Title:
OCTAFLUOROCYCLOBUTANE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/282241
Kind Code:
A1
Abstract:
This method is for producing a composition containing octafluorocyclobutane and octafluorobutane, and comprises (1A) a step for causing a reaction between a raw material composition and a gas containing hydrogen in the presence of a hydrogenation catalyst. The hydrogenation catalyst includes a catalyst metal including a transition metal element. The contained amount of the catalyst metal including a transition metal element is 2.0-5.0 mass% when the total amount of the hydrogenation catalyst is defined as 100 mass%. With this production method, it is possible to obtain high purity octafluorocyclobutane without using chlorine that is highly toxic and corrosive.
Inventors:
OHISHI SATOSHI (JP)
Application Number:
PCT/JP2022/026650
Publication Date:
January 12, 2023
Filing Date:
July 05, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C07B61/00; C07C17/35; C07C17/354; C07C17/383; C07C19/08; C07C23/06
Foreign References:
| CN111135842A | 2020-05-12 | |||
| JP2021084868A | 2021-06-03 | |||
| JPH04503064A | 1992-06-04 | |||
| JPH10182516A | 1998-07-07 | |||
| JP2008013662A | 2008-01-24 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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