Two different bridges were introduced at the 1,5:3,7-positions of p-tert-butycalix[8]arene I using a two-step alkylation procedure. A probable cation template effect in the introduction of the second bridge was evidenced. The obtained bis-bridged derivatives 3 possess encapsulating properties toward alkali cations modulated by the length and nature of the bridges.

Synthesis and complexing properties of 1,5:3,7-doubly bridged calix[8]arenes with mixed spanning elements

GAETA, CARMINE;NERI, Placido
2004

Abstract

Two different bridges were introduced at the 1,5:3,7-positions of p-tert-butycalix[8]arene I using a two-step alkylation procedure. A probable cation template effect in the introduction of the second bridge was evidenced. The obtained bis-bridged derivatives 3 possess encapsulating properties toward alkali cations modulated by the length and nature of the bridges.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/1058714
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