摘要:
AbstractThe structure of vincarodine has been determined to be 1 by an investigation of its IR.‐, UV.‐, 1H‐ and 13C‐NMR.‐ and mass spectra. A 13C‐NMR. analysis has been performed on the bases vincamine (2), epivincine (9), 14, 15‐dehydrovincine (7) and its 16‐epimer (8).