title: Synthesis of the FGHI Ring System of Azaspiracid We thank Dr. D. H. Huang and Dr. G. Siuzdak for NMR spectroscopic and mass spectrometric assistance, respectively. Financial support for this work was provided by The Skaggs Institute for Chemical Biology, the National Institutes of Health (USA), a predoctoral fellowship from Bristol-Myers Squibb (F.B.), postdoctoral fellowships from the Academy of Finland, the Ella and Georg Ehrnrooth Foundation, and the Tauno Tönning Foundation (all to P.M.P.), ArrayBiopharma (N.Z.), and Bayer AG (N.D.), and grants from Abbott, Amgen, ArrayBiopharma, Boehringer-Ingelheim, Glaxo, Hoffmann-LaRoche, DuPont, 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: Petri M.
authors.initials: PM
authors.lastname: Pihko
authors.forename: Nicole
authors.initials: N
authors.lastname: Diedrichs
authors.forename: Ning
authors.initials: N
authors.lastname: Zou
authors.forename: Federico
authors.initials: F
authors.lastname: Bernal