Development of supramolecular structure through alkylation of pendant pyridyl functionality
Autor: | Yves C. Zimmermann, David Phillips, Emma Sparr, Edwin C. Constable, Derek A. Tocher, Margareta Zehnder, Catherine E. Housecroft, Markus Neuburger, Paul R. Raithby, Emma R. Schofield |
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Rok vydání: | 2000 |
Předmět: | |
Zdroj: | Journal of the Chemical Society, Dalton Transactions. :2219-2228 |
ISSN: | 1364-5447 1470-479X |
DOI: | 10.1039/b000940g |
Popis: | The complex 12+ which has two pendant 4-pyridyl substituents may be viewed as a metal-containing analogue of 4,4′-bipyridine. The complex undergoes N-alkylation reactions with a variety of alkylating agents to give more highly functionalised tetracationic complexes which may be termed metalloviologens by analogy with viologens. These complexes may also be prepared by alkylation of the free ligands and subsequent coordination of the pendant quaternised ligand. Structural studies have established that the N-alkylated complexes possess the correct spatial characteristics for the preparation of metallocycles analogous to known cyclic bis(4,4′-bipyridinium) species which possess useful molecular recognition properties. |
Databáze: | OpenAIRE |
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