Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 45, Pages 16398-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja907297z
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Funding
- EPSRC
- Royal Society
- Royal Society University Research
- Engineering and Physical Sciences Research Council [EP/G063737/1] Funding Source: researchfish
- EPSRC [EP/G063737/1] Funding Source: UKRI
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The discovery of interconvertible platinum coordination modes, which reveals and masks cis coordinating groups upon addition of acid and base, respectively, has been exploited to facilitate stimuli-responsive assembly and disassembly of both two- and three-dimensional metallosupramolecular architectures. Treatment of a binclear platinum complex with acid along with ditopic and tritopic donor ligands generated a molecular square and a trigonal prism, respectively, in good to high yield. These complexes were unambiguously identified using electrospray mass spectrometry, H-1 NMR spectroscopy, and X-ray crystallography. Both assemblies can be disassembled into their constituent parts simply by treatment with base, and the prism can be cycled between the assembled and disassembled states by the alternate addition of acid and base.
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