Ewelina Orlowska, Maria V Babak, Orsolya Dömötör, Eva A Enyedy, Peter Rapta, Michal Zalibera, Lukáš Bučinský, Michal Malček, Chinju Govind, Venugopal Karunakaran, Yusuf Chouthury Shaik Farid, Tara E McDonnell, Dominique Luneau, Dominik Schaniel, Wee Han Ang, Vladimir B Arion
With the aim of enhancing the biological activity of ruthenium-nitrosyl complexes, new compounds with four equatorially bound indazole ligands, namely, trans-[RuCl(Hind)4 (NO)]Cl2 ·H2 O ([3]Cl2 ·H2 O) and trans-[RuOH(Hind)4 (NO)]Cl2 ·H2 O ([4]Cl2 ·H2 O), have been prepared from trans-[Ru(NO2 )2 (Hind)4 ] ([2]). When the pH-dependent solution behavior of [3]Cl2 ·H2 O and [4]Cl2 ·H2 O was studied, two new complexes with two deprotonated indazole ligands were isolated, namely [RuCl(ind)2 (Hind)2 (NO)] ([5]) and [RuOH(ind)2 (Hind)2 (NO)] ([6])...
September 4, 2018: Inorganic Chemistry