| 摘要 |
The present invention relates to a method for producing a compound of formul a (IV) wherein R1 is an optionally substituted hydrocarbon group; R2 is H or an optionally substituted hydrocarbon group; a nd Q is an optionally substituted heterocyclic group, or a salt thereof which comprises subjecting a compound of formula (I) wherein R1 has the same meaning as defined above, or a salt thereof to the nitration reaction (a), and further subjecting the resulting mixture without isolating/purifying the resulting compound of formula (II) wherein R1 has the same meaning as defined above, or a salt thereof to the reaction (b) with a compound of the formula (III): Q-CH2-NH-R2, wherein each symbol has the same meaning as defined above, or a salt thereof . According to the production method of the present invention, a compound (IV) as an intermediate of a guanidine derivative having an excellent insecticidal activity, or a salt thereof can be mass-produced industrially.
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