METHOD FOR PRODUCING 4'-CYANO-3-[(4-FLUOROPHENYL)SULFONYL]-2-HYDROXY-2-METHYL-3'-TRIFLUOROMETHYLPROPIONANILIDE

Title:

METHOD FOR PRODUCING 4'-CYANO-3-[(4-FLUOROPHENYL)SULFONYL]-2-HYDROXY-2-METHYL-3'-TRIFLUOROMETHYLPROPIONANILIDE

Document Type and Number:

Japanese Patent JP2005120024

Kind Code:

A

Abstract:

To provide a method for producing 4'-cyano-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methyl-3'-trifluoromethylpropionanilide which comprises a step of purifying 4'-cyano-3-(4-fluorophenylthio)-2-hydroxy-2-methyl-3'-trifluoromethylpropionanilide.

The method for producing 4'-cyano-3-[(4-fluorophenyl)sulfonyl]-2-hydroxy-2-methyl-3'-trifluoromethylpropionanilide which comprises a step of purifying 4'-cyano-3-(4-fluorophenylthio)-2-hydroxy-2-methyl-3'-trifluoromethylpropionanilide is characterized by performing the purification step by crystallization.

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Inventors:

SHINTAKU TETSUYA
KATSURA TADASHI
SUGI KIYOSHI
ITAYA NOBUSHIGE

Application Number:

JP2003357038A

Publication Date:

May 12, 2005

Filing Date:

October 16, 2003

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO

International Classes:

C07C315/02; C07C315/06; C07C317/46; C07C319/28; C07C323/62; (IPC1-7): C07C315/02; C07C315/06; C07C317/46; C07C319/28; C07C323/62

Attorney, Agent or Firm:

Takashima Ichi

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