%0 Journal Article %@ 0040-4039 %A Ueda, M %A Walczak, MAA %A Wipf, P %D 2008 %F pittir:19251 %J Tetrahedron Letters %N 41 %P 5986 - 5989 %T Formal Alder-ene reaction of a bicyclo[1.1.0]butane in the synthesis of the tricyclic quaternary ammonium core of daphniglaucins %U http://d-scholarship-dev.library.pitt.edu/19251/ %V 49 %X A tricyclic substructure of the tetracyclic nitrogen core of the daphniglaucins was formed by an oxidative activation of the allyl side chain of a bicyclo[1.1.0]butylmethylamine, a spontaneous intramolecular formal Alder-ene reaction, and a selective cyclization of a triol intermediate. © 2008 Elsevier Ltd. All rights reserved.