WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2006013550) PROCESS FOR PREPARATION OF PIPERIDINE CARBOXYLIC ACID
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/013550    International Application No.:    PCT/IB2005/052611
Publication Date: 09.02.2006 International Filing Date: 04.08.2005
IPC:
C07D 409/14 (2006.01)
Applicants: RANBAXY LABORATORIES LIMITED [IN/IN]; Plot No. 90, Sector - 32, Gurgaon, Haryana 122 001 (IN) (For All Designated States Except US).
BOSE, Prosenjit [IN/IN]; (IN) (For US Only).
KUMAR, Pramod [IN/IN]; (IN) (For US Only).
MITTAL, Shilpi [IN/IN]; (IN) (For US Only).
KUMAR, Yatendra [IN/IN]; (IN) (For US Only)
Inventors: BOSE, Prosenjit; (IN).
KUMAR, Pramod; (IN).
MITTAL, Shilpi; (IN).
KUMAR, Yatendra; (IN)
Common
Representative:
RANBAXY LABORATORIES LIMITED; c/o DESHMUKH, Jay R., 600 College Road East, Suite 2100, Princeton, NJ 08540 (US)
Priority Data:
1448/DEL/2004 04.08.2004 IN
Title (EN) PROCESS FOR PREPARATION OF PIPERIDINE CARBOXYLIC ACID
(FR) PROCEDE D'ELABORATION D'ACIDE CARBOXYLIQUE DE PIPERIDINE
Abstract: front page image
(EN)Processes for preparing pure tiagabine, a piperidine carboxylic acid, using pharmaceutically acceptable acid addition salts of tiagabine esters are provided. L(+)-­tartaric acid, oxalic acid and dibenzoyl L(+)-tartaric acid addition salts of tiagabine esters are also provided. Further, processes for preparing acid addition salts of tiagabine esters are provided. Formula (I).
(FR)L'invention concerne des procédés d'élaboration de tiagabine pure, un acide carboxylique de pipéridine, au moyen de sels d'addition acides pharmaceutiquement acceptables d'esters de tiagabine. On décrit aussi de l'acide L(+)-tartarique, de l'acide oxalique et des sels d'addition d'acide L(+)-tartarique de dibenzoyle d'esters de tiagabine, et enfin des procédés d'élaboration de sels d'addition acides d'esters de tiagabine.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)