(19)

(11)

EP 2 531 513 A1

(12)

(43) Date of publication: 12.12.2012 Bulletin 2012/50 (21) Application number: 11701010.8 (22) Date of filing: 18.01.2011

(51) International Patent Classification (IPC):  C07F 9/36(2006.01) (86) International application number: PCT/EP2011/000189 (87) International publication number: WO 2011/095277 (11.08.2011 Gazette 2011/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 02.02.2010 EP 10001011 (71) Applicant: Merck Patent GmbH 64293 Darmstadt (DE)	(72) Inventors: IGNATYEV, Nikolai (/Mykola) 47058 Duisburg (DE) HIERSE, Wolfgang 64849 Gross-Zimmern (DE) BEJAN, Dana 42119 Wuppertal (DE) WILLNER, Helge 45481 Muelheim(Ruhr) (DE) VASILE, Dinoiu Pahova (RO)