PREPARATION OF 3-[2-[4-((6-FLUORO-1, 2-BENZISOXAZOL-3-YL)-L-PIPERIDINYL)-6, 7, 8, 9-TETRAHYDRO-9-HYDROXY-2-METHYL-4H-PYRIDO[ 1, 2-A]-PYRIMIDIN-4-ONE (PALIPERIDONE) AND PALIPERIDONE PALMITATE.

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专利权人:

发明人:

申请号：

EP12792315.9

公开号：

EP2683717A1

申请日:

2012.05.30

申请国别(地区):

EP

年份:

2014

代理人:

摘要：

An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.

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