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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
16
pubmed:dateCreated
2005-7-29
pubmed:abstractText
Syntheses of the first bis-calixarenes systems bridged by a tetrathiafulvalene (TTF) framework 5a,b have been carried out in good yields through triethyl phosphite-mediated dechalcogenation-dimerizations of the corresponding 1,3-dithiole-2-(thi)ones 3 or 4. X-ray structures of the calix[4]arene-TTF-calix[4]arene assembly 5b and of the calix[4]arene-thione intermediate 3b are analyzed and confirm the cone conformations adopted by the calix[4]arene parts, as it is also observed by (1)H NMR analysis of these systems. The solid-state organization in 5b leads to alternate layers of calixarene and TTF units. The cyclic voltammograms of 5a,b show as expected a two-step redox behavior but display a CV deformation for the second redox process.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Aug
pubmed:issn
0022-3263
pubmed:author
pubmed:issnType
Print
pubmed:day
5
pubmed:volume
70
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
6254-7
pubmed:year
2005
pubmed:articleTitle
Bis-calix[4]arenes bridged by an electroactive tetrathiafulvalene unit.
pubmed:affiliation
Laboratoire de Chimie et Ingénierie Moléculaire des Matériaux d'Angers (CIMMA), Groupe Synthèse Organique et Matériaux Fonctionnels (SOMaF), UMR CNRS 6200, Université d'Angers, 2 Bd Lavoisier, F-49045 Angers, France.
pubmed:publicationType
Journal Article