Gold-catalyzed bis-cyclization of 1,2-diol- or acetonide-tethered alkynes. Synthesis of β-lactam-bridged acetals: a combined experimental and theoretical study

Benito Alcaide, Pedro Almendros, Rocío Carrascosa, Ramón López, María I. Menéndez

Tetrahedron

Volume 68, Issue 52, 30 December 2012, Pages 10748–10760

http://dx.doi.org/10.1016/j.tet.2012.03.028