(19)
(11) EP 2 212 310 A2

(12)

(88) Date of publication A3:
07.01.2010

(43) Date of publication:
04.08.2010 Bulletin 2010/31

(21) Application number: 08839611.4

(22) Date of filing: 06.10.2008
(51) International Patent Classification (IPC): 
C07D 401/04(2006.01)
C07D 215/12(2006.01)
 C07D 401/14(2006.01)
C07D 241/04(2006.01)
(86) International application number:
PCT/IN2008/000643
(87) International publication number:
WO 2009/050734 (23.04.2009 Gazette 2009/17)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 15.10.2007 IN MU20532007

(71) Applicant: Elder Pharmaceuticals Ltd
Andheri (W) Mumbai 400 058 (IN)

(72) Inventors:
  • SAKHARDANDE, Rajiv
    Mumbai 400 057 (IN)
  • NIMBALKAR, Manmohan
    Prabhadevi Mumbai 400 025 (IN)
  • PATIL, Subarao
    Kamothe Navi-Mumbai 410 209 (IN)
  • BHALEKAR, Santosh
    Pin 414 306 (IN)
  • PATIL, Rajendra
    Sector -3$New Panvel$Raigad 410 203 (IN)
  • MHASKE, Rohidas
    Nerul Navi-Mumbai 400 706 (IN)

(74) Representative: Brand, Thomas Louis 
W.P. Thompson & Co. 55 Drury Lane
London WC2B 5SQ
London WC2B 5SQ (GB)

   


(54) AN INDUSTRIALLY FEASIBLE PROCESS FOR THE MANUFACTURE OF BISQUINOLINE DERIVATIVES BY USING SUBSTANTIALLY PURE N-MONOSUBSTITUTED PIPERAZINES