title: Polycyclic alkaloids via transannular Mannich reactions.
abstract: The tricyclic compound , representing the framework of the cylindricine and lepadiformine alkaloids, was prepared in a single operation via the first example of a transannular Mannich reaction involving a macrocyclic diketoamine .
authors.affiliation: Department of Chemistry, Technical University of Denmark, 201 Kemitorvet, Lyngby, DK-2800 Kgs, Denmark.
authors.forename: Paulo
authors.initials: P
authors.lastname: Vital
authors.forename: Masood
authors.initials: M
authors.lastname: Hosseini
authors.forename: M Sundaram
authors.initials: MS
authors.lastname: Shanmugham
authors.forename: Charlotte H
authors.initials: CH
authors.lastname: Gotfredsen
authors.forename: Pernille
authors.initials: P
authors.lastname: Harris
authors.forename: David
authors.initials: D
authors.lastname: Tanner