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. 2021 Dec 1;122(1):565–788. doi: 10.1021/acs.chemrev.1c00449

Scheme 167. Synthesis of the Pyrene-Biimidazole-Based Ru(II) and Os(II) Complexes.

Scheme 167

Reagents and conditions: (a)336 (1) cis-[Ru(bpy)2Cl2]·2H2O, AgClO4, EtOH, reflux, 1 h, (2) 167.1, reflux, 10 h; (b) (1) cis-Os(bpy)2Cl2, EtOH, water, reflux, 40 h, (2) NaClO4, rt; (c)338 (1) cis-[Ru(bpy)2Cl2]·2H2O, ethylene glycol, reflux, overnight, (2) NaClO4, water, rt; (d) (1) cis-Os(bpy)2Cl2, ethylene glycol, reflux, overnight, (2) NaClO4, water, rt.