High-nuclearity ruthenium carbonyl cluster chemistry. 8: Phosphine activation, CO insertion, and deruthenation at a phosphido cluster - X-ray structures of [ppn][Ru8(μ8-P)(μ-CO)2(CO)20] and [ppn][Ru7(μ7-P)(μ-η-OCPh)(μ-PPh2)(μ-CO)(CO)17] |
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| Authors: | Michael D. Randles Marie P. Cifuentes |
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| Affiliation: | a Department of Chemistry, Australian National University, Canberra, ACT 0200, Australia
b Research School of Chemistry, Australian National University, Canberra, ACT 0200, Australia |
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| Abstract: | Reaction of the square antiprismatic cluster [ppn][Ru8(μ8-P)(μ-CO)2(CO)20] [ppn = bis(triphenylphosphoranylidene)ammonium] with triphenylphosphine proceeds by loss of one cluster core vertex, phosphine P-C cleavage, and CO insertion into the putative Ru-phenyl bond to afford [ppn][Ru7(μ7-P)(μ-η2-OCPh)(μ-PPh2)(μ-CO)(CO)17] in low yield, the first heptaruthenium μ7-phosphido-ligated cluster. |
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| Keywords: | Crystal structure Ruthenium Phosphido Interstitial Cluster |
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