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Machine translation
1. (WO2013144977) AN IMPROVED PROCESS FOR THE PREPARATION OF ETORICOXIB
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2013/144977    International Application No.:    PCT/IN2013/000187
Publication Date: 03.10.2013 International Filing Date: 20.03.2013
IPC:
C07D 213/61 (2006.01), A61K 31/444 (2006.01), A61P 29/00 (2006.01)
Applicants: MYLAN LABORATORIES LTD. [IN/IN]; Plot No. 564/A/22, Road No.92, Jubilee Hills, Hyderabad, 500034 (IN) (For All Designated States Except US).
DORASALA, Siva Prasad Reddy [IN/IN]; (IN) (US only).
NALLA, Raja Mahender Reddy [IN/--]; (IN) (US only).
KOILKONDA, Purandhar [IN/--]; (IN) (US only).
RAMA, Shankar [IN/--]; (IN) (US only).
TUMMANEPALLY, Jagan Mohana Chary [IN/--]; (IN) (US only)
Inventors: DORASALA, Siva Prasad Reddy; (IN).
NALLA, Raja Mahender Reddy; (IN).
KOILKONDA, Purandhar; (IN).
RAMA, Shankar; (IN).
TUMMANEPALLY, Jagan Mohana Chary; (IN)
Agent: DR. NARAHARI BABU AMBATI; Plot No. 34A, Anrich Industrial Estate, Bollaram, Jinnaram Mandal, Medak Dist, Hyderabad - 500 055 Andhra Pradesh (IN)
Priority Data:
1261/CHE/2012 30.03.2012 IN
2794/CHE/2012 10.07.2012 IN
Title (EN) AN IMPROVED PROCESS FOR THE PREPARATION OF ETORICOXIB
(FR) PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ÉTORICOXIB
Abstract: front page image
(EN)The present invention relates to an improved process for the preparation of Etoricoxib by reacting ketosulfone of formula-ll with vinamidinium salt of formula-Ill in the presence of an acid, followed by conversion to an acid addition salt and finally desaltifying to get Etoricoxib of formula-l.
(FR)La présente invention concerne un procédé amélioré pour la préparation d'étoricoxib par réaction d'une cétosulfone de formule II avec un sel de vinamidinium de formule III en présence d'un acide, suivie par une conversion en sel d'addition d'acide et finalement un dessalage pour obtenir l'étoricoxib de formule I.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 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)