(19)
(11) EP 1 021 407 A1

(12)

(43) Date of publication:
26.07.2000 Bulletin 2000/30

(21) Application number: 98940885.1

(22) Date of filing: 14.08.1998
(51) International Patent Classification (IPC)7C07D 207/46, C07D 263/14
(86) International application number:
PCT/US9816/858
(87) International publication number:
WO 9909/006 (25.02.1999 Gazette 1999/08)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 15.08.1997 US 55848 P
15.08.1997 US 912111
03.12.1997 US 67352 P

(71) Applicant: Millennium Pharmaceuticals, Inc.
Cambridge,Massachusetts 02139 (US)

(72) Inventors:
  • SOUCY, Francois
    Medford, MA 02155 (US)
  • PLAMONDON, Louis
    Watertown, MA 02472-4922 (US)
  • BEHNKE, Mark
    Somerville, MA 02144 (US)
  • ROUSH, William
    Ann Arbor, MI 48105 (US)

(74) Representative: Vossius, Volker, Dr. et al
Dr. Volker Vossius,Patentanwaltskanzlei - Rechtsanwaltskanzlei,Holbeinstrasse 5
81679 München
81679 München (DE)

   


(54) SYNTHESIS OF CLASTO-LACTACYSTIN BETA-LACTONE AND ANALOGS THEREOF