Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles
Patent
1983-09-09
1986-07-29
Chan, Nicky
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitriles
25229963, 2522995, C07C12160, C09K 334
Patent
active
046030182
ABSTRACT:
New compounds useful as constituents of liquid crystal compositions exhibiting a negative dielectric anisotropy are provided, which are 2-cyano-4-halogenophenyl esters expressed by the general formula ##STR1## wherein R represents hydrogen atom or an alkyl group or an alkoxy group of 1 to 10 carbon atoms; ##STR2## each represent either one of ##STR3## l, m and n each represent 0 or 1 and the total of l+m+n is 1, 2 or 3; X represents F or Cl; and Y and Z each represent hydrogen atom or F or Cl.
REFERENCES:
patent: 4198312 (1980-04-01), Sato et al.
patent: 4340498 (1982-07-01), Sugimori
patent: 4502974 (1985-03-01), Sugimori et al.
Goto Yasuyuki
Isoyama Toyoshiro
Kojima Tetsuhiko
Sugimori Shigeru
Chan Nicky
Chisso Corporation
Philpitt Fred
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