Spivak A.Y.,Russian Academy of Sciences |
Nedopekina D.A.,Russian Academy of Sciences |
Shakurova E.R.,Russian Academy of Sciences |
Khalitova R.R.,Russian Academy of Sciences |
And 8 more authors.
Russian Chemical Bulletin | Year: 2013
New derivatives of lupane triterpenoids, viz., 20,29-dihydrobetulinic and 3-epi-20,29-dihydrobetulinic acid derivatives containing triphenylphosphonium fragments as substituents were synthesized. These compound considerably exceed betulinic acid in antitumor activity. © 2013 Springer Science+Business Media New York. Source