A novel, non-high-dilution method for preparation of 1,1,2,2,9,9,10,10-octafluoro[2.2]paracyclophane

Organic Letters

Volumn 2, Issue 13, 2000, Pages 1867-1869

  Dolbier Jr , William R ^a   Duan, Jian Xin ^a   Roche, Alex J ^a  

^a University of Florida ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000318549     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol005943f     Document Type: Article

References (18)

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15. Roche, A. J.; Dolbier, W. R., Jr. Submitted for publication.
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17. 19F, δ -115.98 (s, 4F), -118.68 (s, 2F).
18. 4 overnight, followed by again filtering the mixture to obtain a clear, colorless DMA solution. The crude AF4 product was then obtained by evaporating the DMA filtrate at 100°C under full vacuum. After washing the resulting residue with water and cold methanol, the crude product was extracted with benzene, the benzene was evaporated, and the residue was recrystallized from hexane to give >99% pure AF4 (25.6 g, 60.5%).