Journal
TETRAHEDRON LETTERS
Volume 52, Issue 34, Pages 4433-4436Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.06.065
Keywords
Pillararene; Co-oligomerization; Self-assembly; Host-guest system; Supramolecular chemistry
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Funding
- National Natural Science Foundation of China [20834004, 91027006]
- Fundamental Research Funds for the Central Universities [2010QNA3008]
- Zhejiang Provincial Natural Science Foundation of China [R4100009]
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A pillar[5]arene dimer was successfully prepared by co-oligomerization of 1,4-dimethoxybenzene and 1.6-bis(4-butoxyphenoxy)hexane. It was demonstrated that it forms 1:2 complexes with n-octyltrimethyl ammonium hexafluorophosphate both in chloroform and the gaseous state. A Scatchard plot indicated that the complexation between them is statistical with an average association constant of 6.0 (+/- 0.4) x 10(2) M-1 in chloroform. (C) 2011 Elsevier Ltd. All rights reserved.
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