SHORT COMMUNICATIONS 2719 benzoy1) butyric acid respectively. The latter acid was identical with that9 obtained by the acidic hydrolysis of the lactam (9) which was obtained by the periodate oxidation of cyclopent [b] indole. For comparison purposes, 5-(2- aminobenzoy1) valeric acid was prepared by acidic hydrolysis of the lactam (lO) 9 which in turn was obtained by the periodate oxidation of 1, 2, 3, 4-tetrahydrocarbazole. 4 The ...
