(19)
(11) EP 0 441 948 A1

(12)

(43) Date of publication:
21.08.1991 Bulletin 1991/34

(21) Application number: 90913972.0

(22) Date of filing: 04.09.1990
(51) International Patent Classification (IPC): 
C07C 43/ 174( . )
C07C 45/ 71( . )
C07D 321/ 00( . )
C07F 9/ 655( . )
C07C 45/ 29( . )
C07C 47/ 575( . )
C07F 9/ 40( . )
C07F 9/ 6561( . )
(86) International application number:
PCT/US1990/004919
(87) International publication number:
WO 1991/003479 (21.03.1991 Gazette 1991/07)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 06.09.1989 US 19890402847
30.08.1990 US 19900574789

(71) Applicant: TROPIX, INC.
Bedford, MA 01730 (US)

(72) Inventors:
  • EDWARDS, Brooks
    Cambridge, MA 02138 (US)
  • JUO, Rouh-Rong
    Alston, MA 02134 (US)

(74) Representative: Sheard, Andrew Gregory 
Kilburn & Strode 30, John Street
London WC1N 2DD
London WC1N 2DD (GB)

   


(54) SYNTHESIS OF STABLE, WATER-SOLUBLE CHEMILUMINESCENT 1,2-DIOXETANES AND INTERMEDIATES THEREFOR