Protonenaustausch in Re(CO)4(μ-H)(μ-PPh2)Mo(η5-C5H5)(CO)2 gegen Triphenylphosphan-IB-Metallkationen

✍ Scribed by Haupt, Hans-Jürgen ;Flörke, Ulrich ;Disse, Gerd ;Heinekamp, Christoph

• Publisher: Wiley (John Wiley & Sons)
• Year: 1991
• Tongue: English
• Weight: 533 KB
• Volume: 124
• Category: Article
• ISSN: 0009-2940
• DOI: 10.1002/cber.19911241008

✦ Synopsis

Heterodimetallic complexes, phosphido-bridged / Molybdenum complexes / Rhenium complexes / Proton exchange, isolobal / Voltammetry, cyclic Proton Exchange in Re(CO),(p-H)(p-PPh2~Mo(q5-C5H5)(CO)2 Against Cationic IB Metal Phosphane Species Decacarbonyldirheniumreacts with hexacarbonylbis(~l~-cyclo-obtained anion 1 and triphenylphosphane IB metal cations pentadieny1)dimolybdenum and diphenylphosphane to give gave Re(C0)4(p-MPPh3)(p-PPh2)Mo(q5-C5H5)(CO)2 [M = Au Re(C0)4(p-H)(p-PPh,)Mo(q5-C5Hs)(C0)2 (1) with a Mo -R e (2), Ag (3), and Cu (4)] containing an MReMo triangle.

Their bond as ascertained by an X-ray structure analysis. The brid-yields increase in the sequence of compounds 4 < 3 < 2. 1, ging H atom of the heteronuclear metal-metal bond in 1 is 1-, and 2 were characterized by cyclovoltammetric measuredeprotaned with DBU. The redox condensation reaction of the ments, NMR, IR, and UV/Vis spectra.