(19)
(11) EP 0 386 143 A1

(12)

(43) Date of publication:
12.09.1990 Bulletin 1990/37

(21) Application number: 89900481.0

(22) Date of filing: 18.11.1988
(51) International Patent Classification (IPC): 
C07D 473/ 08( . )
A61K 31/ 415( . )
A61K 31/ 44( . )
A61K 31/ 4433( . )
A61K 31/ 52( . )
A61P 29/ 00( . )
A61P 37/ 08( . )
C07D 405/ 14( . )
C07D 417/ 14( . )
C07D 493/ 08( . )
A61K 31/ 41( . )
A61K 31/ 425( . )
A61K 31/ 443( . )
A61K 31/ 495( . )
A61K 31/ 522( . )
A61P 31/ 00( . )
C07D 405/ 06( . )
C07D 409/ 14( . )
C07D 473/ 10( . )
C07D 521/ 00( . )
(86) International application number:
PCT/US1988/003987
(87) International publication number:
WO 1989/004829 (01.06.1989 Gazette 1989/12)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 20.11.1987 US 19870123500

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

(72) Inventors:
  • SAKSENA, Anil, K.
    Upper Montclair, NJ 07043 (US)
  • GIRIJAVALLABHAN, Viyyoor, M.
    Parsippany, NJ 07054 (US)
  • GANGULY, Ashit, K.
    Upper Montclair, NJ 07043 (US)
  • RANE, Dinanath, F.
    Morganville, NJ 07751 (US)

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

   


(54) TRI- AND TETRA-SUBSTITUTED-OXETANES AND TETRAHYDROFURANS AND INTERMEDIATES THEREOF