(19)
(11) EP 0 643 723 A1

(12)

(43) Date of publication:
22.03.1995 Bulletin 1995/12

(21) Application number: 93902957.0

(22) Date of filing: 06.01.1993
(51) International Patent Classification (IPC): 
C07C 235/ 00( . )
C07J 9/ 00( . )
C07J 43/ 00( . )
C07J 3/ 00( . )
C07J 41/ 00( . )
C07J 75/ 00( . )
(86) International application number:
PCT/US1993/000079
(87) International publication number:
WO 1993/014106 (22.07.1993 Gazette 1993/18)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 06.01.1992 US 19920817179
04.09.1992 US 19920941348

(71) Applicant: SMITHKLINE BEECHAM CORPORATION
Philadelphia Pennsylvania 19103 (US)

(72) Inventors:
  • BAINE, Neil, Howard
    Merion, PA 19066 (US)
  • KLINE, Donald, Nathaniel
    Audubon, PA 19403 (US)
  • MEWSHAW, Richard, Eric
    Towson, MD 21204 (US)
  • OWINGS, Franklin
    Philadelphia, PA 19144 (US)

(74) Representative: Giddings, Peter John, Dr. 
SmithKline Beecham plc Corporate Intellectual Property SB House Great West Road
Brentford, Middlesex TW8 9BD
Brentford, Middlesex TW8 9BD (GB)

   


(54) HALOGENATION USING HALO-VILSMEIER REAGENT