Hay, Duncan A.; Adam, Fiona M.; Bish, Gerwyn; Calo, Frederick; Dixon, Rachel; Fray, M. Jonathan; Hitchin, James; Jones, Peter; Paradowski, Michael; Parsons, Gemma C.; Proctor, Katie J.W.; Pryde, David C.; Smith, Nicholas N.
Tetrahedron Letters, 2011 , vol. 52, # 44 p. 5728 - 5732