Transition metal complexes with the proton sponge 4,9-dichloroquino[7,8-h]quinoline: Highly twisted aromatic systems and an extreme "out-of-plane" position of the coordinated transition metal atom
Hu. Wustefeld et al., Transition metal complexes with the proton sponge 4,9-dichloroquino[7,8-h]quinoline: Highly twisted aromatic systems and an extreme "out-of-plane" position of the coordinated transition metal atom, ANGEW CHEM, 40(17), 2001, pp. 3182