CROSS REFERENCE TO RELATED APPLICATIONS
This application is the U.S. National Phase of International Application No. PCT/FR2011/050432, filed Mar. 2, 2011, designating the U.S. and published as WO 2011/107710 on Sep. 9, 2011 which claims the benefit of French Patent Application No. 10 51491 filed
FIELD OF THE INVENTION
This invention relates to a new process for producing an organic compound which has useful antitumor activity. More particularly, this invention relates to an improved method for the isolation of vinblastine from the plant, Catharanthus roseus.
BACKGROUND OF THE