Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 41, Pages 18151-18155Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202006231
Keywords
intramolecular acylation; octahydrobelt[8]arenes; resorcin[4]arene; zigzag molecular belts
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Funding
- National Science Foundation of China [21732004, 21821001, 91427301]
- Tsinghua University Initiative Scientific Research Program
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Described in this paper are the synthesis and structure of novel and edge-functionalized zigzag hydrocarbon belts. A stepwise fjord-stitching strategy featuring repetitive intramolecular acylation reactions of a resorcin[4]arene derivative as the key steps afforded a biscarbonyl-functionalized octahydrobelt[8]arene product. Facile ketone reduction with NaBH(4)and nucleophilic addition withn-butyllithium produced secondary and tertiary alcohol-containing molecular belts, respectively. Selective oxidation reactions of biscarbonyl-bearing octahydrobelt[8]arene withm-CPBA and (PhSeO)(2)O furnished the corresponding lactone- and 1,4-quinone-embedded molecular belts. Depending on the functional groups on the edges, the acquired belt molecules adopt different shapes such as square prism, truncated cone, and elliptical cylinder.
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