O. Y. Ashavina

Oxidation of betulin and its acetates with dimethyldioxirane

G. Tolstikov, M. Antipin, Z. Starikova, 2004 .

Synthesis of 3-O-Acetylbetulinic And Betulonic Aldehydes According to Svern and the Pharmacological Activity of Related Oximes

G. Tolstikov, O. Savinova, N. Kabal’nova, 2002, Pharmaceutical Chemistry Journal.

Selective Oxidation of Triterpene Alcohols by Sodium Hypochlorite

G. Tolstikov, N. Kabal’nova, F. Galin, 2004, Chemistry of Natural Compounds.