Title:
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 JP3932206
Kind Code:
B2
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.
Inventors:
Dolby, William, Earl, Junior
Ron, Kisaiao, X
Ron, Kisaiao, X
Application Number:
JP51597197A
Publication Date:
June 20, 2007
Filing Date:
October 18, 1996
Export Citation:
Assignee:
Specialty, Coatings, Systems, Incorporated
International Classes:
C07C17/269; C07C23/18
Domestic Patent References:
| JP5255149A | ||||
| JP6157372A | ||||
| JP4221349A |
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Takeshi Kano
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Takeshi Kano