(19)
(11) EP 0 703 885 A1

(12)

(43) Date of publication:
03.04.1996 Bulletin 1996/14

(21) Application number: 94917727.0

(22) Date of filing: 13.06.1994
(51) International Patent Classification (IPC): 
G02F 1/ 13( . )
C07B 37/ 10( . )
C07C 15/ 62( . )
C07C 25/ 18( . )
C07C 43/ 20( . )
C07C 43/ 23( . )
C07C 69/ 12( . )
C07D 319/ 14( . )
C09K 19/ 32( . )
C07B 37/ 04( . )
C07C 2/ 82( . )
C07C 17/ 263( . )
C07C 41/ 30( . )
C07C 43/ 225( . )
C07C 67/ 293( . )
C07C 69/ 22( . )
C07D 319/ 24( . )
(86) International application number:
PCT/GB1994/001263
(87) International publication number:
WO 1994/029243 (22.12.1994 Gazette 1994/28)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 11.06.1993 GB 19930012091
23.03.1994 GB 19940005795

(71) Applicant: BRITISH TECHNOLOGY GROUP LTD
London SE1 6BU (GB)

(72) Inventors:
  • BUSHBY, Richard, James
    Leeds LS16 7EL (GB)
  • CAMMINDGE, Andrew, Neil
    Leeds LS4 2QY (GB)
  • HEADDOCK, Gareth
    Headingley Leeds LS6 1BZ (GB)
  • BORNER, Ruth, Carol
    Whitley Bay Tyne & Wear NE25 8UT (GB)
  • BODEN, Neville
    Leeds LS17 8RX (GB)

(74) Representative: Fyles, Julie Marie 
William Jones, The Crescent, 54 Blossom Street
York YO2 2AP
York YO2 2AP (GB)

   


(54) SYNTHESIS OF SUBSTITUTED TRIPHENYLENES, USEFUL AS DISCOTIC LIQUID CRYSTALS