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

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专利权人:

发明人:

PLATZEK JOHANNES

申请号：

IN201817003424

公开号：

IN201817003424A

申请日:

2018.01.30

申请国别(地区):

IN

年份:

2018

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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