Journal of Organometallic Chemistry p. 1 - 8 (2016)
Update date:2022-07-31
Topics:
Rohrabaugh, Thomas N.
Doverspike, Joshua C.
Sawyer, Evan D.
Stibbard, Mitchell R.
Malosh, Thomas J.
Geib, Steven J.
A number of dinuclear ruthenium(I) sawhorse complexes substituted with an N-heterocyclic carbene or various phosphine ligands have been prepared and characterized by FT-IR, NMR, and elemental analysis. Treatment of [Ru2(μ-O2CCH3)2(CO)4]n with 2-electron donating ligands (L) yields the dimeric derivatives Ru2(μ-O2CCH3)2(CO)4L2, where L = IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene] (1), P(o-CH3C6H4)3 (2), P(C6F5)3 (3), P(c-C6H11)3 (4), and P(C6H5)3 (5). The syntheses of 1-3 are reported herein; the syntheses of 4 and 5 have been previously reported. The crystal structures of 1-3 have been determined by single crystal X-ray diffraction. Factors influencing the structures of 1-5 are discussed and compared to DFT calculated geometries. An initial assay of the catalytic activities of 1-5, employing the isomerization of 1-hexene, has been performed.
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