Journal
SCIENCE CHINA-CHEMISTRY
Volume 55, Issue 2, Pages 223-228Publisher
SCIENCE PRESS
DOI: 10.1007/s11426-011-4427-3
Keywords
calixarene; pillararene; FeCl3; supramolecular chemistry; host-guest property
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Funding
- National Natural Science Foundation of China [20872038, 21072064]
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A facile method for the synthesis of pillar[6]arenes was developed. A series of pillar[6]arenes were prepared with FeCl3 as catalyst and chloroform as solvent at room temperature in moderate yields (30%-40%). Their host-guest properties with n-cetyltrimethyl ammonium bromide were investigated by (HNMR)-H-1. The results showed that high selectivity in the host-guest relationship became apparent between pillar[6]arenes and pillar[5]arenes based on the different size of the inner cavity.
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