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U‐Shaped Conformation of Alkyl Chains Bound to a Synthetic Host

Young Ho KoNational Creative Research Initiative Center for Smart Supramolecules and Department of Chemistry, Pohang University of Science and Technology, San 31 Hyoja-dong, Pohang 790-784, Republic of Korea,Hyunuk KimNational Creative Research Initiative Center for Smart Supramolecules and Department of Chemistry, Pohang University of Science and Technology, San 31 Hyoja-dong, Pohang 790-784, Republic of Korea,Youngkook KimNational Creative Research Initiative Center for Smart Supramolecules and Department of Chemistry, Pohang University of Science and Technology, San 31 Hyoja-dong, Pohang 790-784, Republic of Korea,Kimoon KimNational Creative Research Initiative Center for Smart Supramolecules and Department of Chemistry, Pohang University of Science and Technology, San 31 Hyoja-dong, Pohang 790-784, Republic of Korea, Fax: (+82) 54-279-8129 http://css.postech.ac.kr

2008en

ABI

Annotatsiya

Trotz der hohen sterischen Spannung nehmen die langen aliphatischen Ketten von Alkyltrimethylammoniumionen eine U-förmige Konformation tief im Hohlraum von Cucurbit[8]uril (CB[8]) ein (siehe Röntgenstruktur), die durch elektrostatische und Van-der-Waals-Wechselwirkungen mit dem Carbonyl-umsäumten Rand und dem hydrophoben Hohlraum von CB[8] stabilisiert wird. Die Konformation ähnelt der von Fettsäuren im Komplex mit fettsäurebindenden Proteinen. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2001/2008/z800581_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

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DOI: 10.1002/ange.200800581

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