(19)
(11) EP 1 638 677 A2

(12)

(43) Date of publication:
29.03.2006 Bulletin 2006/13

(21) Application number: 04755066.0

(22) Date of filing: 11.06.2004
(51) International Patent Classification (IPC): 
B01J 2/00(1968.09)
(86) International application number:
PCT/US2004/018690
(87) International publication number:
WO 2004/110609 (23.12.2004 Gazette 2004/52)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 11.06.2003 US 477531 P
12.06.2003 US 460051
01.07.2003 US 484218 P

(71) Applicant: BRANDEIS UNIVERSITY
Waltham, MA 02453-2700 (US)

(72) Inventors:
  • Deng, Li
    Newton Lower Falls, MA 02462-1108 (US)
  • Liu, Xiaofeng
    Waltham, MA 02453 (US)
  • Chen, Yonggang
    Somerville, MA 02144 (US)
  • Tian, Shikai
    Waltham, MA 02453 (US)

(74) Representative: Gates, Marie Christina Esther et al
c/o Tomkins & Co. 5 Dartmouth Road
Dublin 6
Dublin 6 (IE)

   


(54) CATALYTIC ASYMMETRIC DESYMMETRIZATION OF PROCHIRAL AND MESO CYCLIC ANHYDRIDES