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Open AccessCommunication

Synthesis of a 1-Aryl-2,2-chlorosilyl(phospha)silene Coordinated by an N-Heterocyclic Carbene

Institute for Chemical Research, Kyoto University, Gokasho, Uji, 611-0011 Kyoto, Japan
Institut für Anorganische Chemie der Rheinischen Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany
Fukui Institute for Fundamental Chemistry, Kyoto University, 606-8103 Kyoto, Japan
Authors to whom correspondence should be addressed.
Dedicated to Emeritus Professor Takayuki Kawashima on the occasion of his 70th birthday.
Academic Editor: Mitsuo Kira
Molecules 2016, 21(10), 1309;
Received: 30 August 2016 / Revised: 22 September 2016 / Accepted: 24 September 2016 / Published: 30 September 2016
(This article belongs to the Special Issue Advances in Silicon Chemistry)
Phosphasilenes, P=Si doubly bonded compounds, have received considerable attention due to their unique physical and chemical properties. We report on the synthesis and structure of a chlorophosphasilene coordinated by an N-heterocyclic carbene (NHC), which has the potential of functionalization at the Si–Cl moiety. Treatment of a silylphosphine, ArPH–SiCl2RSi (Ar = bulky aryl group, RSi = Si(SiMe3)3) with two equivalents of Im-Me4 (1,3,4,5-tetramethylimidazol-2-ylidene) afforded the corresponding NHC-coordinated phosphasilene, ArP=SiClRSi(Im-Me4) as a stable compound. Bonding properties of the P=Si bond coordinated to an NHC will be discussed on the basis of theoretical calculations. View Full-Text
Keywords: main group elements; phosphasilene; N-heterocyclic carbene main group elements; phosphasilene; N-heterocyclic carbene
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MDPI and ACS Style

Kyri, A.W.; Majhi, P.K.; Sasamori, T.; Agou, T.; Nesterov, V.; Guo, J.-D.; Nagase, S.; Tokitoh, N.; Streubel, R. Synthesis of a 1-Aryl-2,2-chlorosilyl(phospha)silene Coordinated by an N-Heterocyclic Carbene. Molecules 2016, 21, 1309.

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