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Publication

Alkene hydrosilylation catalyzed by easily assembled Ni(II)-carboxylate MOFs

Xile Hu, Lichen Bai, Zhikun Zhang
2019
Journal Articles

Abstract

We report the first Ni MOF catalysts for anti-Markovnikov hydrosilylation of alkenes. These catalysts are bench-stable and easily-assembled from simple Ni salts and carboxylic acids. The best catalyst gives turnover numbers up to 9500 and is robust even after 10 recycling runs. The catalyst can be applied for the hydrosilylation of a wide range of alkenes, achieving good synthetic utility and functional group tolerance.

Official source

https://infoscience.epfl.ch/entities/publication/60dbfb7c-22cc-4863-a9bf-4f2c6ae45cea

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Xile Hu, Lichen Bai, Zhikun Zhang
2019
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/60dbfb7c-22cc-4863-a9bf-4f2c6ae45cea

About this result

Related concepts (15)

Hydrosilylation

Hydrosilylation, also called catalytic hydrosilation, describes the addition of Si-H bonds across unsaturated bonds. Ordinarily the reaction is conducted catalytically and usually the substrates are unsaturated organic compounds. Alkenes and alkynes give alkyl and vinyl silanes; aldehydes and ketones give silyl ethers. Hydrosilylation has been called the "most important application of platinum in homogeneous catalysis." Hydrosilylation of alkenes represents a commercially important method for preparing organosilicon compounds.

Wilkinson's catalyst

Wilkinson's catalyst is the common name for chloridotris(triphenylphosphine)rhodium(I), a coordination complex of rhodium with the formula [RhCl(PPh3)3], where 'Ph' denotes a phenyl group). It is a red-brown colored solid that is soluble in hydrocarbon solvents such as benzene, and more so in tetrahydrofuran or chlorinated solvents such as dichloromethane. The compound is widely used as a catalyst for hydrogenation of alkenes. It is named after chemist and Nobel laureate Sir Geoffrey Wilkinson, who first popularized its use.

Metal–organic framework

Metal–organic frameworks (MOFs) are a class of compounds consisting of metal clusters (also known as SBUs) coordinated to organic ligands to form one-, two-, or three-dimensional structures. The organic ligands included are sometimes referred to as "struts" or "linkers", one example being 1,4-benzenedicarboxylic acid (BDC). More formally, a metal–organic framework is an organic-inorganic porous extended structure. An extended structure is a structure whose sub-units occur in a constant ratio and are arranged in a repeating pattern.

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Alkene hydrosilylation catalyzed by easily assembled Ni(II)-carboxylate MOFs

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