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Tetranuclear Phosphinidine, Phosphide, Arsenide, and Oxide Anionic Clusters of Molybdenum and Tungsten Supported by Neopentoxide Ligands: Na(18-crown-6)[M4(μ3-PSiMe3)(OCH2tBu)11], K(18-crown-6)[M4(μ3-E)(OCH2tBu)10] (E = P, As), K(18-crown-6)2[Mo4(μ3-O)(OCH2tBu)11]

Budzichowski, Theodore A. ; Chisholm, Malcolm H. ; Folting, Kirsten ; Streib, William E. ; Scheer, Manfred
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Date of publication of this fulltext: 21 Jun 2010 12:49


From the reactions between M2(OCH2tBu)6 (2 equiv) and NaP(SiMe3)2 (1 equiv) in benzene and 18-crown-6 the phosphinidine clusters [M4(μ3-PSiMe3)(OCH2tBu)11]-, compounds 1 (M = Mo) and 2 (M = W) are formed and are reactive intermediates in the formation of [M4(μ3-P)(OCH2tBu)10]- cluster anions, compounds 3 (M = Mo) and 4 (M = W), respectively, which have been isolated and characterized as their ...


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