Title:
METHOD FOR IMPROVING STORAGE STABILITY OF α,α-DIFLUORO AROMATIC COMPOUNDS
Document Type and Number:
WIPO Patent Application WO/2014/175022
Kind Code:
A1
Abstract:
The invention makes it possible to vastly improve the storage stability of α,α-difluoro aromatic compounds and to enable long-term storage at high purity as an industrial raw material, by adding an organic or inorganic basic compound to α,α-difluoro aromatic compounds (CF2 group bonded directly to an aromatic ring) useful as intermediates of pharmaceuticals and agricultural chemicals.
Inventors:
WATANABE MINEO (JP)
NISHIMIYA TAKAYUKI (JP)
ISHII AKIHIRO (JP)
YAMAZAKI TAKAKO (JP)
OKUGAWA SHOTA (JP)
NISHIMIYA TAKAYUKI (JP)
ISHII AKIHIRO (JP)
YAMAZAKI TAKAKO (JP)
OKUGAWA SHOTA (JP)
Application Number:
PCT/JP2014/059730
Publication Date:
October 30, 2014
Filing Date:
April 02, 2014
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
C07C17/42; C07C17/383; C07C25/13
Domestic Patent References:
| WO2011154298A1 | 2011-12-15 |
Foreign References:
| JP2012528089A | 2012-11-12 | |||
| JP2013180975A | 2013-09-12 | |||
| JP2013180976A | 2013-09-12 | |||
| JP2014005213A | 2014-01-16 |
Other References:
KEN MATSUDA ET AL., THE JOURNAL OF ORGANIC CHEMISTRY, vol. 27, 1962, pages 4015 - 4020
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)
Hiromichi Kobayashi (JP)
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