De Meijere, Armin; Schirmer, Heiko; Stein, Frank; Funke, Frank; Duetsch, Michael; Wu, Yao-Ting; Noltemeyer, Mathias; Belgardt, Thomas; Knieriem, Burkhard Chemistry - A European Journal, 2005 , vol. 11, # 14 p. 4132 - 4148