A ferrocenyl-bridged intramolecularly coordinated bis(diorganostannylene): Synthesis, molecular structure and reactivity of [4-t-Bu-2,6-{P(O)(O-i-Pr)(2)C6H2Sn}C5H4](2)Fe

Henn, M;Schurmann, M;Mahieu, Bernard;Zanello, P;Jurkschat, K.;et.al.
(2006) 11th International Conference on Coordination and Organometallic Chemistry of Germanium, Tin and Lead (ICCOC-GTL 11) — Location: Santa Fe(Nm) (27.June.2004)

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Authors
  • Henn, M
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  • Schurmann, M
    Author
  • Mahieu, BernardUCLouvain
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  • Zanello, P
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  • Jurkschat, K.
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Abstract
The intramolecularly coordinated heteroleptic stannylene (4-t-Bu-2,6-(P(0)(O-i-Pr)(2))(2)C6H2SnCl serves as synthon for the synthesis of the ferrocenyl-bridged bis(diorganostannylene) [4-t-Bu-2,6-(P(O)(O-i-Pr)(2))(2)C6H2SnC5H4](2)Fe (1) which in turn reacts with W(CO)6 and Cr(CO)(4)(C7H8) to provide the corresponding transition metal complexes (4-t-Bu-2,6-(P(O)(O-i-Pr)(2))(2)C6H2Sn(W(CO)(5))C5H4](2)Fe (2) and [4-t-Bu-2.6-(P(O)(O-i-Pr)(2))(2)C6H2SnC5H4](2)Fe (.) Cr(CO)(4) (3). respectively. Reaction of compound I with sulphur and atmospheric moisture gave, under partial tin-carbon and oxygen-carbon bond cleavage, a tetranuclear organotin-oxothio cluster 5. All compounds were characterized by H-1, C-13 P-31, and Sn-119 NMR, and IR spectroscopy, its well as by single-crystal X-ray diffraction analysis. Compounds 1 and 3 were also investigated by Mossbauer spectroscopy. Cyclovoltametric studies reveal the influence of the organostannyl moieties on the redox-behaviour of compounds 1-3 in comparison with unsubstituted ferrocene. (c) 2005 Elsevier B.V. All rights reserved.
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Henn, M., Schurmann, M., Mahieu, B., Zanello, P., Cinquantini, A., & Jurkschat, K. (2006). A ferrocenyl-bridged intramolecularly coordinated bis(diorganostannylene): Synthesis, molecular structure and reactivity of [4-t-Bu-2,6-{P(O)(O-i-Pr)(2)C6H2Sn}C5H4](2)Fe. Journal of Organometallic Chemistry, 691(8), 1560-1572. https://doi.org/10.1016/j.jorganchem.2005.12.026 (Original work published 2006)