title: Total Synthesis of Apoptolidin: Part 1. Retrosynthetic Analysis and Construction of Building Blocks We thank Dr. D. H. Huang and Dr. G. Siuzdak for NMR spectroscopic and mass spectrometric assistance, respectively. This work was financially supported by the National Institutes of Health (USA), the Skaggs Institute for Chemical Biology, American Biosciences, a pre-doctoral fellowship from Boehringer Ingelheim (Y.L.), a postdoctoral fellowship the George Hewitt Foundation (K.C.F.), and grants from Abbott Laboratories, ArrayBiopharma, Bayer, Boehringer Ingelheim, DuPont, Glaxo, Hoffmann-LaRoche, Merck, Novartis, Pfizer, and Schering Plough.
authors.affiliation: Department of Chemistry and The Skaggs Institute for Chemical Biology The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla, CA 92037 (USA).
authors.forename: K. C.
authors.initials: KC
authors.lastname: Nicolaou
authors.forename: Yiwei
authors.initials: Y
authors.lastname: Li
authors.forename: Konstantina C.
authors.initials: KC
authors.lastname: Fylaktakidou
authors.forename: Helen J.
authors.initials: HJ
authors.lastname: Mitchell
authors.forename: Heng-Xu
authors.initials: HX
authors.lastname: Wei
authors.forename: Bernd
authors.initials: B
authors.lastname: Weyershausen