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THE replacement of the alcoholic hydrogen in active malic, lactic, and tartaric acids by alkyl groups causes a striking increase of optical activity. The primary object of the following investigation was to ascertain the effect of a similar replacement in the much more highly active mandelic acid. Schreiner's method for making inactive ethereal alkyloxy-salts (An- nalew" 18$9,197,12) has not as yet been successfully applied in the case of active compounds. Purdie and Williamson, for instance,doi:10.1039/ct8997500753 fatcat:x4ofqucxsreshdcytg3xwgfkh4