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  • Title: Lanthanide amides [(Me(3)Si)(2)N](3)Ln(μ-Cl)Li(THF)(3) catalyzed hydrophosphonylation of aryl aldehydes.
    Author: Wu Q, Zhou J, Yao Z, Xu F, Shen Q.
    Journal: J Org Chem; 2010 Nov 05; 75(21):7498-501. PubMed ID: 20925336.
    Abstract:
    A highly efficient method for the synthesis of α-hydroxy phosphonates via lanthanide amides [(Me(3)Si)(2)N](3)Ln(μ-Cl)Li(THF)(3) catalyzed hydrophosphonylation of aromatic aldehydes was developed. The reactions produced the products in excellent yields in the presence of 0.1 mol % [(Me(3)Si)(2)N](3)La(μ-Cl)Li(THF)(3) at room temperature within 5 min. The existence of LiCl in the catalyst was a key factor affecting the catalytic activity. The mechanism for the process of high efficiency was proposed.
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