Figure 2 (Left) Previously reported thioether ligands with W = X = Y = CH (Teles et al., 2006); X = Y = N, W = CH; and W = Y = N, X = CH (Fresta et al., 2022). (Right) N,N′-Bidentate ligands derived from 4,6-dichloropyrimidine, with Z = N(CH3)2 (Moyaert et al., 2017) or Cl (L1; this work).