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Regioselective Synthesis and Characterization of Multinuclear Convex‐Bound Ruthenium‐[ n ]Cycloparaphenylene ( n =5 and 6) Complexes
Author(s) -
Kayahara Eiichi,
Patel Vijay Kumar,
Mercier Audrey,
Kündig E. Peter,
Yamago Shigeru
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201508003
Subject(s) - ruthenium , cationic polymerization , regioselectivity , chemistry , ligand (biochemistry) , tris , characterization (materials science) , polymer chemistry , medicinal chemistry , stereochemistry , catalysis , materials science , organic chemistry , nanotechnology , receptor , biochemistry
Mono‐ and multinuclear complexes of ruthenium and [ n ]cycloparaphenylene (CPP, n =5 and 6) were synthesized in excellent yields through ligand exchange of the cationic complex [(Cp)Ru(CH 3 CN) 3 ](PF 6 ) with CPP. In the multinuclear complexes, ruthenium selectively coordinated to alternate paraphenylene units to give bis‐ and tris‐coordinated Ru complexes for [5] and [6]CPPs, respectively. Single‐crystal X‐ray analysis revealed the Ru was coordinated with η 6 ‐hapticity on the convex surface of CPP.