Tetrahedron Letters p. 8747 - 8750 (1996)
Update date:2022-07-29
Topics:
Pulpoka, Buncha
Asfari, Zouhair
Vicens, Jacques
Cylindrical calix[4]-bis-cryptand, calix[4]arene incorporating one diaza-tetraoxa-macrocyclic [18]-N2O4 subunit on each side of 1,3-alternate calix[4]arene framework, has been synthesized. The complexations of some alkali and ammonium cations by this macropentacycle have been studied by means of proton nuclear magnetic resonance spectroscopy.
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