CRYSTALLINE FORMS OF THE TRI-MESYLATE SALT OF PERPHENAZINE-GABA AND PROCESS OF PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Feb 11, 2013
filing date -
Feb 24, 2010
priority date (Note) -
Abandoned
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Abstract
Novel crystalline form of perphenazine 4-aminobutyrate trimesylate and a process of producing the same are disclosed. The novel crystalline form is characterized by a unique XRPD pattern and a DSC that exhibits an endothermic peak at a relatively high temperature (e.g., higher than 209° C.). Also disclosed are a process of preparing perphenazine 4-aminobutyrate trimesylate by in situ deprotection and salification, in a single-step synthesis, and a highly pure perphenazine 4-aminobutyrate trimesylate obtained thereby. Uses of any of the described perphenazine 4-aminobutyrate trimesylate are also disclosed.
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