(19)
(11)
EP 1 005 457 A1
(12)
(43)
Date of publication:
07.06.2000
Bulletin 2000/23
(21)
Application number:
98940348.0
(22)
Date of filing:
24.08.1998
(51)
International Patent Classification (IPC)
7
:
C07D
213/89
,
C07D
213/68
,
C07D
213/61
(86)
International application number:
PCT/GB9802/465
(87)
International publication number:
WO 9910/326
(
04.03.1999
Gazette 1999/09)
(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:
23.08.1997
GB 9717849
(71)
Applicant:
Seal Sands Chemicals Limited
Middlesborough TS2 1UB (GB)
(72)
Inventor:
TARBIT, Brian
Ashington,Northumberland NE63 9JT (GB)
(74)
Representative:
Harrison Goddard Foote
Belmont House,20 Wood Lane
Leeds LS6 2AE
Leeds LS6 2AE (GB)
(54)
PREPARATION OF PYRIDINE DERIVATIVES