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1. (WO2001002360) PROCESS FOR PREPARING AMLODIPINE BENZENESULPHONATE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2001/002360 International Application No.: PCT/HU1999/000050
Publication Date: 11.01.2001 International Filing Date: 05.07.1999
Chapter 2 Demand Filed: 22.12.2000
IPC:
C07D 211/90 (2006.01)
Applicants: FISCHER, János[HU/HU]; HU (UsOnly)
SZŐKE, Katalin[HU/HU]; HU (UsOnly)
DOBAY, László[HU/HU]; HU (UsOnly)
LÉVAI, Sándor[HU/HU]; HU (UsOnly)
RICHTER GEDEON VEGYÉSZETI GYÁR RT.[HU/HU]; Gyömrői út 19-21 H-1103 Budapest X, HU (AllExceptUS)
Inventors: FISCHER, János; HU
SZŐKE, Katalin; HU
DOBAY, László; HU
LÉVAI, Sándor; HU
Common
Representative:
RICHTER GEDEON VEGYÉSZETI GYÁR RT.; Gyömrói út 19-21 H-1103 Budapest X, HU
Priority Data:
Title (EN) PROCESS FOR PREPARING AMLODIPINE BENZENESULPHONATE
(FR) PROCEDE DE PREPARATION DE BENZENESULPHONATE D'AMLODIPINE
Abstract: front page image
(EN) The invention relates to a novel process of amlodipine benzenesulphonate of formula (I) by reacting a new 2-[/2-N-(2-carboxy-benzoyl)-aminoethoxy/methyl/]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methyoxycarbonyl-6-methyl-1,4-dihydropyridine derivative of general formula (II) wherein X represents hydrogen or alkali metal or alkali earth metal or quaternary ammonium - with benzenesulphonic acid.
(FR) Cette invention concerne un procédé de préparation de benzènesulphonate d'almodipine représenté par la formule (I). Ce procédé consiste à faire réagir avec un acide sulfonique de benzène, un nouveau dérivé de 2-[/2-N-(2-carboxy-benzoyle)-aminoéthoxy/méthyle/]-4-(2-chlorophényle)-3-éthoxycarbonyle-5-méthyoxycarbonyle-6-mthyle-1,4-dihydropyridine représenté par la formule générale (II) dans laquelle X est hydrogène ou métal alcalin ou métal alcalino-terreux ou ammonium quaternaire.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SL, SZ, UG, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)