(19)
(11) EP 0 489 804 A1

(12)

(43) Date of publication:
17.06.1992 Bulletin 1992/25

(21) Application number: 90913083.0

(22) Date of filing: 30.08.1990
(51) International Patent Classification (IPC): 
C07C 33/ 46( . )
C07D 249/ 08( . )
C07D 309/ 12( . )
C07D 521/ 00( . )
 C07C 49/ 80( . )
C07D 303/ 08( . )
C07D 407/ 12( . )
(86) International application number:
PCT/US1990/004843
(87) International publication number:
WO 1991/003451 (21.03.1991 Gazette 1991/07)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 01.09.1989 US 19890402014

(71) Applicant: SCHERING CORPORATION
Kenilworth New Jersey 07033 (US)

(72) Inventors:
  • GIRIJAVALLABHAN, Viyyoor, M.
    Parsippany, NJ 07054 (US)
  • GANGULY, Ashit, K.
    Upper Montclair, NJ 07043 (US)
  • PINTO, Patrick
    Mine Hill, NJ 07801 (US)
  • SARRE, Olga, Z.
    Verona, NJ 07044 (US)

(74) Representative: Ritter, Stephen David 
Mathys & Squire 100 Grays Inn Road
London WC1X 8AL
London WC1X 8AL (GB)

   


(54) ASYMMETRIC CHEMICAL SYNTHESIS AND INTERMEDIATES FOR MAKING ANTIFUNGAL COMPOUNDS