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Title:
NOVEL FLUORINATING AGENT, ITS PRODUCTION AND USE
Document Type and Number:
Japanese Patent JP3619020
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a fluorinating agent capable of being produced in an industrial method further improved technically and economically, and excellent in economics by constituting the agent of a specific organic compound.
SOLUTION: This novel fluorinating agent is obtained by constituting of a compound of formula I [R1 to R4 are each a (non)substituted (un)saturated alkyl, an (un)saturated aryl, or R1 and R2, R3 and R4 or R1 and R3 bind to constitute a ring containing N or N and other hetero atoms]. As the compound of formula I, 2,2-difluoro-1,3-dimethylimidazolidine of formula II, 2,2-difluoro-1,3- di-n-butylimidazolidine of formula III, etc., are cited. The compound of formula I is produced by a halogen exchange reaction of a compound of formula IV (X2 and X3 are each Cl or Br) with an alkali metal salt of F in a nonreactive solvent.


Inventors:
Hiroshi Sonoda
Kazushige Okada
Akira Takahashi
Hidetoshi Hayashi
Takahiro Yasuhiro
Fukumura Note
Teruyuki Nagata
Application Number:
JP22133098A
Publication Date:
February 09, 2005
Filing Date:
August 05, 1998
Export Citation:
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Assignee:
Mitsui Chemicals, Inc.
International Classes:
C07D233/02; C07B39/00; C07C17/16; C07C17/18; C07C17/20; C07C19/08; C07C21/18; C07C22/08; C07C23/10; C07C25/13; C07C25/18; C07C45/63; C07C49/813; C07C51/60; C07C53/38; C07C63/10; C07C67/287; C07C69/653; C07C201/12; C07C205/12; C07C209/68; C07C211/15; (IPC1-7): C07C211/15; C07C17/16; C07C17/18; C07C17/20; C07C19/08; C07C21/18; C07C22/08; C07C23/10; C07C25/13; C07C25/18; C07C49/813; C07C51/60; C07C63/10; C07C69/653; C07C201/12; C07C205/12; C07D233/02
Domestic Patent References:
JP52156810A
JP5925375A
Foreign References:
US3092637
US3213062
US3976691
WO1996004297A1
Other References:
Tetrahedron Letters,1989年,Vol.30,No.23,p.3077-3080
Attorney, Agent or Firm:
Shinichi Naemura
Shotaro Mogami