Title:
トリフルオロメタンスルフィン酸の製造方法および精製方法
Document Type and Number:
Japanese Patent JP2012504571
Kind Code:
A
Abstract:
The invention relates to a process for purifying trifluoromethanesulfinic acid by azeotropic distillation with an aromatic solvent, to processes for preparing purified trifluoromethanesulfinic acid and to the use of the purified trifluoronnethanesulfinic acid for preparing trifluoromethylsulfinylated pyrazole derivatives, especially fipronil.
Inventors:
Scoop, martin
Corte, Alexander
Furstell, Stephan
Kyle, Michael
Rack, michael
Corte, Alexander
Furstell, Stephan
Kyle, Michael
Rack, michael
Application Number:
JP2011529513A
Publication Date:
February 23, 2012
Filing Date:
September 28, 2009
Export Citation:
Assignee:
BASF SE
International Classes:
C07C313/04; C07D231/44
Domestic Patent References:
| JP2011504905A | 2011-02-17 | |||
| JP2011504904A | 2011-02-17 | |||
| JPH0356455A | 1991-03-12 | |||
| JPH08319244A | 1996-12-03 | |||
| JP2010509271A | 2010-03-25 | |||
| JPH07278106A | 1995-10-24 | |||
| JP2002338542A | 2002-11-27 | |||
| JP2011504905A | 2011-02-17 | |||
| JP2011504904A | 2011-02-17 | |||
| JPH0356455A | 1991-03-12 | |||
| JPH08319244A | 1996-12-03 | |||
| JP2010509271A | 2010-03-25 | |||
| JPH07278106A | 1995-10-24 | |||
| JP2002338542A | 2002-11-27 |
Attorney, Agent or Firm:
Yusuke Hiraki
Satoshi Fujita
Eiichi Arai
Natsuo Tanaka
Naoko Kikuta
Satoshi Fujita
Eiichi Arai
Natsuo Tanaka
Naoko Kikuta