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Volumn 32, Issue 7, 1991, Pages 939-942

Synthesis of new optically active cyanocyclopropanes as chiral dopants for ferroelectric liquid crystals

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOPROPANE DERIVATIVE;

EID: 0026034140     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)92125-7     Document Type: Article
Times cited : (15)

References (18)
  • 9
    • 84918149031 scopus 로고    scopus 로고
    • Hydrolysis of the cyano group followed by lactonization afforded (2S,4S)- and (2R,4R)-2-(4-methoxyphenyl)-4-decanolide, respectively, from nonpolar and polar 3: T. Kusumoto, A. Nakayama, K. Sato, K. Nishide, T. Hiyama, S. Takehara, T. Shoji, M. Osawa, T. Kuriyama, K. Nakamura, and T. Fujisawa, to be published.
  • 10
    • 84918149030 scopus 로고    scopus 로고
    • 23NO: M, 257.1774. Found: m/z 257.1790.
  • 11
    • 84918149029 scopus 로고    scopus 로고
    • 23NO: M, 257.1774. Found: m/z 257.1775.
  • 12
    • 84918149028 scopus 로고    scopus 로고
    • The optical purity was estimated by HPLC (Daicel, Chiralcel-OB).
  • 15
    • 84918149027 scopus 로고    scopus 로고
    • This starting material was synthesized by the sequence of reactions shown below.
  • 16
    • 84918149026 scopus 로고    scopus 로고
    • Prepared by the reaction of (R)-epichlorohydrin with propylmagnesium bromide in the presence of CuI followed by the reaction of NaH.
  • 17
    • 84918149025 scopus 로고    scopus 로고
    • The host liquid crystal mixture A consists of 2-(4-decyloxyphenyl)-5-octylpyrimidine (21.4 wt%), 2-(4-nonyloxyphenyl)-5-octylpyrimidine (18.2 wt%), 2-(4-hexyloxyphenyl)-5-octylpyrimidine (9.6 wt%), 2-(4-nonyloxyphenyl)-5-heptylpyrimidine (12.3 wt%), 4-octylphenyl (8.1 wt%), 4-octylphenyl trans-4-hexylcyclohaxanecarboxylate (4.1 wt%), 2-(2-fluoro-4-octyloxyphenyl)-5-(4-octylphenyl)primidine (7.3 wt%), 2-(2-fluoro-4-octyloxyphenyl)-5-(4-heptylphenyl)primidine (7.3 wt%), and 2-(2-fluoro-4-octyloxyphenyl)-5-(4-hexylphenyl)-primidine (3.6 wt%). The phase transition temperatures of the host A were
  • 18
    • 84918149024 scopus 로고    scopus 로고
    • The liquid crystal mixture was sealed in a polyimide rubbing cell of about 2 μm thick, and a square wave of 10 Vp-p/μm was applied to the cell. The Ps was measured by the triangular wave method. The response time was determined by the change of transmittance (from 0% to 90%) of light.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.