METHOD OF PRODUCING 1,4-BENZOXAZINE COMPOUND

PROBLEM TO BE SOLVED: To provide a method for producing 1,4-benzoxazine compounds useful as medicine, in an industrial advantageous manner while avoiding a risk in safe and hygiene, and a stable novel crystal.SOLUTION: The present invention provides a method of producing 1,4-benzoxazine compound [A]...

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Hauptverfasser:	AKATSUKA HIDENORI, OKABE TOMOYUKI, TOMIKAWA KAORI, TOYAMA KENICHI, SUGIURA YOSHIHIRO, OKAMOTO YUKIE, IIJIMA TORU, HAMADA TAKESHI, MOROTA ATSUSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing 1,4-benzoxazine compounds useful as medicine, in an industrial advantageous manner while avoiding a risk in safe and hygiene, and a stable novel crystal.SOLUTION: The present invention provides a method of producing 1,4-benzoxazine compound [A] comprising 3 steps represented by the following scheme [Ms is methanesulfonyl group; R' and R" are H or alkyl].SELECTED DRAWING: Figure 1 【課題】医薬として有用な１，４−ベンゾオキサジン化合物を安全衛生上のリスクを回避しつつ、工業的有利に製造する方法、及び安定な新規結晶の提供。【解決手段】下記スキームで示される３工程からなる１，４−ベンゾオキサジン化合物［Ａ］の製法。〔Ｍｓはメタンスルホニル基；Ｒ'及びＲ"はＨ又はアルキル〕【選択図】図１