Journal article
Cation-induced molecular motion of spring-like [2]catenanes
- Abstract:
- The syntheses and cation recognition studies of two novel heteroditopic [2]catenanes that are capable of reversible rotary motion are described. Prepared by chloride anion templation, both catenanes possess a calixdiquinone unit able to bind Na+, K+, NH4+ and Ba2+ cations. Following characterization of thesalts of both catenanes by NMR, mass spectrometry and crystal structure determination, hexafluorophosphate salts were investigated for their behaviour upon addition of cations. Ba2+ complexation caused a partial intra-ring rotation of the two macrocycles in both species, which was reversed upon addition of the sequestering SO42- anion. © The Royal Society of Chemistry 2011.
- Publication status:
- Published
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- Publisher copy:
- 10.1039/c1sc00034a
Authors
- Journal:
- CHEMICAL SCIENCE More from this journal
- Volume:
- 2
- Issue:
- 5
- Pages:
- 922-927
- Publication date:
- 2011-01-01
- DOI:
- EISSN:
-
2041-6539
- ISSN:
-
2041-6520
- Language:
-
English
- Pubs id:
-
pubs:146743
- UUID:
-
uuid:04fe70ba-7f7e-415e-b65c-4f9a131cd558
- Local pid:
-
pubs:146743
- Source identifiers:
-
146743
- Deposit date:
-
2012-12-19
- ARK identifier:
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- Copyright date:
- 2011
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