(19)
(11) EP 1 115 710 A1

(12)

(43) Date of publication:
18.07.2001 Bulletin 2001/29

(21) Application number: 99942378.3

(22) Date of filing: 20.08.1999
(51) International Patent Classification (IPC)7: C07D 241/24, C07D 495/04, C07D 487/04
// (C07D495/04, 333:00), C07D241:00,(C07D487/04, 241:00), C07D209:00,(C07D487/04, 241:00), C07D239:00
(86) International application number:
PCT/US9919/044
(87) International publication number:
WO 0010/983 (02.03.2000 Gazette 2000/09)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 20.08.1998 US 136983

(71) Applicant: ABBOTT LABORATORIES
Abbott Park,IL 60064-6050 (US)

(72) Inventors:
  • HAIGHT, Anthony, R.
    Wadsworth, IL 60083 (US)
  • ZHANG, Weijiang
    Grayslake, IL 60030 (US)
  • LI, Wenke
    Waukegan, IL 60085 (US)
  • FORD, Kelley, L.
    Mount Prospect, IL 60056 (US)
  • PAREKH, Shyamal, I.
    Gurnee, IL 60031 (US)

(74) Representative: Modiano, Guido, Dr.-Ing. et al
Modiano, Josif, Pisanty & Staub,Baaderstrasse 3
80469 München
80469 München (DE)

   


(54) PROCESS FOR PREPARING REGIOSPECIFIC SUBSTITUTED PYRAZINE ISOMERS