Highly Efficient and Convenient Access to Phosphinates via CHCl3‐Assisted Direct Phosphorylation between R2P(O)H and ROH by Phosphonium Salt Catalysis

A mild, efficient, convenient and scalable method to synthesize phosphinates via direct phosphorylation between R2P(O)H and ROH was developed. All aromatic substrates completed this transformation with excellent yields (up to 98 %), and preliminary mechanistic studies suggest that a carbene-involving process from CHCl3 to CH2Cl2 facilitates the phosphorylation.