2'-DEOXY-2',2'-DIFLUOROTETRAHYDROURIDINES WITH HIGH PURITY AND METHODS OF MAKING THE SAME

The invention relates to methods of synthesizing 2′-deoxy-2′,2′-difluorotetrahydrouridine with increased purity and uniform particle size distribution. In particular, methods of the invention include crystallization and isolation procedures rendering synthetic reaction intermediates. The invention f...

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Bibliographische Detailangaben
Hauptverfasser:	ZUEND, Gemma, SCOTT, Ian, MATSUI, Motoshi, ANNAKA, Kimiyoshi, DAVAR, Nipun, MIYAKE, Masahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DERIVATIVES THEREOF METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SUGARS THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to methods of synthesizing 2′-deoxy-2′,2′-difluorotetrahydrouridine with increased purity and uniform particle size distribution. In particular, methods of the invention include crystallization and isolation procedures rendering synthetic reaction intermediates. The invention further includes compositions comprising the final compound in highly pure form, including lower number of impurities and lower levels of individual and total impurities.