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Patent Searching and Data


Title:
選択的フッ素化有機化合物
Document Type and Number:
Japanese Patent JP3924316
Kind Code:
B2
Abstract:
PCT No. PCT/GB95/01765 Sec. 371 Date Apr. 25, 1996 Sec. 102(e) Date Apr. 25, 1996 PCT Filed Jul. 26, 1995 PCT Pub. No. WO96/03357 PCT Pub. Date Feb. 8, 1996A process for the preparation of a selectively fluorinated organic compound, which process includes reaction of a precursor of said organic compound, the precursor containing at least one Group VI element selected from sulfur, selenium and tellurium, with a fluorinating agent and another halogenating agent and characterized in that the fluorinating agent is elemental fluorine.

Inventors:
Chien Inverse, Lichenyard Dateskinson
Sandford, Graham
Application Number:
JP50559196A
Publication Date:
June 06, 2007
Filing Date:
July 26, 1995
Export Citation:
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Assignee:
BNF Fluorochemicals Limited
International Classes:
C07B39/00; C07H1/00; C07C17/093; C07C17/361; C07C22/08; C07C23/40; C07C25/18; C07H5/02; C07H13/02
Other References:
化学大辞典 3,共立出版,1960年,p.447 (元素)
SONDEJ S. C. and KATZENELLENBOGEN J. A., gem-Difluoro Compounds: A Convenient Preparation from Ketones and Aldehydes by Halogen Fluoride Treatment of 1,3-Dithiolanes, J. Org. Chem., 1986年,51, p.3508-3513
MOTHERWELL W. B. et al., Observations on the Reaction of Dithioketals with para-Iodotoluene Difluoride:A Novel Route to gem-Difluoro Compounds, SYNLETT, 1991年,No.3, p.191-192
YOSHIYAMA T. and FUCHIGAMI T., Anodic gem-Difluorination of Dithioacetals, CHEMISTRY LETTERS, 1992年,p.1995-1998
Attorney, Agent or Firm:
Yoshio Kawaguchi
Toru Nakamura
Takeshi Funayama