid (54.1 g) obtained in Example 1 was stirred in DMSO (200 mL), and further, sodium hydrogen carbonate (18.5 g) was added and the mixture was stirred at room temperature for 30 minutes. Thereafter, octyl bromide (63.7 g) was added and the mixture was heated up to 100° C. and stirred for 3 hours, followed by extraction with ethyl acetate. Then, the extracted liquid was dried over anhydrous sodium sulfate, and concentrated under reduced pressure, and 131 g of the resultant residue was subjected to silica gel column chromatography. Elution was performed with chloroform/methanol/water(volume ratio:10/3/0.4), and concentration was performed under reduced pressure to obtain 3-O-glyceryl-2-O-octyl ascorbic acid (48.0 g).

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