Benzene benzimidazole containing Pd(II) metallacycle: Synthesis, X-ray crystallographic characterization and its use as an efficient Suzuki coupling catalyst

✍ Scribed by Sachindranath Pal; Wen-Shu Hwang; Ivan J.B. Lin; Chen-Shiang Lee

• Book ID: 103834675
• Publisher: Elsevier Science
• Year: 2007
• Tongue: English
• Weight: 573 KB
• Volume: 269
• Category: Article
• ISSN: 1381-1169
• DOI: 10.1016/j.molcata.2007.01.028

✦ Synopsis

A first example of a highly stable benzimidazole N-donor dinuclear palladacycle complex is reported. X-ray diffraction analysis showed that two ligands assembled through complexation to two palladium(II) ions to give a compressed rectangular shaped metallamacrocycle. This complex catalyzed Suzuki coupling reaction effectively in MeOH at room temperature. Hg(0) poisoning test supports the formation of L-Pd(0) species in the catalytic reaction.