Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 31, Issue 5, Pages 624-626Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201300250
Keywords
pillar[5]arenes; primary ammonium salts; complexation selectivity; host-guest chemistry; binding properties
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Funding
- National Natural Science Foundation of China [21072064, 21272079]
- Natural Science Foundation of Guangxi Province [2013GXNSFBA019033]
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The complexation of alkyl-substituted pillar[5]arenes with primary ammonium salts is investigated. 1,4-Bis(methoxy)pillar[5]arene (MeP5) can form strong complexes with the primary ammonium salts in CDCl3. However, 1,4-bis(ethoxy)pillar[5]arene (EtP5) shows weak interaction with these guests, and 1,4-bis(butoxy)pillar[5]arene (BuP5) can not form such a complex at all. These results indicate that the modified alkyl chains of pillar[5]arene play an important role in the complexation selectivity.
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