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Calixarenes. 5. Dynamic NMR characteristics of p-tert-butylcalix[4]-arene and p-tert-butylcalix[8]arene

✍ Scribed by C.David Gutsche; Lorenz J. Bauer


Publisher
Elsevier Science
Year
1981
Tongue
French
Weight
217 KB
Volume
22
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


Regioselective synthesis of calixcrowns
✍ Dagmar Kraft; Ralf Arnecke; Volker BΓΆhmer; Walter Vogt πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 French βš– 476 KB

Alkylation of p-rert-butylcalix[5]arene with oligoethylene glycol-ditosylates in the presence of CsF affords the 1,3-bridged calix[S]crowns la-c in 51 to 72% yield. In the case of hexaethylene glycol the isomeric 1,2-bridged calix[5]crown-7 2c was obtained additionally. The calixcrowns were further