摘要:
AbstractThe 1H NMR spectra of 20′ S‐deoxyvinblastine and its N‐2′ borane complex have been unraveled. 2D δ‐J‐resolved NMR allowed to measure the isolated peaks in the overlapping patterns of the amine borane complex. Both compounds can now easily be discriminated on basis of 1H NMR data.