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Titanium methyl tamed on silica: synthesis of a well-defined pre-catalyst for hydrogenolysis of n-alkane

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Abstract

Alkylation of Ti(CH3)2Cl2 1 by MeLi gives the homoleptic Ti(CH3)4 2 for the first time in the absence of any coordinating solvent. The reaction of 2 with silica pretreated at 700 °C (SiO2–700) gives two inequivalent silica-supported Ti-methyl species 3. Complex 3 was characterized by IR, microanalysis (ICP-OES, CHNS, and gas quantification), and advanced solid-state NMR spectroscopy (1H, 13C, DQ, TQ, and HETCOR). The catalytic activity of the pre-catalyst 3 is investigated in low-temperature hydrogenolysis of propane and n-butane with TONs of 419 and 578, respectively.

Graphical abstract: Titanium methyl tamed on silica: synthesis of a well-defined pre-catalyst for hydrogenolysis of n-alkane

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Article information


Submitted
27 Aug 2020
Accepted
05 Oct 2020
First published
05 Oct 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Titanium methyl tamed on silica: synthesis of a well-defined pre-catalyst for hydrogenolysis of n-alkane

A. Saidi, W. Al Maksoud, M. K. Samantaray, E. Abou-Hamad and J. Basset, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC05816E

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