Application of Isayama–Mukaiyama cobalt catalyzed hydroperoxysilylation for the preparation of ritonavir hydroperoxide
We report the preparation of thiazol-5-ylmethyl ((2S,3S,5S)-5-((S)-2-(3-((2-(2-hydroperoxypropan-2-yl)thiazol-4-yl)methyl)-3-methylureido)-3-methylbutanamido)-3-hydroxy-1,6-diphenylhexan-2-yl)carbamate, a hydroperoxide impurity of ritonavir also known as
Gazal, Sharon,Gupta, Priya,Gunturu, Siva Ramakrishna,Isherwood, Matthew,Voss, Matthew E.
Improved pharmaceutical compositions are provided comprising one or more solubilized HIV protease inhibiting compounds having improved solubility properties in a medium and/or long chain fatty acid, or mixtures thereof, a pharmaceutically acceptable alcoh
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Polymorph of a pharmaceutical
A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
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POLYMORPH OF RITONAVIR
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