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1. (WO2007010557) PROCESS FOR THE PREPARATION OF HIGHLY PURE ROPINIROLE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/010557    International Application No.:    PCT/IN2006/000256
Publication Date: 25.01.2007 International Filing Date: 19.07.2006
IPC:
A61K 31/4045 (2006.01), C07D 209/34 (2006.01)
Applicants: IND-SWIFT LABORATORIE LIMTED [IN/IN]; S.C.O. No. 850, Shivalik Enclave, NAC, Manimajra, Chandigrah 160 101 (IN) (For All Designated States Except US).
SRINIVASAN, Chidambaram, Venkateswaran [IN/IN]; (IN) (For US Only).
SHRAT, Husain, Siddiqui [IN/IN]; (IN) (For US Only)
Inventors: SRINIVASAN, Chidambaram, Venkateswaran; (IN).
SHRAT, Husain, Siddiqui; (IN)
Priority Data:
1920/DEL/2005 22.07.2005 IN
Title (EN) PROCESS FOR THE PREPARATION OF HIGHLY PURE ROPINIROLE
(FR) METHODE DE PREPARATION DE ROPINIROLE TRES PUR
Abstract: front page image
(EN)The present invention relates to highly pure Ropinirole or salt thereof and a process for preparing highly pure Ropinirole of structural Formula (I), by reducing nitro compound of formula (II), and cyclizing the resulting amino compound in situ using palladium on carbon in the presence of aqueous alcoholic medium.
(FR)La présente invention concerne un ropinirole très pur ou son sel, et une méthode de préparation d'un ropinirole très pur de formule (I). La méthode consiste à réduire un composé nitro de formule (II) et à cycliser in situ le composé amino résultant en utilisant du palladium sur du carbone en présence d'un milieu alcoolique aqueux.
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, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, 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)