Process for preparation of high-purity meloxicam and meloxicam potassium salt

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专利权人:

Tibor Mezei

发明人:

Tibor Mezei,Gyula Simig,Enikó Molnár,Gyula Lukács,Márta Porcs-Makkay,Balázs Volk,Valéria Hofmanné Fekete,Kálmán Nagy,Norbert Mesterházy,György Krasznai,Györgyi Vereczkeyné Donáth,Gyuláné Körtvélyessy

申请号：

US11793548

公开号：

US08097616B2

申请日:

2005.12.16

申请国别(地区):

US

年份:

2012

代理人:

摘要：

The invention provides a process for the preparation of high purity meloxicam of the Formula (II). The meloxicam raw product is reacted with the solution of potassium hydroxide or potassium carbonate, whereby high purity meloxicam potassium sait monohydrate is produced. Said sait is subsequently treated with mineral or organic acid to yield high-purity meloxicam.

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