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Novel chromogenic pyridinium derivatives of calix[4]arenes,II

✍ Scribed by István Bitter; Alajos Grün; László Tőke; Gábor Tóth; Barbara Balázs; Ildikó Mohammed-Ziegler; András Grofcsik; Miklós Kubinyi

Book ID
108378809
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
504 KB
Volume
53
Category
Article
ISSN
0040-4020

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Synthesis of novel chromogenic bi- and tri-functionalized calix[4]arenes
✍ Hatem Halouani; Isabelle Dumazet-Bonnamour; Roger Lamartine 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 75 KB

Novel azo-calix[4] arenes have been prepared by the incorporation of both ester and amide groups. Six bis(phenylazo)-O-substituted calix[4]arene derivatives were isolated and fully characterized. NMR analyses show that these compounds are in cone conformation in solution at room temperature.