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Sunday, September 12, 2021

09-11-2021-2117 - Tris(dimethylamino)phosphine

Tris(dimethylamino)phosphine is the organophosphorus compound with the formula P(NMe2)3 (Me = methyl). It is a colorless oil that is one of the most common aminophosphines. Its structure has been determined by X-ray crystallography.[1]

It is basic, reacting with oxygen and sulfur to give the hexamethylphosphoramide(OP(NMe2)3) and the phosphine sulfide SP(NMe2)3. It is also a ligand, forming complexes with a variety of metal centers.[2] Its steric and electronic properties are similar to those of triisopropylphosphine.[3]

Being highly basic, tris(dimethylamino)phosphine is effective as desulfurization agent, e.g. the conversion of dibenzyldisulfide into the dibenzyl sulfide:[4]

RSSR + P(NMe2)3 → S=P(NMe2)3 + RSR

 P(NMe2)3 improved (svg).svg

https://en.wikipedia.org/wiki/Tris(dimethylamino)phosphine


Category:Phosphines

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Phosphines or phosphanes are phosphorus compounds derived from phosphine and have the general structure R3P. For the nitrogen analogues, please see Category:Inorganic amines.

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