Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 17, Issue 27, Pages 7521-7530Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201003327
Keywords
calixarenes; cluster compounds; manganese; self-assembly; supramolecular chemistry
Categories
Funding
- EPSRC
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
- Danish Natural Science Research Council (FNU)
- Engineering and Physical Sciences Research Council [EP/H011234/1, EP/H011188/1, EP/I031421/1] Funding Source: researchfish
- EPSRC [EP/I031421/1, EP/H011188/1, EP/H011234/1] Funding Source: UKRI
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In the cone conformation calix[4]arenes possess lower-rim polyphenolic pockets that are ideal for the complexation of various transition-metal centres. Reaction of these molecules with manganese salts in the presence of an appropriate base (and in some cases co-ligand) results in the formation of a family of calixarene-supported [(Mn2Mn2II)-Mn-III] clusters that behave as single-molecule magnets (SMMs). Variation in the alkyl groups present at the upper-rim of the cone allows for the expression of a degree of control over the self-assembly of these SMM building blocks, whilst retaining the general magnetic properties. The presence of various different ligands around the periphery of the magnetic core has some effect over the extended self-assembly of these SMMs.
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