![]() |
![]() |
Legal status
Patent not validated
(51) | INT.CL. | C07D 487/04 |
(11) | Number of the document | 2331545 |
(13) | Kind of document | T |
(96) | European patent application number | 09765169.9 |
Date of filing the European patent application | 2009-08-26 | |
(97) | Date of publication of the European application | 2011-06-15 |
(45) | Date of publication and mention of the grant of the patent | 2013-10-02 |
(46) | Date of publication of the claims translation |
(86) | Number | PCT/IN2009/000470 |
Date | 2009-08-26 |
(87) | Number | WO 2010/032264 |
Date | 2010-03-25 |
(30) | Number | Date | Country code |
MU17982008 | 2008-08-27 | IN | |
MU01882009 | 2009-02-02 | IN | |
MU07852009 | 2009-03-30 | IN |
(72) |
KOTHARI, Himanshu, Madhusudan, IN
DAVE, Mayank, Ghanshyambhai, IN
PANDEY, Bipin, IN
SHUKLA, Bhavin, Shriprasad, IN
|
(73) |
Cadila Healthcare Limited,
Zydus Tower Satellite Cross Roads, Ahmedabad 380 015 Gujarat,
IN
|
(54) | IMPROVED PROCESS FOR PREPARATION OF (2R)-4-OXO-4-[3- (TRIFLUOROMETHYL)-5,6-DIHYDRO [1,2,4]-TRIAZOLO[4,3-A]PYRAZIN- 7(8H)-YL]-L-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-AMINE&NEW IMPURITIES IN PREPARATION THEREOF |
IMPROVED PROCESS FOR PREPARATION OF (2R)-4-OXO-4-[3- (TRIFLUOROMETHYL)-5,6-DIHYDRO [1,2,4]-TRIAZOLO[4,3-A]PYRAZIN- 7(8H)-YL]-L-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-AMINE&NEW IMPURITIES IN PREPARATION THEREOF |