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US 9,096,502 B2Granted
Production process for fluorosulfonylimide ammonium salt
AssigneeNippon Soda Co., Ltd.
InventorsShiro Tsubokura, Yasuyuki Aiura, Toru Suzuki, Michiaki Maruyama
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Abstract
A compound [II] such as ammonium N,N-di(fluorosulfonyl)imide is obtained by reacting a compound [I] such as N,N-di(chlorosulfonyl)imide and NH4F (HF)p. A compound [IV] such as an N,N-di(fluorosulfonyl)imide alkali metal salt is obtained by reacting the obtained compound [II] and an alkali metal compound or the like.
Claims4
A process for producing a fluorosulfonylimide ammonium salt of formula [II], the method comprising reacting a compound of formula [I] and a fluorinating agent of formula [III]:
- wherein R1 represents a fluoroalkyl group having 1 to 6 carbon atoms, a fluorine atom, or a chlorine atom,
- NH4F(HF)p [III]
- wherein p represents a real number of 1 to 10,
- wherein R2 represents a fluoroalkyl group having 1 to 6 carbon atoms, or a fluorine atom.
1 more element
Dependencies are inferred from the claim text.