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Title:
METHOD FOR PRODUCING CHLOROALKYLSULFONYL CHLORIDE
Document Type and Number:
WIPO Patent Application WO/2013/047162
Kind Code:
A1
Abstract:
Provided is a method for producing a chloroalkylsulfonyl chloride, by which a high-purity chloroalkylsulfonyl chloride can be obtained with high yield with high productivity. This method for producing a chloroalkylsulfonyl chloride is a method for obtaining a chloroalkylsulfonyl chloride by reacting a hydroxyalkyl sulfonic acid salt with a chlorinating agent. In the method, the reaction is carried out in a substituted benzene solvent that is represented by formula (3). (In formula (3), m represents an integer of 1-3, and when m is 2 or more, the plurality of the R moieties may be the same as or different from each other; and the R moiety(ies) represent one or more polar groups that are selected from among a halogen atom, an -NO2 group, a -CN group, a -C(=O)R1 group and a -C(=O)OR1 group. (In this connection, R1 represents an alkyl group having 1-8 carbon atoms.))

Inventors:
KITAMOTO TAKAHIRO (JP)
Application Number:
PCT/JP2012/072960
Publication Date:
April 04, 2013
Filing Date:
September 07, 2012
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Assignee:
TOYO BOSEKI (JP)
KITAMOTO TAKAHIRO (JP)
International Classes:
C07C303/02; C07C309/80
Domestic Patent References:
WO2009118753A22009-10-01
Foreign References:
JPH07285926A1995-10-31
JP2002053497A2002-02-19
JP2005179325A2005-07-07
Other References:
EMIL H. WHITE ET AL.: "N-Nitroso Sultams: On the Direction of Approach of Nucleophiles to the Sulfonyl Group", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 52, no. 11, 1987, pages 2162 - 2166, XP001107042, DOI: doi:10.1021/jo00387a008
KUANG HUA: "Synthesis of 2-(4-Aminosulfonylphenyl)-4H-1,2-thiazine-1-dioxide", CHEMICAL RESEARCH, vol. 13, no. 3, 2002, pages 47 - 49
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
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Claims:



 
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