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EXAMPLE 1 (a) 22 g. of acrylonitrile and 27 g. of racemic a methyl 5 phenylethylamine were introduced into a 100 ml. round-bottomed flask and left standing for 18 hours at ambient temperature, and then the mixture was 3,485,924 Patented Dec. 23, 1969 boiled under reflux for 12 /2 hours. The excess acrylonitrile was then evaporated in vacuo and the residue distilled. 27.3 g. (yield: 72.6%) of racemic N-(B cyanoethyl) a methyl ,8 phenylethylamine were obtained as an oily liquid, B.P.:126-127 C./2 mm. Hg.
(b) 22 g. of the base obtained in (a) were dissolved in ml. of anhydrous diethyl ether and an ethereal solution of hydrochloric acid added until the pH value was 1. The salt was filtered 01f, dried and washed with 10 ml. of diethyl ether. 18 g. (yield: 68%) of N-(B cyanoethyl) a methyl 3 phenylethylamine hydrochloride were obtained, after recrystallisation from absolute ethanol, as a white, microcrystalline, odourless powder having a bitter, acid taste; it was fairly soluble in water, soluble in ethanol and acetone, sparingly soluble ether and benzene. Melting point 146 C. on a Kofler block.
Analysis for C H N Cl.-Calculated percent: N: 12.47; C=16.26. Found percent: N:12.65; Cl:16.10.