“…They are stable to air and humidity. The employed synthetic procedure is similar to the one used by Leznoff and coworkers 38,48,49 and could be used with other ligands (yield: 90.5%, elemental analysis (%): calcd for C 32 -H 21 Au 2 N 11 Cu 2 : C, 35.56%; H, 1.95%; N, 14.25%; found: C, 35.35%; H, 1.89%; N, 14.33%. IR (ATR) cm −1 : 3073(w), 3002(w), 2152(s), 1604(m), 1515(w), 1449(w), 1254 (vs), 1170(s), 1037(s), 785(s), 771(m), 639(s), 519(w)).…”