(19)
(11) EP 1 963 254 A2

(12)

(88) Date of publication A3:
01.11.2007

(43) Date of publication:
03.09.2008 Bulletin 2008/36

(21) Application number: 06842760.8

(22) Date of filing: 19.09.2006
(51) International Patent Classification (IPC): 
C07C 211/08(2006.01)
C07D 211/82(2006.01)
(86) International application number:
PCT/IN2006/000376
(87) International publication number:
WO 2007/054969 (18.05.2007 Gazette 2007/20)
(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

(30) Priority: 21.09.2005 IN MU11642005
19.12.2005 IN MU15932005

(71) Applicant: Torrent Pharmaceuticals Ltd
Ahmedabad 380 009 Gujarat (IN)

(72) Inventor:
  • A.V.V. Shrinivas Rao
    P.O. Bhat 382428 Gandhinagar, Gujarat (IN)

(74) Representative: Teipel, Stephan et al
Lederer & Keller Patentanwälte Prinzregentenstrasse 16
80538 München
80538 München (DE)

   


(54) PROCESS FOR THE PREPARATION OF LERCANIDIPINE AND AMORPHOUS FORM OF LERCANIDIPINE HYDROCHLORIDE