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1. (WO2017032678) METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOXAMIDE AND RECOVERY OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOXAMIDE BY ELECTROCHEMICAL METHODS
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Pub. No.: WO/2017/032678 International Application No.: PCT/EP2016/069567
Publication Date: 02.03.2017 International Filing Date: 18.08.2016
IPC:
C07D 471/04 (2006.01) ,C25B 3/04 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
471
Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/-C07D463/251
02
in which the condensed system contains two hetero rings
04
Ortho-condensed systems
C CHEMISTRY; METALLURGY
25
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
B
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
3
Electrolytic production of organic compounds
04
by reduction
Applicants:
BAYER PHARMA AKTIENGESELLSCHAFT [DE/DE]; Müllerstr. 178 13353 Berlin, DE
Inventors:
PLATZEK, Johannes; DE
GOTTFRIED, Kathrin; DE
ASSMANN, Jens; DE
LOLLI, Giulio; DE
Agent:
BIP PATENTS; c/o Bayer Intellectual Property GmbH Alfred-Nobel-Str. 10 40789 Monheim am Rhein, DE
Priority Data:
15182040.421.08.2015EP
15182042.021.08.2015EP
Title (EN) METHOD FOR THE PREPARATION OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOXAMIDE AND RECOVERY OF (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1-6-NAPHTHYRIDINE-3-CARBOXAMIDE BY ELECTROCHEMICAL METHODS
(FR) PROCÉDÉ DE PRÉPARATION DE (4S)-4-(4-CYANO-2-MÉTHOXYPHÉNYL)-5-ÉTHOXY-2,8-DIMÉTHYL-1,4-DIHYDRO-1,6-NAPHTYRIDINE-3-CARBOXAMIDE ET DE RÉCUPÉRATION DE (4S)-4-(4-CYANO-2-MÉTHOXYPHÉNYL)-5-ÉTHOXY-2,8-DIMÉTHYL-1,4-DIHYDRO-1,6-NAPHTYRIDINE-3-CARBOXAMIDE AU MOYEN DE MÉTHODES ÉLECTROCHIMIQUES
(DE) VERFAHREN ZUR HERSTELLUNG VON (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1,6-NAPHTHYRIDIN-3-CARBOXAMID UND WIEDERGEWINNUNG VON (4S)-4-(4-CYANO-2-METHOXYPHENYL)-5-ETHOXY-2,8-DIMETHYL-1,4-DIHYDRO-1,6-NAPHTHYRIDIN-3-CARBOXAMID MITTELS ELEKTROCHEMISCHER METHODEN
Abstract:
(EN) The present invention relates to a novel method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carboxamide of the formula (I) and for the recovery of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carboxamide of the formula (I) starting from (4R)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide of the formula ent-(I).
(FR) La présente invention concerne un nouveau procédé de préparation de (4S)-4-(4-cyano-2-méthoxyphényl)-5-éthoxy-2,8-diméthyl-1,4-dihydro-1,6-naphtyridine-3-carboxamide de formule (I), et de récupération de (4S)-4-(-4-cyano-2-méthoxyphényl)-5-éthoxy-2,8-diméthyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide de formule (I) à partir de (4R)-4-(4-cyano-2-méthoxyphényl)-5-éthoxy-2,8-diméthyl-1,4-dihydro-1,6- naphtyridine-3-carboxamide de formule ent-(I).
(DE) Die vorliegende Erfindung betrifft ein neues Verfahren zur Herstellung von (4S)-4-(4-Cyano-2- methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridin-3-carboxamid der Formel (I) und zur Wiedergewinnung von (4S)-4-(4-Cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4- dihydro-1,6-naphthyridin-3-carboxamid der Formel (I) ausgehend von (4R)-4-(4-Cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6- naphthyridin-3-carboxamid der Formel ent-(I).
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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, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, 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, SA, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)