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Tebbe Olefination

Lianyungang Klinechem Co.,Ltd | Updated: Dec 18, 2018

Tebbe Olefination

The Tebbe Reagent is a metal carbenoid prepared from the dimetallomethylene species derived by the reaction of trimethyl aluminium with titanocene dichloride; this reagent exhibits carbenoid behaviour after the addition of a catalytic amount of pyridine. The Tebbe Reagent reacts with various carbonyl partners to give the product of methylenation:

Aldehydes to alkenes

Ketones to alkenes

Esters to enol ethers

Amides to enamines


Mechanism of the Tebbe Olefination


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