Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes

Research output: Contribution to conferencePosterResearchpeer-review

Abstract

The amount of publications containing silylboranes is quite small, although first substances containing silicon boron bonds were reported in the 1960s. In the last decade, the interest in silylated boron compounds increased due to the various catalytic possibilities in metalorganic chemistry.
Phosphacyclopentasilanes are, as well as the boron alternatives, still sparsely examined in metalorganic chemistry. In 1965 ring opening reactions of octaphenylcyclotetrasilanes via reaction of the dilithiumsalt Li(SiPh2)4Li with dichlorophanylphoshane led to novel nonaphenylphosphacyclosilane.
In 2004 a reaction pathway for the reaction of tris(trimethylsilyl)silyl potassium with piperidinodichloroboranes and dichlorophaophanes was successful in the formation of bora- and phosphacyclopentasilanes.
Our research group is especially interested in the reactivity of the cyclic silylated phosphorus compounds, which could lead to a novel way of stabilizing heavy metal systems such as diphosphatetrylenes.
Double silylated boron compounds might be promising intermediates in the synthesis of trisilylated boron compounds, which are still quite unexplored in organosilicon chemistry. DFT calculations were used to predict stabilities and spectroscopic properties of intermediates and potential products.
Translated title of the contributionOffenkettige und zyklishe doppelt silyl substituierte Phosphor und Bor Verbindindungen : Suche nach Trisilylboranen
Original languageEnglish
Publication statusPublished - 3 Jul 2017
EventPBSi International Conference on Phosphorus, Boron and Silicon : International Conference on Phosphorus, Boron and Silicon - Paris, Paris, France
Duration: 3 Jul 20175 Jul 2017
https://premc.org/conferences/pbsi2017/

Conference

ConferencePBSi International Conference on Phosphorus, Boron and Silicon
Abbreviated titlePBSi
CountryFrance
CityParis
Period3/07/175/07/17
Internet address

Cite this

Schwarz, E., Flock, M., & Torvisco Gomez, A. (2017). Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes. Poster session presented at PBSi International Conference on Phosphorus, Boron and Silicon , Paris, France.

Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes. / Schwarz, Elisabeth; Flock, Michaela; Torvisco Gomez, Ana.

2017. Poster session presented at PBSi International Conference on Phosphorus, Boron and Silicon , Paris, France.

Research output: Contribution to conferencePosterResearchpeer-review

Schwarz, E, Flock, M & Torvisco Gomez, A 2017, 'Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes' PBSi International Conference on Phosphorus, Boron and Silicon , Paris, France, 3/07/17 - 5/07/17, .
Schwarz E, Flock M, Torvisco Gomez A. Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes. 2017. Poster session presented at PBSi International Conference on Phosphorus, Boron and Silicon , Paris, France.
Schwarz, Elisabeth ; Flock, Michaela ; Torvisco Gomez, Ana. / Open and cyclic double silylated phosphorus and boron compounds - chasing trisilylboranes. Poster session presented at PBSi International Conference on Phosphorus, Boron and Silicon , Paris, France.
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N2 - The amount of publications containing silylboranes is quite small, although first substances containing silicon boron bonds were reported in the 1960s. In the last decade, the interest in silylated boron compounds increased due to the various catalytic possibilities in metalorganic chemistry.Phosphacyclopentasilanes are, as well as the boron alternatives, still sparsely examined in metalorganic chemistry. In 1965 ring opening reactions of octaphenylcyclotetrasilanes via reaction of the dilithiumsalt Li(SiPh2)4Li with dichlorophanylphoshane led to novel nonaphenylphosphacyclosilane. In 2004 a reaction pathway for the reaction of tris(trimethylsilyl)silyl potassium with piperidinodichloroboranes and dichlorophaophanes was successful in the formation of bora- and phosphacyclopentasilanes. Our research group is especially interested in the reactivity of the cyclic silylated phosphorus compounds, which could lead to a novel way of stabilizing heavy metal systems such as diphosphatetrylenes. Double silylated boron compounds might be promising intermediates in the synthesis of trisilylated boron compounds, which are still quite unexplored in organosilicon chemistry. DFT calculations were used to predict stabilities and spectroscopic properties of intermediates and potential products.

AB - The amount of publications containing silylboranes is quite small, although first substances containing silicon boron bonds were reported in the 1960s. In the last decade, the interest in silylated boron compounds increased due to the various catalytic possibilities in metalorganic chemistry.Phosphacyclopentasilanes are, as well as the boron alternatives, still sparsely examined in metalorganic chemistry. In 1965 ring opening reactions of octaphenylcyclotetrasilanes via reaction of the dilithiumsalt Li(SiPh2)4Li with dichlorophanylphoshane led to novel nonaphenylphosphacyclosilane. In 2004 a reaction pathway for the reaction of tris(trimethylsilyl)silyl potassium with piperidinodichloroboranes and dichlorophaophanes was successful in the formation of bora- and phosphacyclopentasilanes. Our research group is especially interested in the reactivity of the cyclic silylated phosphorus compounds, which could lead to a novel way of stabilizing heavy metal systems such as diphosphatetrylenes. Double silylated boron compounds might be promising intermediates in the synthesis of trisilylated boron compounds, which are still quite unexplored in organosilicon chemistry. DFT calculations were used to predict stabilities and spectroscopic properties of intermediates and potential products.

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