1. Institut für Anorganische Chemie; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
2. Institute for Sustainable Chemistry & Catalysis with Boron; Julius-Maximilians-Universität Würzburg; Am Hubland 97074 Würzburg Germany
3. Department of Chemistry; Division of Natural and Exact Sciences; University of Guanajuato; campus Gto., Noria Alta s/n 36050 Guanajuato Mexico