N-Metallation of MS2N2 rings. X-ray crystal structures of [(η5-C5Me5)Ir(S2N2)Au(PPh3)][ClO4], [{(η5-C5Me5)Ir(S2N2)Au}2(μ2-dppm)][ClO4]2 and [Au(dppeS-P)Cl]2

Bimetallic complexes [(η5-C5R5)M(S2N2)Au(PPh3)][ClO4] and tetrametallic species [{(η5-C5R5)M(S2N2)Au}2(μ2-P^P)][ClO4]2 (R=H, M=Co; R=Me, M=Ir; P^P=dppm or dppe) can be prepared by treatment of [(η5-C5R5)M(S2N2)] with gold(I) electrophiles generated by chloride abstraction from [AuCl(PPh3)] or [(AuCl)2(μ2-P^P)]. X-Ray crystallography of [(η5-C5Me5)Ir(S2N2)Au(PPh3)][ClO4] and [{(η5-C5Me5)Ir(S2N2)Au}2(μ2-dppm)][ClO4]2 confirms auration of the metal-bound nitrogen atom of the MS2N2 ring. π-Stacking of theMS2N2 rings occurs within both structures.

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