A 100-g. sample of this product on vacuum fractionation through a Podbielniak semi-micro column was found, except for a 3.3 cc. fore-run, to be homogeneous as regards distillation constants and refractive index.A liquid benzoate ester was obtained in approximately 70% yield when a 0.25-mole sample was refluxed with excess benzoic acid in dry toluene, with ^-toluene-sulfonic acid as the catalyst, and the water removed by azeotropic distillation. Its constants were: b. p. 182-183 °(0.5 mm.); »26d 1.5158; d264 1.1038. A sample of this ester, on alkaline hydrolysis, gave an approximately quantitative recovery of benzoic acid and an oil identical with the above I, 3-ditetrahydrofurylpropanol-l as shown by density, refractive index, boiling point and solubility behavior.

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