[1] Mutah Univ, Fac Sci, Dept Chem Sci, Al Karak, Jordan
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
[3] Tech Univ Chemnitz, Fac Nat Wissensch, Inst Chem, D-09111 Chemnitz, Germany
[4] Univ Kaiserslautern, Fachbereich Chem, D-67663 Kaiserslautern, Germany