Boyle, Timothy P.; Bremner, John B.; Coates, Jonathan A.; Keller, Paul A.; Pyne, Stephen G.
Tetrahedron, 2005 , vol. 61, # 30 p. 7271 - 7276

Lloyd, Richard C.; Lloyd, Michael C.; Smith, Mark E. B.; Holt, Karen E.; Swift, Jonathan P.; Keene, Philip A.; Taylor, Stephen J. C.; McCague, Raymond
Tetrahedron, 2004 , vol. 60, # 3 p. 717 - 728