PRODUCTION METHOD OF QUINOPHTHALONE COMPOUND AND INTERMEDIATE THEREOF

PRODUCTION METHOD OF QUINOPHTHALONE COMPOUND AND INTERMEDIATE THEREOF

PROBLEM TO BE SOLVED: To provide a new production method of a quinophthalone compound. SOLUTION: There is provided the production method of the quinophthalone compound via a new compound represented by general formula (2), wherein R1 represents H, a 1-4C alkyl, cycloalkyl, a 1-4C alkoxy or a halogen...

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Bibliographische Detailangaben
Hauptverfasser: YOSHITOMI HIDETAKE, WADA MASARU, NAGAYOSHI TATSUYA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a new production method of a quinophthalone compound. SOLUTION: There is provided the production method of the quinophthalone compound via a new compound represented by general formula (2), wherein R1 represents H, a 1-4C alkyl, cycloalkyl, a 1-4C alkoxy or a halogen atom; R2, R3, R4 and R5 represent each independently H, carbonyl, a halogen atom, a 1-8C alkyl, a 1-4C alkoxy, alkoxycarbonyl, or alkylaminocarbonyl. COPYRIGHT: (C)2010,JPO&INPIT