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Volumn 127, Issue 39, 2005, Pages 13656-13665

Ferroelectric liquid crystals induced by dopants with axially chiral 2,2′-spirobiindan-1,1′-dione cores

Author keywords

[No Author keywords available]

Indexed keywords

BINDING ENERGY; COMPLEXATION; DERIVATIVES; DOPING (ADDITIVES); KETONES; LIQUID CRYSTALS; MIXTURES; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; POLARIZATION;

EID: 25844451207     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja054322k     Document Type: Article
Times cited : (32)

References (58)
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    • Grassland, W. A.; Wilkinson, T. D. In Handbook of Liquid Crystals; Demus, D., Goodby, J. W., Gray, G. W., Spiess, H.-W., Vill, V., Eds.; Wiley-VCH: Weinheim, 1998; Vol. 1, p 763.
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  • 40
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    • This approach was used to determine the absolute configuration of unsubstituted 2,2′-spirobiindan-1,1′-dione: Harada, N.; Ai, T.; Uda, H. J. Chem. Soc., Chem. Commun. 1982, 232.
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    • unpublished results
    • 9 More rigorous analyses based on atomistic molecular dynamics simulations are currently under development: Ghenea, R.; Cann, N. M., unpublished results.
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  • 55
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    • A related Monte Carlo molecular simulation method that calculates helical twisting powers based on fully atomistic structures of chiral dopants in a Gay-Berne nematic liquid crystal solvent has recently been reported: Earl, D. J.; Wilson, M. R. J. Chem. Phys. 2004, 120, 9679.
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    • Earl, D.J.1    Wilson, M.R.2
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    • note
    • The two conformations in each degenerate pair can be interconverted by a 180° rotation about the polar axis.
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    • note
    • The reason P3 would be favored over P3′ in three of the four hosts remains unclear. In conformation P3′, the 6-heptyloxyindanone fragment is oriented perpendicular to the tilt plane, which may be less compatible with the SmC binding site than the 5-heptyloxyindanone fragment in the same orientation. Interestingly, the perpendicular orientation of the 6-heptyloxyindanone fragment is also present in P4, but it cannot be avoided, as in (R)-3, by switching to another zigzag P conformation. This would be consistent with the remarkably low miscibility of (R)-4 relative to (R)-3 and (R)-1.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.