2,2,6,6-Tetramethylpiperidine 1-oxyl is a remarkably stable nitroxyl radical, commonly also known as TEMPO. This red-orange solid was first reported in 1960 by Lebedev and Kazarnovskii,1 and is typically synthesized by the oxidation of 2,2,6,6-tetramethylpiperidine. The stability of the radical has been proposed to be due to the steric influence of the methyl groups which flank the nitroxyl group.TEMPO is frequently used as a catalyst in organic synthesis and for the oxidation of primary alcohols to aldehydes.
Laboratory reagents and chemicals
|Appearance||Orange to Dark Orange and Red to Dark Red powder and chunks|
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