Palladacyclic complexes bearing CNN-type ligands as catalysts in the Heck reaction
作者:Chi-Tien Chen、Yi-Sen Chan、Yi-Ren Tzeng、Ming-Tsz Chen
DOI:10.1039/b404798b
日期:——
Pd(OAc)2 or Pd(TFA)2 affords orthometallated palladium(II) complexes, [PhNC(CMe2)(N-η1-Ph)CNCH2Py]PdX (X = Cl (5); X = OAc (6); X = TFA (7)), respectively. The crystal and molecular structures are reported for compounds 2, 3, 5 and 6. The application of these novel palladacyclic complexes to the Heck reaction with aryl halide substrates was examined.
新型不对称三齿的制备 氮 配体描述了前体PhN C(CMe 2)(NPh)C N(CH 2)2 NMe 2 (1)和PhN C(CMe 2)(NPh)C N(CH 2)Py(2)。用1摩尔当量处理1。(COD)PdCl 2在NEt 3存在下或当量为1摩尔当量。加入Pd(OAc)2次,得到orthometallated钯(II)配合物,[PHN C(CME 2)(N-η 1 -Ph)C N(CH 2)2 NME 2 ] PDX(X = Cl(上3); X = OAc(4))。化合物3可以通过4与过量LiCl的反应制得甲醇。用1摩尔当量处理2。(COD)的PdCl的2,将Pd(OAc)2或Pd(TFA)2所得到orthometallated钯(II)配合物,[PHN C(CME 2)(N-η 1 -Ph)C NCH 2 PY] PDX(X = Cl(5); X = OAc(6); X = TF