The I-acid was obtained in a similar manner from the crude soluble salt. The free ... Rotation. l-Acid, 0.1544 g. made up to 25 cc. with pyridine at 20" gave CY= -0.31; ... Racemization Experiments.-A solution of 0.1817 g. of d-acid made up to 25 cc. with pyridine at 20°, aD +0.40,1 = 2, [a]': $27.5, was refluxed for twenty-four hours. No change in initial rotation was observed. A solution of 0.1990 g. of d-acid in 50 cc. of 0.1 N sodium hydroxide gave an ...
