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(11)

EP 1 685 094 A1

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(43) Date of publication: 02.08.2006 Bulletin 2006/31 (21) Application number: 04775672.1 (22) Date of filing: 26.10.2004

(51) International Patent Classification (IPC):  C07C 275/50(2006.01) C07C 311/58(2006.01) C07C 275/54(2006.01) (86) International application number: PCT/SG2004/000353 (87) International publication number: WO 2005/040101 (06.05.2005 Gazette 2005/18)

(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 (30) Priority: 27.10.2003 US 514013 P (71) Applicant: S*Bio Pte Ltd Singapore Science Park II, Singapore 117528 (SG)	(72) Inventors: LIM, Ze-Yi Singapore 120411 (SG) WANG, Haishan Singapore 118999 (SG) ZHOU, Yan Cleveland, OH 44106 (US) (74) Representative: Schrell, Andreas  Gleiss Grosse Schrell & Partner Patentanwälte Rechtsanwälte Leitzstrasse 45 70469 Stuttgart 70469 Stuttgart (DE)