Ott, Dimitri; Seifert, Joachim; Prahl, Ingo; Niemietz, Mathaeus; Hoffman, Joanna; Guder, Janna; Moennich, Manuel; Unverzagt, Carlo European Journal of Organic Chemistry, 2012, # 26 p. 5054 - 5068 doi: 10.1002/ejoc.201200468