Kuhn, Norbert; Zauder, Edgar; Boese, Roland; Blaeser, Dieter:

Synthesis and reactivity of dienyl-metal compounds. Part 30. Alkylation of thiolato bridges: a route to stable dialkyl sulfide bridged dinuclear molybdenum complexes. Crystal structure determination of carbonylbis(h-cyclopentadienyl)di-m-(dimethyl sulfide)-2-(trimethylphosphine)dimolybdenum(II) bis(tetrafluoroborate).

In: Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), (1988) ; Nr. 8, S. 2171-2175
ISSN: 0300-9246
Zeitschriftenaufsatz / Fach: Chemie
[[Mo(Cp)(CO)(m-SMe)]2] (Cp = h5-cyclopentadienyl) is methylated in two steps by Me3OBF4 to give the stable cations [[Mo(Cp)(CO)]2(m-SMe)(m-SMe2)]+ and [[Mo(Cp)(CO)(m-SMe2)]2]2+. In the latter, one CO ligand was replaced by PMe3 or P(OMe)3. The x-ray structure of [(Cp)(CO)Mo(m-SMe2)2Mo(PMe3)(Cp)][BF4]2 shows a slightly lengthened Mo-Mo double bond [2.693(1) .ANG.] combined with a short Mo-S bond (ca. 2.34 .ANG.).

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