(19)
(11) EP 0 751 925 A1

(12)

(43) Date of publication:
08.01.1997 Bulletin 1997/02

(21) Application number: 95912341.0

(22) Date of filing: 23.03.1995
(51) International Patent Classification (IPC): 
C07B 37/ 04( . )
C07C 41/ 30( . )
C07C 43/ 23( . )
C07C 205/ 37( . )
C07C 233/ 25( . )
C07D 237/ 26( . )
C07C 41/ 22( . )
C07C 43/ 225( . )
C07C 69/ 157( . )
C07C 217/ 94( . )
C07C 247/ 16( . )
C09K 19/ 32( . )
(86) International application number:
PCT/GB1995/000654
(87) International publication number:
WO 1995/025710 (28.09.1995 Gazette 1995/41)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

(30) Priority: 23.03.1994 GB 19940005793

(71) Applicant: THE UNIVERSITY OF LEEDS
Leeds, LS2 9JT (GB)

(72) Inventors:
  • CAMMIDGE, Andrew, Neil
    Hellesdon, Norwich, NR6 5HG (GB)
  • BUSHBY, Richard, James
    Leeds LS16 7EL (GB)
  • BODEN, Neville
    Leeds LS17 8RX (GB)
  • HEADDOCK, Gareth
    Bradford West Yorkshire BD11 1BP (GB)

(74) Representative: Allen, Philippa Margaret 
William Jones The Crescent 54 Blossom Street
York YO2 2AP
York YO2 2AP (GB)

   


(54) ELECTROPHILIC SUBSTITUTION OF TRIPHENYLENE-BASED DISCOTIC LIQUID CRYSTALS