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Volumn 364, Issue , 2001, Pages 253-270

Optically active mesogenic dispiro[2.0.2.1]heptane derivatives and their unusual physical properties

Author keywords

Dispiro 2.0.2.1 heptane; Ferroelectric; Helical twist; Spontaneous polarization

Indexed keywords


EID: 31644434743     PISSN: 1058725X     EISSN: None     Source Type: Journal    
DOI: 10.1080/10587250108024994     Document Type: Article
Times cited : (5)

References (24)
  • 5
    • 31644438092 scopus 로고    scopus 로고
    • submitted.
    • The syntheses of (1R,3S)-1, (1S,3R)-1, (1R,3S,4R)-2, (1R,3S,4S)-3, (1R,3S,4S)-4a, (1R,3S,4S)-5a, (1R,3R)-12a, (1R,3S)-12a, (1R,3R)-13a, (1S,3S)-13a, (1R,3R)-14a, (1S,3S)-14a, (1S,3R)-4-methylene-spiropent-l-ylmethyl acetate, (1R,3S,4R)-5,5-difluorodispiro[2.0.2.1 ]-heptane-l-carboxylic acid, (1R,3S,4S)-6,6-difluorodispiro[2.0.2.1]-heptane-l-carboxylic acid, (1S,3S)-7,7-dichlorodispiro[2.0.2.1]-heptane-l-carboxylic acid, (1S,3S)-7,7-dichlorodispiro[2.0.2.1]heptane-l-carboxylic acid, (1R,3R)-7,7-difluorodispiro[2.0.2.1]heptane-l-carboxylic acid, (1S,3S)-7,7-difluorodispiro[2.0.2.1] heptane-l-carboxylic acid, (1R,3R)-dispiro[2.0.2.1]heptane-l-carboxylic acid and (1S,3S)-dispiro[2.0.2.1]heptane-l-carboxylic acid have been reported separately, see: K. Miyazawa and A. de Meijere, Eur. J. Org. Chem.(2000) submitted.
    • (2000) Eur. J. Org. Chem.
    • Miyazawa, K.1    De Meijere, A.2
  • 16
    • 31644441925 scopus 로고    scopus 로고
    • The racemate 9 was donated by Dr. S. I. Kozhushkov, Institut für Organische Chemie, Georg-August-Universität Göttingen
    • The racemate 9 was donated by Dr. S. I. Kozhushkov, Institut für Organische Chemie, Georg-August-Universität Göttingen.
  • 18
    • 31644451005 scopus 로고    scopus 로고
    • WinMOPAC V 2.0, Fujitsu Ltd
    • WinMOPAC V 2.0, Fujitsu Ltd., 1997-1998.
    • (1997)
  • 19
    • 31644432663 scopus 로고    scopus 로고
    • The dipole moments with respect to the axes of inertia were calculated on the basis of
    • The dipole moments with respect to the axes of inertia were calculated on the basis of
  • 20
    • 31644446854 scopus 로고    scopus 로고
    • the MOPAC results, using the program "MOPANZ1" developed by Dr. T. Inukai, Yokohama.
    • the MOPAC results, using the program "MOPANZ1" developed by Dr. T. Inukai, Yokohama.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.