Ghosh, Pradyut; Federwisch, Guido; Kogej, Michael; Schalley, Christoph A.; Haase, Detlev; Saak, Wolfgang; Luetzen, Arne; Gschwind, Ruth M. Organic and Biomolecular Chemistry, 2005 , vol. 3, # 15 p. 2691 - 2700