CRYSTALLIZATION PROCEDURE FOR OBTAINING CANAGLIFLOZIN HEMIHYDRATE CRYSTALS

The present invention relates to an improved crystallization procedure to obtain canagliflozin hemihydrate crystals having a narrow particle size distribution by removing a small part of the crystalline suspension in the crystallization vessel from said vessel and subjecting said part to particle si...

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Bibliographic Details
Main Authors RAMMELOO Thomas Joachim Landewald, WEERTS Koen Johan Herman, DE KEYSER Ruben, LAPS Stijn
Format Patent
LanguageEnglish
Slovenian
Published 31.07.2020
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The present invention relates to an improved crystallization procedure to obtain canagliflozin hemihydrate crystals having a narrow particle size distribution by removing a small part of the crystalline suspension in the crystallization vessel from said vessel and subjecting said part to particle size reduction of the formed crystals followed by heating and reintroducting said part of the crystalline suspension again in the crystallization vessel which is kept within a specific temperature range.
Bibliography:Application Number: SI20160030770T