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Title:
METHOD FOR PURIFYING 2-FLUOROBUTANE
Document Type and Number:
WIPO Patent Application WO/2015/008781
Kind Code:
A1
Abstract:
　The present invention is a method for purifying 2-fluorobutane to obtain highly purified 2-fluorobutane through a process comprising a step for: bringing crude 2-fluorobutane containing 5-50 wt% of butenes into contact, in an aprotic polar solvent, with butenes and a brominating agent capable of forming bromonium ions in the presence of water or an alcohol having four or fewer carbon atoms; converting the butenes into compounds having higher boiling points than 2-fluorobutane, then recovering 2-fluorobutane from the reaction solution; and purifying the recovered 2-fluorobutane by distillation.

Inventors:
SUGIMOTO TATSUYA (JP)
Application Number:
PCT/JP2014/068886
Publication Date:
January 22, 2015
Filing Date:
July 16, 2014
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
C07C17/395; C07C17/383; C07C19/08
Domestic Patent References:
WO2009123038A12009-10-08
WO2009123038A12009-10-08
Foreign References:
JP2013095669A2013-05-20
JP2001226318A2001-08-21
JPS5946251A1984-03-15
JP2009292749A2009-12-17
JP2013095669A2013-05-20
US2550953A1951-05-01
JP2013045131A2013-03-04
JP2002524431A2002-08-06
Other References:
"Kagaku Daijiten Henshu Iinkai, reduced-size edition", KAGAKU DAIJITEN 7, 15 January 1964 (1964-01-15), pages 907 - 908, XP008182733
JOURNAL OF ORGANIC CHEMISTRY, vol. 19, 1971, pages 2915
JOURNAL OF ORGANIC CHEMISTRY, vol. 44, 1979, pages 3872
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, vol. 52, 1979, pages 3377
Attorney, Agent or Firm:
OHISHI HARUHITO (JP)
Haruhito Oishi (JP)
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