Synthesis of a new class of unsymmetrical PCP' pincer ligands and their palladium(II) complexes:: X-ray structure determination of PdCl{C6H3-2-CH2PPh2-6-CH2PBut2}

被引：36

作者：

Naghipour, A

Sabounchei, SJ

Morales-Morales, D

Hernández-Ortega, S

Jensen, CM ^{[1
]}

机构：

[1] Univ Hawaii, Dept Chem, Honolulu, HI 96822 USA

[2] Univ Nacl Autonoma Mexico, Inst Quim, Mexico City 04510, DF, Mexico

[3] Bu Ali Sina Univ, Fac Sci, Dept Chem, Hamadan, Iran

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2004年 / 689卷 / 15期

关键词：

PCP pincer ligand; palladium complexes; heck reaction; catalysis;

D O I：

10.1016/j.jorganchem.2004.05.009

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The unsymmetrical PCPt pincer ligands {C6H4-l-CH2PPh2-3-CH2PBu2t} and {C6H4-l-CH2PPh2-3-CH2PPr2i} and the corresponding palladium complexes: PdCl{C6H3-2-CH2PPh2-6-CH2PBu2t} and PdCl{CH3-2-CH2PPh2-6-CHPPr2i} have been synthesized in good yields. The molecular structure of PdCl{C6H3-2-CH2PPh2-6-CH2Bu2t} was determined through a single crystal X-ray diffraction study. The palladium center was found to be located into a slightly distorted square planar environment in which the {C6H4-1-CH2Ph2-3-CH2Bu2t} ligand is coordinated as a tridentate, PCP pincer type chelate. The complex, PdCl{C6H3-2CH(2)PPh(2)-6-CH2PPr2i} catalyzes the Heck coupling of iodobenzene with styrene. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：2494 / 2502

页数：9

共 36 条

[1]

Albrecht M, 2001, ANGEW CHEM INT EDIT, V40, P3750, DOI 10.1002/1521-3773(20011015)40:20<3750::AID-ANIE3750>3.0.CO

[2]

2-6

[3]

DREW D, 1990, INORG SYNTH, V28, P348

[4] Investigations into the Pd-catalysed cross-coupling of phenylacetylene with aryl chlorides:: simple one-pot procedure and the effect of ZnCl2 co-catalysis [J].