Enantiomeric resolution of chiral 1,8-anthrylene cyclic tetramers with acetylene and diacetylene linkers

Chemistry Letters

Volumn 36, Issue 3, 2007, Pages 404-405

  Goichi, Michio ^a   Yamasaki, Shingo ^a   Miyahara, Hiroaki ^a   Wakamatsu, Kan ^a   Akashi, Haruo ^a   Toyota, Shinji ^a  

^a OKAYAMA UNIVERSITY OF SCIENCE   (Japan)

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Indexed keywords

EID: 34047263016     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2007.404     Document Type: Article

References (21)

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15. 11
16. -1, T = 123K, 9664 reflections, R1 = 0.038 (I > 2.0σ(I)), Rw = 0.073, GOF 0.867. CCDC deposition number: 630820.
17. Supporting Information for the details of the experimental procedures and the calculations is available free of charge on the web at http://www.csj.jp/ journals/chem-lett/index.html.
18. Enantiomeric crystals were visually indistinguishable as far as we observed.
19. At present, the determination of absolute stereochemistry was unsuccessful. The Flack parameter of X-ray diffraction data gave ambiguous values. Reliable theoretical calculations of CD spectra were difficult for this large molecule.
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