METHOD FOR THE PREPARATION OF (4S) 4 (4 CYANO 2 METHOXYPHENYL) 5 ETHOXY 2 8 DIMETHYL 1 4 DIHYDRO 1 6 NAPHTHYRIDINE 3 CARBOX AMIDE AND THE PURIFICATION THEREOF FOR USE AS AN ACTIVE PHARMACEUTICAL INGREDIENT
- 专利权人:
- 发明人:
- PLATZEK JOHANNES,GARKE GUNNAR,GRUNENBERG ALFONS
- 申请号：
- IN201717002530
- 公开号：
- IN201717002530A
- 申请日:
- 2017.01.23
- 申请国别(地区):
- IN
- 年份:
- 2017
- 代理人:
- 摘要：
- The invention relates to a new and improved method for preparing (4S) 4 (4 cyano 2 methoxyphenyl) 5 ethoxy 2 8 dimethyl 1 4 dihydro 1 6 naphthyridine 3 carbox amide of formula (I) and to the production and use of the crystalline modification I of (4S) 4 (4 cyano 2 methoxyphenyl) 5 ethoxy 2 8 dimethyl 1 4 dihydro 1 6 naphthyridine 3 carbox amide of formula (I).
- 来源网站：
- 中国工程科技知识中心
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- Method for the preparation of (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1-6-naphthyridine-3-carbox-amide and the purification thereof for use as an active pharmaceutical ingredient
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- 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 the purification thereof for use as an active pharmaceutical ingredient
