发明名称 |
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 |
摘要 |
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). |
申请公布号 |
WO2017032678(A1) |
申请公布日期 |
2017.03.02 |
申请号 |
WO2016EP69567 |
申请日期 |
2016.08.18 |
申请人 |
BAYER PHARMA AKTIENGESELLSCHAFT |
发明人 |
PLATZEK, Johannes;GOTTFRIED, Kathrin;ASSMANN, Jens;LOLLI, Giulio |
分类号 |
C07D471/04;C25B3/04 |
主分类号 |
C07D471/04 |
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代理人 |
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