Title:
2,2,3,3-テトラフルオロオキセタンの製造法
Document Type and Number:
Japanese Patent JP4561120
Kind Code:
B2
Abstract:
In the production of 2,2,3,3-tetrafluorooxetane by reaction of tetrafluoroethylene with a compound of formaldehyde generation source in anhydrous hydrogen fluoride, the reaction is carried out in the presence of polyfluoroalkylcarboxylic acid or polyfluoroalkyl ester thereof, represented by the following general formula RfCOORf' (where Rf is a polyfluoroalkyl group having 1-5 carbon atoms, and Rf' is a hydrogen atom or a polyfluoroalkyl group having 1-5 carbon atoms), preferably CF 3 COOH, CF 3 COOCH 2 CF 2 CF 3 , or CF 3 COOCH 2 CF 3 , whereby a high reaction yield can be attained.
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Inventors:
Sunao Ikeda
Sonoi Takehiro
Sonoi Takehiro
Application Number:
JP2004047915A
Publication Date:
October 13, 2010
Filing Date:
February 24, 2004
Export Citation:
Assignee:
UNIMATEC CO.,LTD.
International Classes:
C07D305/08; C07B61/00
Domestic Patent References:
| JP63146868A | ||||
| JP61097277A | ||||
| JP61130254A |
Attorney, Agent or Firm:
Toshio Yoshida
Kazuko Yoshida
Kazuko Yoshida