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(11)

EP 2 004 644 A1

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(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07734067.7 (22) Date of filing: 23.03.2007

(51) International Patent Classification (IPC):  C07D 471/04(2006.01) C07D 471/14(2006.01) (86) International application number: PCT/IB2007/000737 (87) International publication number: WO 2007/110734 (04.10.2007 Gazette 2007/40)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 24.03.2006 IN MU04382006 17.07.2006 IN MU11352006 20.11.2006 IN MU19182006 04.12.2006 US 872648 P (71) Applicant: Glenmark Pharmaceuticals Limited Mumbai 400 099 (IN)	(72) Inventors: CRASTO, Anthony, Melvin Ghoad Bunder Road Thane (W) 400 601 (IN) JOSHI, Narendra, Shriram Navi Mumbai 400 709 (IN) PRADHAN, Nitin, Sharad, Chandra Thane(W) 400 601 (IN) (74) Representative: Wibbelmann, Jobst  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)