Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2011, Issue 27, Pages 5331-5335Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201100698
Keywords
Supramolecular chemistry; Host-guest systems; Cyclooligomerization; Calixarenes; Macrocycles; Arenes; Pillar[n]arenes
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Funding
- National Natural Science Foundation of China (NSFC) [20834004, 91027006]
- Fundamental Research Funds for the Central Universities [2010QNA3008]
- Zhejiang Provincial Natural Science Foundation of China [R4100009]
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization of Zhejiang University [2010MSF02]
- State Key Laboratory of Supramolecular Structure and Materials
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The facile and efficient preparation of pillar[n]arenes (n = 5 or 6) was achieved by cyclooligomerization of 2,5-dialkoxybenzyl alcohols or 2,5-dialkoxybenzyl bromides with an appropriate Lewis acid catalyst at room temperature. The mechanism for this cyclooligomerization is presumed to be a Friedel-Crafts alkylation.
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