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US 6,787,665 B2Granted
Production method of substituted benzenes
AssigneeSumitomo Chemical Company, Limited
InventorsNoboru Yamamoto, Sanshiro Matsuo
Life of this patent
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Abstract
An ester compound of formula (1) can be produced by making a compound given by formula (2): react with an alkali metal salt of acetic acid in the presence of an aromatic hydrocarbon, and the obtained ester compound of formula (1) react with an alkali metal hydroxide and water to give a 3-phenoxypropanol compound of formula (3):
Claims8
A method for the production of an ester compound given by formula (1):
- wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by at least one halogen atom, which comprises making a compound given by formula (2):
- wherein X represents a chlorine atom or bromine atom and R means as described below
- react with an alkali metal salt of acetic acid in the presence of an aromatic hydrocarbon.
A method for the production of a 3-phenoxypropanol compound given by the formula (3):
- wherein R means as described below, which comprises making a compound given by formula (2):
- wherein X represents a chlorine atom or bromine atom and R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by at least one halogen atom,
- react with an alkali metal salt of acetic acid in the presence of an aromatic hydrocarbon, and then making the product react with an alkali metal hydroxide and water.
An ester compound given by formula (1):
- wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by at least one halogen atom.
Dependencies are inferred from the claim text.