(untitled) - Paterson,I.; Chen,D.Y.-K.; Coster,M.J.; Aceña,J.L.; Bach,J.; Gibson,K.R.; Keown,L.E.; Oballa,R.M.; Trieselmann,T.; Wallace,D.J.; Hodgson,A.P.; Norcross,R.D. (Angew. Chem., Int. Ed., 2001)