PROCESS FOR PRODUCTION OF ETHYNYLTHYMIDINE COMPOUND USING 5-METHYLURIDINE AS STARTING RAW MATERIAL

The present invention provides a process for producing 2',3'-didehydro-3'-deoxy-4'-ethynylthymidine, which is useful as a medicine, in an efficient and industrially advantageous manner, and more specifically, provides a process for producing 2',3'-didehydro-3'-deox...

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Bibliographische Detailangaben
Hauptverfasser:	SATO, TATSUNORI, KAWASHIMA, TETSUYA, MIWA, TOSHIO, FUJIMOTO, CHIKOTO, DOKEI, KAZUTOYO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY DERIVATIVES THEREOF HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SUGARS
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Beschreibung
Zusammenfassung:	The present invention provides a process for producing 2',3'-didehydro-3'-deoxy-4'-ethynylthymidine, which is useful as a medicine, in an efficient and industrially advantageous manner, and more specifically, provides a process for producing 2',3'-didehydro-3'-deoxy-4'-ethynylthymidine as shown below. (wherein R 1 and R 2 independently represent a protective group for a hydroxy group, or R 1 and R 2 together form a protective group for two hydroxy groups, R 3 and R 4 independently represent a protective group for a hydroxy group, R 5 represents a protective group for a hydroxy group, R 6 represents a protective group for a hydroxy group, X represents a leaving group, and Y represents a halogen atom.)