AN IMPROVED PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF BALOXAVIR MORBOXIL

The present invention provides an improved process for the preparation of (12aR)-3,4,12,12a-tetrahydro-7-(phenylmethoxy)-1H-[1,4]oxazino[3,4-c] pyrido[2,1-f] [1,2,4]triazine-6,8-dione of Formula (I). Formula I which is a key intermediate in the synthesis of Baloxavir Morboxil of Formula (II). La pré...

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Bibliographische Detailangaben
Hauptverfasser:	SATTI, Venkata Reddy, NANNAPANENI, Venkaiah Chowdary, BUDIDETI, Shankar Reddy, MUDDASANI, Pulla Reddy, TALASANI, Shyam Sunder Reddy, KOTTE, Rajashekar, MALA, Nagendra
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention provides an improved process for the preparation of (12aR)-3,4,12,12a-tetrahydro-7-(phenylmethoxy)-1H-[1,4]oxazino[3,4-c] pyrido[2,1-f] [1,2,4]triazine-6,8-dione of Formula (I). Formula I which is a key intermediate in the synthesis of Baloxavir Morboxil of Formula (II). La présente invention concerne un procédé amélioré pour préparer du (12aR)-3,4,12,12a-tétrahydro-7-(phénylméthoxy)-1H-[1,4]oxazino[3,4-c] pyrido[2,1-f] [1,2,4]triazine-6,8-dione de formule (I). La formule I qui est un intermédiaire clé dans la synthèse de Baloxavir Morboxil de formule (II).