“…Other solvents were purged with nitrogen for 10 min before use. CpRuCl(dppe) [28], CpRuH(dppe) [29], Cp ⁄ RuCl(COD) [30], Cp ⁄ RuCl(PPh 3 ) 2 [31], RuHCl(CO)(PPh 3 ) 3 [32], RuH 2 (CO)(PPh 3 ) 3 [32], {[(p-cymene) RuCl(NH 2 CH 2 CH 2 O)] 2 H}Cl [33], (p-cymene)RuCl(NH 2 CH 2 CH 2 NTs) Cl [34], (p-cymene)RuCl 2 (PPh 3 ) [35], Ru(OAc) 2 (PPh 3 ) 2 [36], RuCl 2 (PPh 3 ) 2 (2,2 0 -bipyridine) [37], RuCl 2 (NH 2 CH 2 CH 2 NH 2 )(PPh 3 ) 2 [38], RuCl 2 (dppf)(2-PyCH 2 NH 2 ) [39], RuCl 2 (dppb)(2-NH 2 CH 2 Py) [26], RuCl 2 (2-H 2 NCH 2 Py)(PPh 3 ) 2 [26], RuCl 2 (PPh 3 ) 3 [40], RuCl 2 (DMSO) 4 [41], CpRuCl(PPh 3 ) 2 [42], and RuCl 2 (PPh 3 )(2,2 0 :6 0 ,2 00 -terpyridine) [43] were prepared following the procedures described in the literature. All other reagents were used as purchased from Aldrich Chemical Co., Acros Organics, International Laboratory (USA), or Kodak.…”