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Issue 36, 2018
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[P4H]+[Al(OTeF5)4]: protonation of white phosphorus with the Brønsted superacid H[Al(OTeF5)4](solv)

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Abstract

A sustainable transformation of white phosphorus (P4) into chemicals of higher value is one of the key aspects in modern phosphorus research. Even though the chemistry of P4 has been investigated for many decades, its chemical reactivity towards the simplest electrophile, the proton, is still virtually unknown. Based on quantum-chemical predictions, we report for the first time the successful protonation of P4 by the Brønsted acid H[Al(OTeF5)4](solv). Our spectroscopic results are in agreement with acid-mediated activation of P4 under protonation of an edge of the P4-tetrahedron and formation of a three-center two-electron P–H–P bond. These investigations are of fundamental interest as they permit the activation of P4 with the simplest electrophile as a new prototype reaction for this molecule.

Graphical abstract: [P4H]+[Al(OTeF5)4]−: protonation of white phosphorus with the Brønsted superacid H[Al(OTeF5)4](solv)

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Article information


Submitted
08 Jul 2018
Accepted
10 Aug 2018
First published
23 Aug 2018

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2018,9, 7169-7173
Article type
Edge Article

[P4H]+[Al(OTeF5)4]: protonation of white phosphorus with the Brønsted superacid H[Al(OTeF5)4](solv)

A. Wiesner, S. Steinhauer, H. Beckers, C. Müller and S. Riedel, Chem. Sci., 2018, 9, 7169
DOI: 10.1039/C8SC03023E

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