a
Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, 20018 San Sebastián, Spain
E-mail: vadym.soloshonok@ehu.es
;
Fax: +34 943-015270
;
Tel: +34 943-015177
b
IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
c
Department of Applied Chemistry, Faculty of Engineering, Okayama University, 3-1-1, Tsushimanaka, Kita-ku, Okayama 700-8530, Japan