Synthesis and structural characterization of two bis-imidazolium-linked cyclophanes: precursors toward ‘carbeneporphyrinoid’ ligands

✍ Scribed by Richard S. Simons; Jered C. Garrison; William G. Kofron; Claire A. Tessier; Wiley J. Youngs

• Publisher: Elsevier Science
• Year: 2002
• Tongue: French
• Weight: 152 KB
• Volume: 43
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(02)00557-9

✦ Synopsis

The synthesis and spectroscopic characterization of the imidazolium-linked cyclophanes [1][PF 6 ] 2 and [2][PF 6 ] 2 are described. Cyclophane [1][PF 6 ] 2 contains two imidazolium rings bridged by a 2,6-bis(methyl)-pyridine unit and a 2,5-bis(methyl)pyrrole unit. Cyclophane [2][PF 6 ] 2 contains two imidazolium rings bridged by two 2,5-bis(methyl)-pyrrole units. Cyclophanes [1][PF 6 ] 2 and [2][PF 6 ] 2 have been structurally characterized by X-ray crystallography.