Process for the preparation of olmesartan medoxomil

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专利权人:

Rajendra Vishwanath Firke

发明人:

Rajendra Vishwanath Firke,Ujjwal Komalsing Sisodiya,Chandrakant Shriram Bhangale,Radhakrishna Bhikaji Shivdavkar,Himanshu Madhav Godbole,Girij Pal Singh

申请号：

US14237213

公开号：

US08981110B2

申请日:

2012.07.31

申请国别(地区):

US

年份:

2015

代理人:

摘要：

The present invention provides novel process for preparation of olmesartan medoxomil (I) substantially free of olmesartan acid impurity (II) comprising, reacting trityl olmesartan medoxomil (III) with acid, filtering the precipitate of trityl alcohol, subjecting the filtrate to agitated thin film drying and recovering olmesartan medoxomil (I).

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