TY - JOUR AU - Schultz, David AU - Biaso, Frédéric AU - Rehaman Moughal Shahi, Abdul AU - Geoffroy, Michel AU - Rissanen, Kari AU - Gagliardi, Laura AU - Cramer, Christopher J. AU - Nitschke, Jonathan R. TI - Helicate Extension as a Route to Molecular Wires PY - 2008 JF - Chemistry - A European Journal JA - Chem. - Eur. J. SN - 0947-6539 VL - 14 IS - 24 SP - 7180 EP - 7185 L1 - http://www3.interscience.wiley.com/cgi-bin/fulltext/120735512/PDFSTART L2 - http://www3.interscience.wiley.com/cgi-bin/fulltext/120735512/HTMLSTART L3 - http://www3.interscience.wiley.com/journal/120735512/abstract L4 - http://www.unige.ch/sciences/chifi/publis/pics/double/ref00936.png M3 - 10.1002/chem.200800503 UR - http://dx.doi.org/10.1002/chem.200800503 N2 - We describe the preparation of a helicate containing four closely spaced, linearly arrayed copper(I) ions. This product may be prepared either directly by mixing copper(I) with a set of precursor amine and aldehyde subcomponents, or indirectly through the dimerization of a dicopper(I) helicate upon addition of 1,2-phenylenediamine. A notable feature of this helicate is that its length is not limited by the lengths of its precursor subcomponents: each of the two ligands wrapped around the four copper(I) centers contains one diamine, two dialdehyde, and two monoamine residues. This work thus paves the way for the preparation of longer oligo- and polymeric structures. DFT calculations and electrochemical measurements indicate a high degree of electronic delocalization among the metal ions forming the cores of the structures described herein, which may therefore be described as "molecular wires". ID - 936 ER -