Process for the preparation of substantially pure (2S,3S,5S)-5-amino-2-N,N-dibenzylamino-3-hydroxy-1,6-diphenylhexane

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United States of America Patent

PATENT NO 8236991
APP PUB NO 20100317855A1
SERIAL NO

12451872

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Abstract

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The present invention relates to the purification of (2S,3S,5S)-5-amino-2-N,N-dibenzylamino-3-hydroxy-1,6-diphenylhexane (III) by making its crystalline acid addition salt, which can be used as such to produce Lopinavir/Ritonavir with high purity and yield. Formula III

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Patent Owner(s)

Patent OwnerAddress
AUROBINDO PHARMA LTDHYDARABAD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ambati, V Raghava Reddy Hyderabad, IN 1 1
Dandala, Ramesh Hyderabad, IN 34 78
Garaga, Srinivas Hyderabad, IN 1 1
Meenakshisunderam, Sivakumaran Hyderabad, IN 78 111

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