Preparation of monopodal and bipodal aluminum surface species by selective protonolysis of highly reactive [AlH3(NMe2Et)] on silica

D. W. Sauter; V. Chiari; N. Aykac; S. Bouaouli; L. Perrin; L. Delevoye; R. M. Gauvin; K. C. Szeto; C. Boisson; M. Taoufik

doi:10.1039/C7DT02575K

Preparation of monopodal and bipodal aluminum surface species by selective protonolysis of highly reactive [AlH₃(NMe₂Et)] on silica†

D. W. Sauter,^a V. Chiari,^a N. Aykac,^b S. Bouaouli,^b L. Perrin,*^b L. Delevoye,^c R. M. Gauvin,

^c K. C. Szeto,^a C. Boisson

*^a and M. Taoufik*^a

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* Corresponding authors

^a Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
E-mail: mostafa.taoufik@univ-lyon1.fr, Christophe.boisson@univ-lyon1.fr

^b Université Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, 43 Boulevard du 11 Novembre 1918, Villeurbanne, France

^c Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide, F-59000 Lille, France

Abstract

The synthesis and characterization of silica-grafted monopodal and bipodal aluminum hydrides has been achieved starting from 200 °C- and 700 °C-annealed silica and [AlH₃(NMe₂Et)]. The mechanism by which aluminum trishydride reacts with isolated and vicinal silanols, assisted by the amine, has been investigated computationally at the ωB97XD-DFT level.

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Preparation of monopodal and bipodal aluminum surface species by selective protonolysis of highly reactive [AlH₃(NMe₂Et)] on silica†

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Preparation of monopodal and bipodal aluminum surface species by selective protonolysis of highly reactive [AlH₃(NMe₂Et)] on silica

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