Palladium complexes containing multidentate phenoxy–pyridyl–amidate ligands: Highly efficient catalyst for Heck coupling of deactivated aryl halides
作者:M. Lakshmi Kantam、Manne Annapurna、Pravin R. Likhar、P. Srinivas、Nedaossadat Mirzadeh、Suresh K. Bhargava
DOI:10.1016/j.jorganchem.2012.08.037
日期:2013.1
N,N′,N″,O-Tetrafunctional Pd(II) complexes prepared from the easily available amino acids are shown to be highly efficient catalysts for the Heck reaction of deactivated aryl bromides and iodides with high turnover numbers up to ca.104 and moderate activity for the activation of aryl chlorides under phosphine-free conditions.
Ñ,Ñ ',Ñ “,Ó -Tetrafunctional的Pd(II)配合物从容易获得的氨基酸制备的显示出对于失活的芳基溴化物和碘化物具有高转换数最多的Heck反应的高效催化剂约10 4在无膦条件下具有适度的活化芳基氯的活性。