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US 6,635,787 B2Granted
Production method of a 2,6-dichlorophenol compound
AssigneeSumitomo Chemical Company, Limited
InventorsHiroshi Sakaguchi, Sanshiro Matsuo
Life of this patent
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Abstract
A 2,6-dichlorophenol compound of formula (1): wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by halogen atom(s), can be produced by making a phenol compound of formula (2): wherein R has the same meaning mentioned above, react with sulfuryl chloride in the presence of a secondary amine in high yield. The obtained 2,6-dichlorophenol compound of formula (1) is useful as intermediate for producing dihalopropene compounds having insecticidal/acaricidal activity.
Claims10
A production method of a 2,6-dichlorophenol compound of formula (1):
- wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by halogen atom(s), which comprises making a phenol compound of formula (2):
- wherein R has the same meaning mentioned above, react with sulfuryl chloride in the presence of a secondary amine.
Dependencies are inferred from the claim text.