LaBeaume, Paul; Placzek, Michael; Daniels, Mathew; Kendrick, Ian; Ng, Patrick; McNeel, Melissa; Afroze, Roushan; Alexander, Abigail; Thomas, Rhiannon; Kallmerten, Amy E.; Jones, Graham B. Tetrahedron Letters, 2010 , vol. 51, # 14 p. 1906 - 1909