Fish, Paul V.; Mackenny, Malcolm; Bish, Gerwyn; Buxton, Timothy; Cave, Russell; Drouard, David; Hoople, David; Jessiman, Alan; Miller, Duncan; Pasquinet, Christelle; Patel, Bhairavi; Reeves, Keith; Ryckmans, Thomas; Skerten, Melanie; Wakenhut, Florian Tetrahedron Letters, 2009 , vol. 50, # 4 p. 389 - 391