Bis( m -phenylene)-32-crown-10-Based Cryptands, Powerful Hosts for Paraquat Derivatives
β Scribed by Huang, Feihe; Switek, Karen A.; Zakharov, Lev N.; Fronczek, Frank R.; Slebodnick, Carla; Lam, Matthew; Golen, James A.; Bryant, William S.; Mason, Philip E.; Rheingold, Arnold L.; Ashraf-Khorassani, Mehdi; Gibson, Harry W.
- Book ID
- 121247103
- Publisher
- American Chemical Society
- Year
- 2005
- Tongue
- English
- Weight
- 571 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0022-3263
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## Abstract The successful preparation of the first bis(__m__βphenylene)β32βcrownβ10/paraquat [2]rotaxane showed unambiguously that psuedorotaxaneβtype complexation, rather than the tacoβcomplexβtype complexation previously observed in the solid state and in solution, exists β in solution β for com
A bis(m-phenylene)-32-crown-10-based host to which are covalently attached two pyrene groups as fluorescence chromophores was designed and synthesized. Its complexations with paraquat (PQ) and diquat (DQ) were studied by proton NMR, ESI mass spectrometry, and UV-vis spectroscopy. Its chemosensor beh