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

Gregoli, L.; Russo, L.; Stefio, I.; Gaeta, Carmine; Arnaud Neu, F.; Hubscher Bruder, V.; Khazaeli Parsa, P.; Geraci, C.; Neri, Placido

doi:10.1016/j.tetlet.2004.06.094

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.

Titolo:	Synthesis and complexing properties of 1,5:3,7-doubly bridged calix[8]arenes with mixed spanning elements
Autori:	L. GREGOLI L. RUSSO I. STEFIO GAETA, Carmine F. ARNAUD NEU V. HUBSCHER BRUDER P. KHAZAELI PARSA C. GERACI NERI, Placido mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2004
Rivista:	TETRAHEDRON LETTERS
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.
Handle:	http://hdl.handle.net/11386/1058714
Appare nelle tipologie:	1.1.2 Articolo su rivista con ISSN

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