Water → 4,4-Dimethyl-2-(4'-methanesulfonyloxymethylbipbenyl-2-yl)oxazoline

関与物質

反応手順

2.0 g (7.1 mmol) of 4,4-dimethyl-2-(4'-hydroxymethylbiphenyl-2-yl)oxazoline and 1.43 g (14.1 mmol) of triethylamine were dissolved in methylene chloride (20 ml). A solution of 0.98 g (8.6 mmol) of methanesulfonyl chloride in methylene chloride (10 ml) was dropwise added thereto under cooling with salt-ice. After stirring for 8 hours as such, the reaction liquid was poured into water, followed by the extraction with methylene chloride. After washing with water and drying, vacuum concentration was conducted. 2.53 g of the title compound was obtained as an oil (yield 99%).

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