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US 2006/0069141 A1Published application
Preparation of olmesartan medoxomil
AssigneeTeva Pharmaceutical Industries Ltd.
InventorsLilach Hedvati, Gideon Pilarsky
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Abstract
The present invention provides a process for preparing olmesartan medoxomil.
Claims23
A process for preparing olmesartan medoxomil comprising:
- a) contacting trityl olmesartan medoxomil with an acid in a water miscible organic solvent to obtain a solution of olmesartan medoxomil and a precipitate of triphenyl carbinol;
- b) separating the precipitate of triphenyl carbinol from the solution of olmesartan medoxomil;
- c) contacting the solution of olmesartan medoxomil with a base to obtain a precipitate of olmesartan medoxomil;
- and
- d) recovering olmesartan medoxomil.
2 more elements
Dependencies are inferred from the claim text.