Journal
TETRAHEDRON LETTERS
Volume 53, Issue 47, Pages 6409-6413Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.09.043
Keywords
Supramolecular chemistry; Ion pair recognition; Pillar[n]arene; Alkylammonium; Heteroditopic receptor
Categories
Funding
- National Natural Science Foundation of China [20932004, 21102073]
- National Basic Research Program [2011CB808600]
- Natural Science Foundation [BK2011055, BK2011551]
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A novel pillar[5]arene-based heteroditopic receptor for ion pair recognition of alkylammonium salts with different alkyl chain lengths and different counterions was prepared, which showed the best association constant enhancement (71 times) to n-BuNH3+Cl- compared with monotopic receptor 1,4-dimethoxypillar[5]arene over corresponding Br- and CF3COO- salts in chloroform. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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