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Volumn 15, Issue 42, 2009, Pages 11187-11196

Axially chiral facial amphiphiles with a dihydronaphthopentaphene structure as molecular tweezers for swnts

Author keywords

Amphiphiles; Anthracenes; Carbon nanotubes; Chirality pi interactions

Indexed keywords

CIRCULAR DICHROISM SPECTRA; CO CONVERSION; DIELS-ALDER REACTION; ENANTIOMERIC RESOLUTION; FACIAL AMPHIPHILES; MOLECULAR TWEEZERS; OPTICAL ACTIVITY; SOLUBILISATION;

EID: 70350499756     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200901545     Document Type: Article
Times cited : (31)

References (40)
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    • a) D. Yuan, J. Liu, Small 2007, 3, 366-367;
    • (2007) Small , vol.3 , pp. 366-367
    • Yuan, D.1    Liu, J.2
  • 26
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    • E. Ciar, Chem. Ber. 1948, 81, 169-175.
    • (1948) Chem. Ber. , vol.81 , pp. 169-175
    • Ciar, E.1
  • 40
    • 33746063216 scopus 로고    scopus 로고
    • For this reason, and because of the very high optical activity of compounds 1, extensive washings were required for its complete removal from the SWNT samples in order to unequivocally measure the optical enrichment due to the chiral SWNTs. In this process, we incurred a dramatic loss in material, which prevented us from recording CD signals strong enough to be conclusive.
    • To date, and as underlined by N. Komatsu (ref. [8]), CD measurements do not allow the discrimination of optical activity due to SWNTs and induced optical activity of racemic SWNTs (as observed, for example, by adsorbing DNA on a racemic mixture of SWNTs; G. Dukovic, M. Balaz, P. Doak, N. D. Bérova, M. Zheng, R. S. Mclean, L. E. Brus, J. Am. Chem. Soc. 2006, 128, 9004-9005). For this reason, and because of the very high optical activity of compounds 1, extensive washings were required for its complete removal from the SWNT samples in order to unequivocally measure the optical enrichment due to the chiral SWNTs. In this process, we incurred a dramatic loss in material, which prevented us from recording CD signals strong enough to be conclusive.
    • (2006) J. Am. Chem. Soc. , vol.128 , pp. 9004-9005
    • Dukovic, G.1    Balaz, M.2    Doak, P.3    Bérova, N.D.4    Zheng, M.5    Mclean, R.S.6    Brus, L.E.7


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.