(19)
(11) EP 0 662 970 A1

(12)

(43) Date of publication:
19.07.1995 Bulletin 1995/29

(21) Application number: 93921023.0

(22) Date of filing: 28.09.1993
(51) International Patent Classification (IPC): 
C07D 239/ 50( . )
A61P 31/ 12( . )
A61K 31/ 52( . )
C07D 473/ 40( . )
(86) International application number:
PCT/GB1993/002027
(87) International publication number:
WO 1994/007892 (14.04.1994 Gazette 1994/09)
(84) Designated Contracting States:
BE CH DE FR GB IT LI NL

(30) Priority: 30.09.1992 GB 19920020585

(71) Applicant: SMITHKLINE BEECHAM PLC
Brentford, Middlesex TW8 9EP (GB)

(72) Inventor:
  • HANSON, John Christopher, SmithKline Beecham Phar
    Epsom, Surrey KT18 5XQ (GB)

(74) Representative: Tocher, Pauline 
SmithKline Beecham plc Corporate Intellectual Property SB House Great West Road
Brentford, Middlesex TW8 9BD
Brentford, Middlesex TW8 9BD (GB)

   


(54) PROCESS FOR THE PREPARATION OF 2-AMINO-6-CHLOROPURINE