METHOD FOR PRODUCING BENZOXAZINONE COMPOUND

METHOD FOR PRODUCING BENZOXAZINONE COMPOUND

PROBLEM TO BE SOLVED: To provide a method for producing a benzoxazinone compound. SOLUTION: The method for producing a benzoxazinone compound represented by formula (4) (wherein R1and R2are each hydrogen, a hydroxy group, a 1-3C alkyl group, a 1-3C alkoxy group, a 1-3C acyl group, a 1-3C acyloxy gro...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIDA MASAYA, MIYAKE TERU, HAYASHI MASAYUKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for producing a benzoxazinone compound. SOLUTION: The method for producing a benzoxazinone compound represented by formula (4) (wherein R1and R2are each hydrogen, a hydroxy group, a 1-3C alkyl group, a 1-3C alkoxy group, a 1-3C acyl group, a 1-3C acyloxy group, a 1-3C alkoxycarbonyl group, a halogen, a nitro group or a carboxy group, and X is a halogen) comprises reacting an anthranilic acid derivative with an aromatic dicarboxylic acid dihalogenide in an inert gas stream in an organic solvent to produce an amide compound and thereafter reacting the amide compound with a dehydrating agent. COPYRIGHT: (C)2010,JPO&INPIT