METHOD FOR PREPARING SARPOGRELATE HYDROCHLORIDE CRYSTAL FORM II

The present invention relates to a method for preparing a sarpogrelate hydrochloride crystal form II, and more specifically, to a method for efficiently preparing a crystal form II having a purity of 99% or higher from a crude crystal of sarpogrelate hydrochloride by using acetonitrile as a recrysta...

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Bibliographische Detailangaben
Hauptverfasser:	MIN, YUN SIK, KIM, BYEONG SU, LEE, HYUNG CHUL, BAE, KWAN HOO, SIM, SUNG BO
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to a method for preparing a sarpogrelate hydrochloride crystal form II, and more specifically, to a method for efficiently preparing a crystal form II having a purity of 99% or higher from a crude crystal of sarpogrelate hydrochloride by using acetonitrile as a recrystallization solvent. La présente invention concerne un procédé de préparation d'un cristal de chlorhydrate de sarpogrelate de forme II, et plus spécifiquement, un procédé servant à préparer de façon efficace un cristal de forme II, ayant une pureté de 99% ou plus à partir d'un cristal brut de chlorhydrate de sarpogrelate en utilisant de l'acétonitrile en tant que solvant de recristallisation.