Fluorination of betulinines and other triterpenoids with DAST

BIEDERMANN, D., J. ŠAREK, J. KLINOT, M. HAJDÚCH, P. DŽUBÁK
Fluorination of betulinines and other triterpenoids with DAST. Synthesis-Stuttgart. 2005, 1157-1163, ISSN: 0039-7881,