The difference regarding the reactivity of the silanides Na[SitBu3] and Na[SiPhtBu2] towards white phosphorus
The difference regarding the reactivity of the silanides Na[SitBu3] and Na[SiPhtBu2] towards white phosphorus
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Date
2011
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Breitung, Sven
Sänger, Inge
Schödel, Frauke
Bolte, Michael
Lerner, Hans-Wolfram
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Inorganica Chimica Acta ; 378 (2011), 1. - pp. 1-9. - ISSN 0020-1693. - eISSN 1873-3255
Abstract
The sodium tetraphosphenediides Na2[tBu2RSiP–P=P–PSiRtBu2] (R = tBu, Ph) were formed when P4 was treated with two equivalents of the silanides Na[SiRtBu2] in thf. Whereas treatment of P4 with three equivalents of Na[SiPhtBu2] in thf gave the tetraphosphide Na3[P(PSiPhtBu2)3] as main product (along with, e.g., Na2[PSiPhtBu2], Na2[tBu2PhSiP–P=P–PSiPhtBu2], and Na2[P5(SiPhtBu2)3]). However, no tetraphosphide Na3[P(PSitBu3)3] was formed by the reaction of P4 with three equivalents of Na[SitBu3] in thf. The triphosphide Na[tBu2PhSiP–P=PSiPhtBu2] could be obtained together with Na[PHSiPhtBu2] by protolysis of Na3[P(PSiPhtBu2)3]. When a mixture of a 3:1 reaction of Na[SiPhtBu2] and P4 was heated to 100 °C in vacuo, {Na[P(SiPhtBu2)2]}2 was generated along with Na2[PSiPhtBu2] and P4. Single crystals of Na[P(SiPhtBu2)2] were grown from a heptane solution at room temperature (monoclinic space group C2/c).
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540 Chemistry
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White phosphorus; Silanides; X-ray structure analysis
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LORBACH, Andreas, Sven BREITUNG, Inge SÄNGER, Frauke SCHÖDEL, Michael BOLTE, Matthias WAGNER, Hans-Wolfram LERNER, 2011. The difference regarding the reactivity of the silanides Na[SitBu3] and Na[SiPhtBu2] towards white phosphorus. In: Inorganica Chimica Acta. 378(1), pp. 1-9. ISSN 0020-1693. eISSN 1873-3255. Available under: doi: 10.1016/j.ica.2011.07.050BibTex
@article{Lorbach2011-11diffe-39281, year={2011}, doi={10.1016/j.ica.2011.07.050}, title={The difference regarding the reactivity of the silanides Na[SitBu<sub>3</sub>] and Na[SiPhtBu<sub>2</sub>] towards white phosphorus}, number={1}, volume={378}, issn={0020-1693}, journal={Inorganica Chimica Acta}, pages={1--9}, author={Lorbach, Andreas and Breitung, Sven and Sänger, Inge and Schödel, Frauke and Bolte, Michael and Wagner, Matthias and Lerner, Hans-Wolfram} }
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