POLYMORPHIC FORMS OF WARFARIN POTASSIUM AND PREPARATIONS THEREOF
There is provided crystalline solvate forms of Warfarin potassium, termed APO-I and APO-II, and processes for making APO-I and APO-II. APO-I and APO-II are polymorphic solvate forms of Warfarin potassium.
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Page/Page column 15
(2011/12/04)
PROCESS FOR SYNTHESIS OF PURE WARFARIN ACID, WARFARIN ALKALI METAL SALTS AND CORRESPONDING CLATHRATES
An improved procedure for the purification of warfarin acid. Sodium, potassium and lithium warfarin salts and the corresponding clathrates are prepared in high, pharmacopeial grade purity and good yields from the pure warfarin acid and the respective metal salt bases in suitable media.
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(2008/06/13)
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