[1] Department of Organic Chemistry,
[2] University of łódź,undefined
[3] PL-90136 łódź,undefined
[4] Poland,undefined
[5] Synthèse et Electrosynthèse Organique,undefined
[6] Université Rennes 1,undefined
[7] F-35042 Rennes Cedex,undefined
[8] France,undefined