期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 21, 页码 5394-5400出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201402258
关键词
nanotubes; interactions; ring-closing metathesis; rotaxanes; supramolecular chemistry
资金
- European Research Council [307609, 267374]
- Spanish MINECO [CTQ2011-25714, CTQ2011-24652]
- Comunidad Autonoma de Madrid [MADRISOLAR-2 S2009/PPQ-1533]
- CRONOS [280879-2 CRONOS CP-FP7]
- POCAON-TAS [316633]
- Spanish Grants [FIS2010-21282-C02-01]
- Grupos Consolidados UPV/EHU del Gobierno Vasco [IT-578-13]
- PICATA postdoctoral fellowship of the Moncloa Campus of International Excellence (UCM)
- European Research Council (ERC) [307609] Funding Source: European Research Council (ERC)
Extensive research has been devoted to the chemical manipulation of carbon nanotubes. The attachment of molecular fragments through covalent-bond formation produces kinetically stable products, but implies the saturation of some of the CC double bonds of the nanotubes. Supramolecular modification maintains the structure of the SWNTs but yields labile species. Herein, we present a strategy for the synthesis of mechanically interlocked derivatives of SWNTs (MINTs). In the key rotaxane-forming step, we employed macrocycle precursors equipped with two -extended tetrathiafulvalene SWNT recognition units and terminated with bisalkenes that were closed around the nanotubes through ring-closing metathesis (RCM). The mechanically interlocked nature of the derivatives was probed by analytical, spectroscopic, and microscopic techniques, as well as by appropriate control experiments. Individual macrocycles were observed by HRSTEM to circumscribe the nanotubes.
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