Reductive trapping of [(OC₅W-W(CO)₅]²⁻ in a mixed-valent Smᴵᴵ/ᴵᴵᴵ calix[4]pyrrolide sandwich

Journal Publication ResearchOnline@JCU
Deacon, Glen B.;Guo, Zhifang;Junk, Peter c.;Wang, Jun
Zhifang GuoPeter Junk
Abstract

Reduction of tungsten hexacarbonyl by the divalent samarium(II) complex [Sm-2(N4Et8)(thf)(4)] ((N4Et8)(4-) = meso-octaethylcalix[4]pyrrolide) in toluene at ambient temperature gave the remarkable heteronuclear mixed-valent samarium(II/III)/ tungsten complex [{(thf)(2)Sm-II(N4Et8)Sm-III(thf)}(2){(mu-OC)(2)W-2(CO)(8)}], which features the trapping of a rare [W-2-(CO)(10)](2-) anion with an unsupported W-W bond.

Journal

Angewandte Chemie International Edition

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Volume

56

ISBN/ISSN

1521-3773

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Issue

29

Pages Count

4

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Publisher

Wiley - VCH Verlag GmbH & Co. KGaA

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Date

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EISSN

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DOI

10.1002/anie.201702636