53181-23-0Relevant academic research and scientific papers
A tribenzo modified 1,3-calix[4]-bis-crown-6: A highly selective receptor for cesium
Asfari, Zouhair,Lamare, Veronique,Dozol, Jean-Francois,Vicens, Jacques
, p. 691 - 694 (1999)
It is reported the synthesis of calix[4]-bis-(tribenzo)crown-6 1 consisting of a calix[4]arene fixed in the 1,3-alternate conformation by the 1,3- and 2,4-bridges made of two modified polyether chains in which the three central ethylene links have been re
Macroring-Neutral Molecule Complexation. Synthesis of Biconcave Pyridino Hosts, Complex Formation, and X-ray Crystal Structures of Two Inclusion Compounds
Weber, Edwin,Koehler, Hans-Juergen,Reuter, Hans
, p. 1236 - 1242 (2007/10/02)
A series of pyridino macrocycles 1-3(a-e) incorporating rigid bi- and triaryl ether segments in different ring positions have been synthesized.The effect of incorporation of these building blocks into a given macroring framework on the host properties for
Multiple Benzo-fused Crown Ethers - Synthesis, Ion Selectivities in Membrane Electrodes and Inclusion of Water
Weber, Edwin
, p. 4439 - 4452 (2007/10/02)
New oligo-benzo-condensed crown-6 ligands 4, 6 - 9 having a different gradation of lipophilicity and of molecular rigidity are synthesized.For the known ligands 3 and 5 of similar constitution improved methods of preparation are described.The carrier efficiencies and ion selectivities of the various ligands for alkali and alkaline earth metal ions in liquid membrane electrodes of different composition are determined and discussed on the basis of the potentiometric selectivity factors lgKPotMgM.The possible behaviour of the new macrocycles in molecular inclusion is studied.A stable crystal lattice inclusion compound of 4 with water of composition 4*1/2 H2O is obtained.
