Synthesis and X-ray Structures of [Os3Pt(CO)9(μ4-η2-C≡CPh)(η1-C≡CPh)(L)] (L = 4,4′-Dimethyl-2,2′-bipyridine, 4,4′-bis(tert-butyl)-2,2′-bipyridine): New Heterometallic Clusters with a μ4-η2- and an η1-Acetylide Group on a Spiked-Triangular Metal Core
Abstract:Treatment of [Os3(CO)10(NCMe)2] with platinum bis(alkynyl) complexes cis‐[Pt(C≡CPh)2(L)] [L = 4,4′‐dimethyl‐2,2′‐bipyridine (Me2bipy), 4,4′‐bis(tert‐butyl)‐2,2′‐bipyridine (tBu2bipy)] at room temperature readily affords the novel, spiked‐triangular heterometallic cluster complexes [Os3Pt(CO)9(μ4‐η2‐C≡CPh)(η1‐C≡CPh)(L)] (L = Me2bipy 1, tBu2bipy 2) in moderate yields. X‐ray analysis of both complexes reveals that one alkynyl moiety is coordinated to the metal atoms in a μ4‐η2(||) mode, accompanied by a concomita… Show more
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