Reactivity enhancement of a diphosphene by reversible N-heterocyclic carbene coordination

Chemical Science
Debabrata DharaAnukul Jana

Abstract

Diphosphene TerMesP = PTerMes (1; TerMes = 2,6-Mes2C6H3; Mes = 2,4,6-Me3C6H2) and NHCMe42 (NHCMe4 = 1,3,4,5-tetramethylimidazol-2-ylidene) exist in an equilibrium mixture with the NHCMe4 -coordinated diphosphene 3. While uncoordinated 1 is inert to hydrolysis, the NHC adduct 3 readily undergoes hydrolysis to afford a phosphino-substituted phosphine oxide with the liberation of NHCMe4 . On this basis, conditions suitable for the catalytic use of NHCMe4 were identified. Similarly, while the hydrogenation of free diphosphene 1 with H3N·BH3 is very slow, 3 reacts instantaneously with H3N·BH3 at room temperature to afford a dihydrodiphosphane.

References

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Citations

Nov 18, 2018·Angewandte Chemie·Liu Leo LiuDouglas W Stephan
Apr 25, 2019·Chemistry : a European Journal·Mahendra K SharmaRajendra S Ghadwal
Jan 9, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Debabrata DharaAnukul Jana
May 26, 2020·Angewandte Chemie·Samuel GramsSjoerd Harder
Nov 21, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Mario Cicač-HudiDietrich Gudat
Dec 29, 2020·Chemical Communications : Chem Comm·Debabrata DharaAnukul Jana
Jun 5, 2018·Journal of the American Chemical Society·Liu Leo LiuDouglas W Stephan
Aug 31, 2021·Chemistry : a European Journal·Zeyu Han, Derek P Gates
Oct 7, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Jan-Erik SiewertChristian Hering-Junghans
Dec 22, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Mario Cicač-HudiDietrich Gudat

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Methods Mentioned

BETA
X-ray
NMR

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