Abstract: | The CD spectra of a number of natural and synthetic cycloartane ketones have been studied. The influence of 6 -hydroxy group on the Cotton effect due to a 3-keto function has been found. The Cotton effect has been determined for 6-oxo-and 11-oxocycloartanes.Institute of the Chemistry of Plant Substances of the Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 614–628, September–October, 1986. |