KR830000201A - Fluorine-substituted phenoxybenzyloxycarbonyl derivatives - Google Patents

Abstract

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Description

Fluorine-substituted phenoxybenzyloxycarbonyl derivatives

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Claims (1)

The carbonyl halide of the following structural formula (II) is reacted with the fluorine-substituted phenoxybenzyl alcohol of the structural formula (III) in the presence of an acid acceptor and a diluent or a solvent depending on the purpose, or Hal-CO-R ² In the above structural formula R ¹ represents hydrogen, cyano or ethynyl R ² is It represents a flag From above R ³ and R ⁴ are the same as each other and each represent chlorine, bromine or methyl, or R ² is Represents From above R ⁵ represents a phenyl ring optionally carrying one or two or more substituents independently selected from halogen, alkyl, alkylthio and alkoxy, nitro and methylenedioxy each containing 1 to 4 carbons Hal represents halogen, or Characterized by reacting the carboxyl derivative of formula (IV) with the fluorine-substituted phenoxybenzyl halide of formula (V) in the presence of an acid acceptor or in the form of an alkali metal salt, alkaline earth metal salt or ammonium salt, depending on the purpose, in the presence of a diluent or solvent. A method for preparing a fluorine-substituted phenoxybenzylcarbonyl derivative of the following structural formula (I). In the above structural formula R ¹ and R ² represent the same meaning as above, Hal ¹ represents halogen. ※ Note: It is disclosed according to the contents of the initial application.