| 摘要 |
PROBLEM TO BE SOLVED: To provide an industrially advantageous method for producing 3-imino-2, 3-dihydropyridazine-2-acetic acid compound. SOLUTION: The method for producing 3-imino-2, 3-dihydropyridazine-2-acetic acid compound expressed by formula (2) (wherein R<SP>1</SP>, R<SP>2</SP>and R<SP>3</SP>are the same or different and express each H, a halogen atom, an alkylthio, an alkylsulfenyl, an alkylsulfonyl, dialkylamino, an alkyl which may be substituted with halogen atoms, an alkenyl which may be substituted with halogen atoms or an alkoxy which may be substituted with halogen atoms) is to react a salt comprising bromoacetic acid and an amine compound with a 3-aminopyridazine compound. COPYRIGHT: (C)2007,JPO&INPIT
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