名称:
                                Synthetic transformations of higher terpenoids: XXIV. Synthesis of cyanoethyl derivatives of lupane triterpenoids and their transformation into 1,2,4-oxadiazoles
                             
                            
                                摘要:
                                Cyanoethylation of lupane triterpenoids was performed. Amide oximes of 3 beta-O-(2-cyanoethyl)-betulinic acid methyl ester and 3 beta-O-acetyl-28-O-(2-cyanoethyl)betulin and the corresponding O-[2-(1,2,4-oxadiazol-3-yl)ethyl] lupane derivatives were obtained.
                             
                                                            
                                    DOI:
                                    10.1134/s1070428011040208