Synthesis and Characterization of Silylated Phosphonium [P(OSiMe3)4]+ and Phosphate [O2P(OSiMe3)2]- Salts
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Synthesis and Characterization of Amphiphilic Gold Nanoparticles
Published on: July 2, 2019
Paul Felgenhauer1, René Labbow2, Axel Schulz2,3
1Institut für Chemie , Carl von Ossietzky Universität Oldenburg , Carl-von-Ossietzky-Straße 9-11 , 26129 Oldenburg , Germany.
Abstract:
Starting from an optimized synthesis of silylated phosphoric acid, OP(OSiMe3)3, a borate salt bearing the [P(OSiMe3)4]+ cation was generated in the reaction of OP(OSiMe3)3 with [Me3Si-H-SiMe3][B(C6F5)4], isolated, and fully characterized. Analogously to the protonated species, phosphoric acid (H3PO4) reaction of OP(OSiMe3)3 with a base led to the formation of the unknown [O2P(OSiMe3)2]- anion, which could be crystallized as potassium salt and structurally characterized, too. Both [P(OSiMe3)4]+ and [O2P(OSiMe3)2]- can be regarded as the formal autoprotolysis products of OP(OSiMe3)3.
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