Cyclam as a supramolecular synthon: infinite stacked arrays to encapsulation in superanions
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 12,p. 1137-1138
- https://doi.org/10.1039/a902124h
Abstract
Cyclam crystallised from CHCl3–hexane gives infinite, hydrogen bonded assembled columns; in acidic aqueous media (pH 2) in the presence of sodium p-sulfonatocalix[4]arene and the dichromium(III) aqua ion, the superanion or ionic capsule [[H4(cyclam)]4+ ⊂ {(p-sulfonatocalix[4]arene4–)2}]4– crystallises as the salt of [Cr2(OH)2(H2O)8]4+.Keywords
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