Cluster chemistry. 79. Formation of unusual phosphine ligands by three-component condensation reactions on ruthenium cluster. X-ray structures of Ru4[.mu.4-.sigma.(O,P),.sigma.,.eta.2-C5H4(O)(PPh2)](.mu.-PPh2)(CO)11 and Ru4[.mu.4-.sigma.(O,P),.sigma.,.eta.2-C6H3(CO)(PPh2)](.mu.-PPh2)(CO)9(.eta.3-C4H7)
Keyword(s):
X Ray
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