Process for the preparation of (4S) -4- (4-cyano-2-methoxyphenyl) -5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide and its purification for use as a pharmaceutical active ingredient

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专利权人:

Bayer Pharma Aktiengesellschaft

发明人:

PLATZEK, Johannes

申请号：

ES16753388

公开号：

ES2739904T3

申请日:

2016.08.18

申请国别(地区):

ES

年份:

2020

代理人:

摘要：

The present invention relates to a novel and improved 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 of a crystalline modification of said compound.

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中国工程科技知识中心

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