Process for proparing esters of 2-6'-methoxy-2'-naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one and new esters of 2-(5'-bromo-6'-methoxy-2'-naphtyl)-propionic acid thus prepared
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Purification of chenodeoxycholic acid
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Process for the separation of ursodeoxycholic acid from chenodeoxycholic acid and products obtained during the process
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Process for preparing a solvent-free crystalline polymorphous form of chenodeoxycholic acid
