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Thermo Scientific Chemicals
1,4-Dibromo-2,5-difluorobenzene, 98%
CAS: 327-51-5 | C6H2Br2F2 | 271.887 g/mol
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化學識別
CAS327-51-5
IUPAC Name1,4-dibromo-2,5-difluorobenzene
Molecular FormulaC6H2Br2F2
InChI KeyGLVMLJCMUBZVTJ-UHFFFAOYSA-N
SMILESFC1=CC(Br)=C(F)C=C1Br
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規格
規格表
規格表Appearance (Color)White
FormCrystals or powder or crystalline powder
Assay (GC)≥97.5%
Identification (FTIR)Conforms
Melting Point (clear melt)59.0-66.0?C
1,4-Dibromo-2,5-difluorobenzene has been used in the preparation of 1,2,4,5-tetrakis(phosphino)-3,6-difluorobenzenes and poly(2,5-difluoro-2,5-didodecyl-4,4-biphenylylene.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
1,4-Dibromo-2,5-difluorobenzene has been used in the preparation of 1,2,4,5-tetrakis(phosphino)-3,6-difluorobenzenes and poly(2,5-difluoro-2′,5′-didodecyl-4,4′-biphenylylene.
Solubility
Soluble in methanol. Insoluble in water.
Notes
Stable under recommended storage conditions. Store in cool, dry place in tightly closed containers. With good ventilation. Store away from oxidizing agent.
1,4-Dibromo-2,5-difluorobenzene has been used in the preparation of 1,2,4,5-tetrakis(phosphino)-3,6-difluorobenzenes and poly(2,5-difluoro-2′,5′-didodecyl-4,4′-biphenylylene.
Solubility
Soluble in methanol. Insoluble in water.
Notes
Stable under recommended storage conditions. Store in cool, dry place in tightly closed containers. With good ventilation. Store away from oxidizing agent.
RUO – Research Use Only
General References:
- Kongprakaiwoot N, et al. New synthetic route to polyphosphine ligands bearing 1,2,4,5-tetrakis (phosphino) benzene framework: structural characterizations of 1, 4-(PPh2)2-2, 5-(PR2)2-C6F2(R= Ph, iPr, Et). J. Organomet. Chem. 2004, 689 (21), 3350-56.
- Kowitz C; and Wegner Gl. Functionalized poly-and oligo-phenylenes: Variations on the Suzuki cross-coupling of functionalized aryl dibromides with the 1, 3-propanediol diester of 2, 5-dialkyl-1, 4-phenylenediboronic acid. Tetrahedron. 1997, 53 (45), 15553-74.
- For discussion of reaction with n-BuLi, including formation of dibenzyne, see: Org. Synth., 75, 201 (1997); see also 1,2,4,5-Tetrabromobenzene, L13539.