首页> 外国专利> 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

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

机译:(4S)-4-(4-氰基-2-甲氧基苯基)-5-乙氧基-2,8-二甲基-1,4-二氢-1-6-萘啶-3-羧酰胺的制备方法和回收率电化学方法合成4S)-4-(4-氰基-2-甲氧基苯基)-5-乙氧基-2,8-二甲基-1,4-二羟基-1-6-萘啶-3-羧酰胺

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).
机译:制备(4S)-4-(4-氰基-2-甲氧基苯基)-5-乙氧基-2,8-二甲基-1,4-二氢-1-6-萘啶-的新方法式(I)的3-羧酰胺,用于回收(4S)-4-(4-氰基-2-甲氧基苯基)-5-乙氧基-2,8-二甲基-1,4-二氢-1-6-由(4R)-4-(4-氰基-2-甲氧基苯基)-5-乙氧基-2,8-二甲基-1,4-二氢-1,6-萘啶开始的式(I)的萘啶-3-羧酰胺式-(I)的-3-羧酰胺。

著录项

  • 公开/公告号IN201817005202A

    专利类型

  • 公开/公告日2018-05-18

    原文格式PDF

  • 申请/专利权人

    申请/专利号IN201817005202

  • 申请日2018-02-12

  • 分类号C25B3/04;C07D471/04;

  • 国家 IN

  • 入库时间 2022-08-21 12:51:52

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