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para-Bridged symmetrical pillar[5]arenes: their Lewis acid catalyzed synthesis and host-guest property.
MedLine Citation:
PMID:  18357989     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Condensation of 1,4-dimethoxybenzene (DMB) with paraformaldehyde in the presence of BF3.O(C2H5)2 gave novel para-bridged pentacyclic pillar DMB (DMpillar[5]arene). Moreover, para-bridged pentacyclic hydroquinone (pillar[5]arene) was prepared. Pillar[5]arene formed 1:1 host-guest complexes with dialkyl viologen and alkyl pyridinium derivatives. However, pillar[5]arene did not form complexes with the diadamantyl viologen derivative since a bulky adamantyl group was unable to thread the cavity of pillar[5]arene.
Authors:
Tomoki Ogoshi; Suguru Kanai; Shuhei Fujinami; Tada-aki Yamagishi; Yoshiaki Nakamoto
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Publication Detail:
Type:  Journal Article     Date:  2008-03-22
Journal Detail:
Title:  Journal of the American Chemical Society     Volume:  130     ISSN:  1520-5126     ISO Abbreviation:  J. Am. Chem. Soc.     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-04-11     Completed Date:  2008-05-16     Revised Date:  2008-12-12    
Medline Journal Info:
Nlm Unique ID:  7503056     Medline TA:  J Am Chem Soc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5022-3     Citation Subset:  -    
Affiliation:
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. ogoshi@t.kanazawa-u.ac.jp
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