Abstract
The 16-membered S2O3-donor macrocycle L 1 (1,11-dithia-3,4;8,9-dibenzo-5,7,14-trioxacyclohexadecane) was synthesized by a dithiol–dihalide coupling reaction under high dilution conditions. Reaction of L 1 with AgClO4 afforded a half-sandwich type mononuclear silver complex 1, [AgL1(CH3CN)](ClO4), which can then be manipulated to provide a unique dumbbell-shaped disilver complex 2, [(AgL1)2(μ-bpy)](ClO4)2 through a successive reaction with 4,4′-bipyridine (bpy). The macrocyclic mono- and dinuclear silver complexes 1 and 2 as well as L 1 were structurally characterized by X-ray crystallography.
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