Phosphonium

In chemistry, the phosphonium cation is a positively charged polyatomic ion with the chemical formula PH4+, resulting from protonation of phosphine. It has a molecular mass of 35.01 amu.

Related Topics:
Cation - Protonation - Phosphine - Amu

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Salts containing four alkyl or aryl groups attached to a positive phosphorus are referred to as phosphonium salts. Alkyltriphenylphosphonium salts are widely used for the preparation of Wittig reagents for the Wittig reaction.

Related Topics:
Alkyl - Aryl - Phosphonium salt - Wittig reagents - Wittig reaction

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