Anhydrous crystalline form of s-equol
AssigneeAusio Pharmaceuticals, LLC
InventorRichard L. JACKSON
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Abstract
An anhydrous crystalline form of S-equol has been discovered. Form I, the anhydrous crystalline form of S-equol has been isolated and characterized for the first time. As compared to other forms of S-equol, such as the known hydrate or other solvate forms, the anhydrous crystalline form of S-equol has improved properties.
Claims20
An anhydrous crystalline polymorph of S-equol, represented by the structure
A crystalline polymorph of S-equol having a moisture content of less than 4%.
A crystalline polymorph of S-equol prepared by a process comprising reacting bis-pivaloyl-S-equol with a base, optionally in the presence of one or more solvent(s).
Dependencies are inferred from the claim text.