Dimeric indole alkaloid, anhydrovinblastine, which can be obtained from catharanthine and vindoline in a high yield, was converted stereoselectively into vinblastine through alternating oxidation–reduction with oxygen and NaBH 3 CN in the presence of anti-vinblastine monoclonal antibody.
[Magnus, Philip; Mendoza, Jose S.; Stamford, Andrew; Ladlow, Mark; Willis, Paul Journal of the American Chemical Society, 1992 , vol. 114, # 26 p. 10232 - 10245]
