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(11)

EP 2 024 324 A1

(12)

(43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 06728155.0 (22) Date of filing: 05.05.2006

(51) International Patent Classification (IPC):  C07C 227/18(2006.01) C07C 229/28(2006.01) C07C 227/06(2006.01) (86) International application number: PCT/IE2006/000049 (87) International publication number: WO 2007/129286 (15.11.2007 Gazette 2007/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (71) Applicant: Pfizer Science and Technology Ireland Limited County Dublin (IE)	(72) Inventors: DAVIES, Simon County Cork (IE) KELLEHER, Patrick County Cork (IE) TULLY, William, Eugene County Cork (IE) (74) Representative: Kendrick, David Alan  Pfizer Limited European Patent Department Ramsgate Road Sandwich, Kent CT13 9NJ Sandwich, Kent CT13 9NJ (GB)