Phosphazenes: efficient organocatalysts for the catalytic hydrosilylation of carbon dioxide

Chemical Communications : Chem Comm
Marc-André CourtemancheFrédéric-Georges Fontaine

Abstract

Phosphazene superbases are efficient organocatalysts for the metal-free catalytic hydrosilylation of carbon dioxide. They react with CO2 to form the respective phosphine oxides, but in the presence of hydrosilanes, CO2 can be selectively reduced to silyl formates, which can in turn be reduced to methoxysilanes by addition of an extra loading of silanes. Activities reach a TOF of 32 h(-1) with a TON of 759. It is also shown that unexpectedly, N,N-dimethylformamide can reduce CO2 to a mixture of silyl formates, acetals and methoxides in the absence of any catalyst.

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Citations

Jul 2, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Étienne RochetteFrédéric-Georges Fontaine
Feb 24, 2016·Chemical Communications : Chem Comm·Trevor JanesDatong Song
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Mar 22, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Fang HuangZhi-Xiang Wang
Sep 4, 2018·Chemical Communications : Chem Comm·Huaifeng LiKuo-Wei Huang
Jul 11, 2019·Chemistry : a European Journal·Qiumiao ShenHerbert W Roesky
Apr 24, 2020·Chemical Communications : Chem Comm·Takumi MurataTadashi Ema
Apr 22, 2020·Chemistry : a European Journal·Ria Ayu PramuditaKen Motokura
May 22, 2018·Chemical Science·Yi-Chun LinAlexander T Radosevich
Nov 4, 2020·ChemSusChem·Ria Ayu Pramudita, Ken Motokura
Aug 26, 2020·Chemistry : a European Journal·Thomas R PuleoJeffrey S Bandar
Nov 3, 2020·ChemSusChem·Shaoqu XieHongfei Lin
Jun 8, 2021·Chemical Science·Sreejyothi P, Swadhin K Mandal

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