New Polydentate building blocks
- 1 July 1995
- journal article
- research article
- Published by Taylor & Francis in Supramolecular Chemistry
- Vol. 5 (3) , 211-218
- https://doi.org/10.1080/10610279508028949
Abstract
Two new ligands, 6,6′-bis[10(4-tosyl)-1,7-dioxa-4,10-diazacyclododecane]methyl-2,2′-bipyridine (BTAMB) and 2,9-bis[10-(4-tosyl)-1,7-dioxa-4,10-diazacyclododecane]methyl 1,10-phenanthroline (BTAMP) and their copper(I) complexes [Cu(BTAMB)2]BF4, 1, and [Cu(BTAMP)2]BF4, 2, have been synthesized and characterized. The reaction of these ligands with Eu(ClO4)3·6D2O in CH3CN gave invariably diprotonated species BTAMB·2HClO4, 3, and BTAMP·2HClO4, 4, as shown by 1H NMR spectral studies and X-ray analysis of 3: monoclinic space group C2/c, a = 16.240(3), b = 17.607(4), c = 17.754(3) Å, β = 95.10 (1)°, Z = 4, R = 0.050. The main characteristic of the molecule is its double-spiral arrangement around the crystallographic two-fold axis.Keywords
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