(19)
(11) EP 1 435 912 A1

(12)

(43) Date of publication:
14.07.2004 Bulletin 2004/29

(21) Application number: 01978760.5

(22) Date of filing: 05.11.2001
(51) International Patent Classification (IPC)7A61K 9/14, A61K 9/16, C07C 229/00
(86) International application number:
PCT/IB2001/002080
(87) International publication number:
WO 2003/022251 (20.03.2003 Gazette 2003/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 12.09.2001 IN MU08712001
12.09.2001 IN MU08722001

(71) Applicant: Alembic Limited
Vadodara 390003,Gujarat (IN)

(72) Inventors:
  • SHAH, Vrajesh
    Vadodara 390 003,Gujarat (IN)
  • HITKARI, Anurag
    Vadodara 390 003,Gujarat (IN)
  • DEO, Keshav
    Vadodara 390 003,Gujarat (IN)
  • RENGARAJU, Srinivasan
    Vadodara 390 003,Gujarat (IN)

(74) Representative: Harrison Goddard Foote 
Belgrave HallBelgrave Street
Leeds LS2 8DD
Leeds LS2 8DD (GB)

   


(54) NOVEL STABLE CRYSTAL FORM OF N-TRANS-4-ISOPROPYLCYCLOHEXYL CARBONYL)-D-PHENYLALANINE AND PROCESS OF PREPARATION