(19)
(11) EP 1 226 142 A2

(12)

(88) Date of publication A3:
03.05.2001

(43) Date of publication:
31.07.2002 Bulletin 2002/31

(21) Application number: 00948907.1

(22) Date of filing: 24.07.2000
(51) International Patent Classification (IPC)7: C07D 417/06, C07D 493/04, C07D 275/06, C07D 417/14
// (C07D493/04, 313:00), C07D303:00
(86) International application number:
PCT/US0020/064
(87) International publication number:
WO 0107/439 (01.02.2001 Gazette 2001/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.07.1999 US 145005 P

(71) Applicant: SCHERING AKTIENGESELLSCHAFT
13342 Berlin (DE)

(72) Inventors:
  • MULZER, Johann
    D-13467 Berlin (DE)
  • MARTIN, Harry
    A-1070 Wien (AT)

   


(54) PROCESS FOR THE PRODUCTION OF EPOTHIOLONE B AND DERIVATIVES AS WELL AS INTERMEDIATE PRODUCTS FOR THIS PROCESS