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AN IMPROVED PROCESS FOR THE PREPARATION OF BISOPROLOL AND ITS INTERMEDIATE
专利权人:
发明人:
MORTHALA RAGHAVENDAR RAO,GHARPURE MILIND,JAGTAP ASHUTOSH,MHASKAR MAHESH,KRISHNAMURTHY DHILEEPKUMAR
申请号:
IN645/MUM/2015
公开号:
IN2015MU00645A
申请日:
2015.02.27
申请国别(地区):
IN
年份:
2017
代理人:
摘要:
The present invention provides an improved process for the preparation of 4-((2-isopropoxy ethoxy) methyl) phenol compound (I), used as an intermediate in many organic synthesis particularly a key intermediate for the synthesis of l-[4[2(l-methylethoxy) ethoxy methyl] phenoxy]-3-(l-methylethylamino)-propan-2-ol commonly known as Bisoprolol or its pharmaceutical acceptable salts. The process comprises reacting the 4-hydroxybenzyl alcohol (II) with the 2-isopropoxyethanoI (III) in the presence of activated silica and optionally, in the presence of solvent.
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