Title:
【発明の名称】オクタフルオロ-〔2,2〕パラシクロファンの製造方法
Document Type and Number:
Japanese Patent JPH11513689
Kind Code:
A
Abstract:
A process for the preparation of octafluoro-[2,2]paracyclophane includes contacting a reactant selected from the group consisting of 1,4-bis(bromodifluoromethyl)benzene (dibromide), 1,4-bis(chlorodifluoromethyl)benzene (dichloride), and 1,4-bis(iododifluoromethyl)benzene (diiodide) with trimethylsilyltributyltin (TMSTBT) (a reducing agent) and fluoride ions in a refluxing solution of hexamethylphosphoramide (HMPA) or dimethylsulfoxide (DMSO) in tetrahydrofuran (THF) at conditions effective to promote a reaction product comprising octafluoro-[2,2]paracyclophane.
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Inventors:
Dolby, William, Earl, Junior
Ron, Kisaiao, X
Ron, Kisaiao, X
Application Number:
JP51597197A
Publication Date:
November 24, 1999
Filing Date:
October 18, 1996
Export Citation:
Assignee:
Specialty, Coatings, Systems, Incorporated
International Classes:
C07C17/269; C07C23/18; (IPC1-7): C07C17/269; C07C23/18
Domestic Patent References:
| JPH05255149A | 1993-10-05 | |||
| JPH06157372A | 1994-06-03 | |||
| JPH04221349A | 1992-08-11 |
Attorney, Agent or Firm:
Rokuro Takagi (1 person outside)