SYNTHESIS OF ISOVINCADINE AND 16-EPIISOVINCADINE, ANALOGS OF VINCADINE AND 16-EPIVINCADINE WITH A NEW REARRANGED SKELETON, FROM A VINCADIFFORMINE DERIVATIVE
G. Lewin et C. Schaeffer, SYNTHESIS OF ISOVINCADINE AND 16-EPIISOVINCADINE, ANALOGS OF VINCADINE AND 16-EPIVINCADINE WITH A NEW REARRANGED SKELETON, FROM A VINCADIFFORMINE DERIVATIVE, Heterocycles, 45(3), 1997, pp. 475-481
Treatment of the rearranged indole alkaloid (3) under reductive condit
ions [a) hydrogenolysis; b) NaBH3CN in AcOH] provided 16-epiisovincadi
ne (6) and isovincadine (7), two new rearranged analogs of the alkaloi
ds 16-epivincadine (9) and vincadine (10).