NOVEL POLYMORPHIC FORMS OF (3S,8S,9S,12S)-3,12-BIS(1,1-DIMETHYLETHYL)-8-HYDROXY-4,11-DIOXO-9-(PHENYLMETHYL)-6-[[4-(2-PYRIDINYL)PHENYL]METHYL]-2,5,6,10,13-PENTAAZATETRADECANEDIOIC ACID DIMETHYL ESTER AD PROCESS FOR THE PREPARATION THEREOF

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专利权人:

发明人:

ANIL PREETAM,SARBAJNA RUCHIRA MAITI,ARIKATLA SIVALAKSHMI DEVI,NADELLA MADHU MURTHY,MULUKUTLA SURYANARAYANA,VELLANKI SIVA RAMA PRASAD,DATTA DEBASHISH

申请号：

IN1264/CHE/2010

公开号：

IN2010CH01264A

申请日:

2010.05.06

申请国别(地区):

IN

年份:

2012

代理人:

摘要：

The present invention relates to a novel polymorphic forms of (3S,8S,9S,12S)-3,12-Bis(1,1- dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl] methyl]- 2,5,6,10,13-pentaazatetradecanedioic acid dimethyl ester (Atazanavir freebase) and process for the preparation thereof.

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