PROCESS FOR PRODUCING 2,4-DIFLUORONITROBENZENE

Title:

PROCESS FOR PRODUCING 2,4-DIFLUORONITROBENZENE

Document Type and Number:

WIPO Patent Application WO/2007/072679

Kind Code:

A1

Abstract:

A process for producing 2,4-difluoronitrobenzene characterized by reacting 2,4-dichloronitrobenzene with potassium fluoride in the presence of a sulfone compound represented by the formula (1): R1-SO2-R2 (1) (wherein R1 and R2 are the same or different and each represents C1-3 alkyl).

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Inventors:

HAGIYA KOJI (JP)

Application Number:

PCT/JP2006/324308

Publication Date:

June 28, 2007

Filing Date:

November 29, 2006

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)
HAGIYA KOJI (JP)

International Classes:

C07C201/12; C07C205/12

Foreign References:

JPS617217A	1986-01-13
JPH06321886A	1994-11-22
JPH05286917A	1993-11-02
JPS63502181A	1988-08-25
JPH046104A	1992-01-10

Other References:

STARR L.D. AND FINGER G.C.: "Dimethyl sulphone as a reaction solvent for preparation of aromatic fluorides", CHEMISTRY & INDUSTRY, no. 29, 1962, pages 1328 - 1329, XP003014279

Attorney, Agent or Firm:

ENOMOTO, Masayuki et al. (Limited 5-33, Kitahama 4-chome, Chuo-k, Osaka-shi Osaka 50, JP)

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