A ferrocene functionalised macrocyclic receptor for cations and anions
- 30 March 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 9,p. 1428-1431
- https://doi.org/10.1039/b100439p
Abstract
The isolation and characterisation of a new macrocyclic hexaamine trans-6,13-bis(ferrocenylmethylamino)-6,13-dimethyl-1,4,8,11-tetraazacyclotetradecane (L2) bearing two ferrocenyl groups appended to its exocyclic amines is reported. The crystal structures of L2 and its dihydrochloride salt L2·2HCl·2H2O have been determined. In the latter case cation–anion hydrogen bonding is observed in the solid state. Substrate binding by the electroactive L2 in MeCN–CH2Cl2 solution has been examined by cyclic voltammetry and reveals the receptor electrochemically to recognise benzoate and chloride anions. The macrocyclic N-donors may also bind transition metal cations such as CuII and ZnII.Keywords
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