A structure–activity relationship for pincer palladium(II) complexes—influence of ring-size of metallacycles on the activity in allylic alkylation
作者:Zhaohui Wang、Michael R Eberhard、Craig M Jensen、Shiro Matsukawa、Yohsuke Yamamoto
DOI:10.1016/s0022-328x(03)00604-1
日期:2003.9
A series of new palladium(II) complexes derived from the well-known pincer complex [PdCl(C6H3)(OPiPr2)2-2,6}] were synthesised: [PdX(C6H3)(OPiPr2)2-2,6}] (X=Br−, I−, OAc−, OTf−). A novel PCP′ pincer ligand 1-(iPr2PO)-3-(iPr2POCH2)(C6H4) was prepared and complexed to palladium(II) to give [PdX(C6H3)(OPiPr2)-2-(CH2OPiPr2)-6}] (X=Cl−, I−, OAc−, OTf−, BF4−). The X-ray structure of [PdCl(C6H3)(OPiP
合成了一系列由著名的钳形配合物[PdCl (C 6 H 3)(OP i Pr 2)2 -2,6}]衍生的新钯(II)配合物:[PdX (C 6 H 3)(OP我镨2)2 -2,6}](X = Br的- ,我-,OAC - ,光学传递函数- )。制备了一种新型的PCP'钳位配体1-(i Pr 2 PO)-3-(i Pr 2 POCH 2)(C 6 H 4),并与钯(II)络合得到[PdX (C6 ħ 3)(OP我镨2)-2-(CH 2 OP我镨2)-6}](X =氯- ,我-,OAC - ,光学传递函数-,BF 4 - )。[PdCl (C 6 H 3)(OP i Pr 2)-2-(CH 2 OP i Pr 2)的X射线结构)-6}]已解决并进行了讨论。将这些络合物用于乙酸肉桂酯与丙二酸二甲酯钠的催化反应,以评估配体结构和配位或非配位阴离子对区域选择性的影响。详细的分析表明,与对称P