Synthesis of Seco-Acids of the Dammarane Series.-The synthesis of the title acids (IV) and (V) is presented. Whilst acid (V) (yield in g) is obtained directly by chromic acid oxidation of alnincanone (I), the acid (IV) is formed via the hydroximino derivative (II) and nitrile (III). Both acids show activity against influenza type A virus. -(ZORINA, A. D.; MIKHAILOV, YU. D.; BALYKINA, L. V.; SMIRNOV, I. I.; PLATONOV, V. G.; GORDON, M. A.; CHIZHOV, N. P.; SHAVVA, A. G.; Khim. -Farm. Zh. 31 (1997) 6, 52-54; Nauchno-issled. inst. khim. St. Peterburgskogo gos. univ., St. Petersburg, Russia; RU)
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