1,3,5-Trifluoro-2,4,6-triiodobenzene Struktur

1,3,5-Trifluoro-2,4,6-triiodobenzene

Bezeichnung:1,3,5-Trifluoro-2,4,6-triiodobenzene

CAS-Nr84322-56-5

Englisch Name:1,3,5-Trifluoro-2,4,6-triiodobenzene

CBNumberCB0180452

SummenformelC6F3I3

Molgewicht509.77

MOL-Datei84322-56-5.mol

1,3,5-Trifluoro-2,4,6-triiodobenzene physikalisch-chemischer Eigenschaften

Schmelzpunkt	152℃
Siedepunkt	352.4±37.0 °C(Predicted)
Dichte	3.029±0.06 g/cm3(Predicted)
storage temp.	2-8°C(protect from light)
Aggregatzustand	Solid
Aussehen	Off-white to light brown Solid
Wasserlöslichkeit	Slightly soluble in water.
Sensitive	Light Sensitive
InChI	InChI=1S/C6F3I3/c7-1-4(10)2(8)6(12)3(9)5(1)11
InChIKey	NTAZOPPTLZSXQH-UHFFFAOYSA-N
SMILES	C1(F)=C(I)C(F)=C(I)C(F)=C1I
CAS Datenbank	84322-56-5(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xi
HazardClass	IRRITANT
HS Code	2903998090

Gefahreninformationscode (GHS)

1,3,5-Trifluoro-2,4,6-triiodobenzene Chemische Eigenschaften,Einsatz,Produktion Methoden

Verwenden
1,3,5-Trifluoro-2,4,6-triiodobenzene is useful for biological applications. Further, it is used as an intermediate in organic synthesis.
Synthese

372-38-3

84322-56-5

The general procedure for the synthesis of 1,3,5-trifluoro-2,4,6-triiodobenzene from 1,3,5-trifluorobenzene was as follows: potassium iodide (KI, 7.14 g, 43.56 mmol) was slowly added to a stirring mixture of periodate (3.30 g, 14.50 mmol) and concentrated sulfuric acid (20 mL) at 0 °C. The resulting dark-colored mixture was cooled in an ice bath while 1,3,5-trifluorobenzene (1.0 mL, 9.68 mmol) was added dropwise over 25 min. Subsequently, the reaction mixture was heated to 70 °C and maintained at this temperature for 4 hours. After completion of the reaction, the mixture was cooled to room temperature and poured into ice water. Extraction was carried out with ether (3 x 50 mL) and the organic phases were combined. The organic phase was washed sequentially with saturated aqueous sodium bicarbonate (NaHCO3), aqueous sodium thiosulfate (Na2S2O3) and distilled water, and then dried with anhydrous sodium sulfate (Na2SO4). After evaporation to remove the solvent, the pure white powdery product 1,3,5-trifluoro-2,4,6-triiodobenzene was obtained in 80% yield. The product was characterized as follows: 19F NMR (CDCl3, 235MHz): δ-69.90ppm; melting point: 158-159°C; FT-IR (KBr pressed sheet, cm-1): 1561, 1401, 1325, 1048, 704, 652.
Einzelnachweise
[1] Chemistry - A European Journal, 2018, vol. 24, # 56, p. 15003 - 15012
[2] European Journal of Organic Chemistry, 2002, # 23, p. 3927 - 3935
[3] Chemical Communications, 2008, # 14, p. 1635 - 1637
[4] Chemical Communications, 2017, vol. 53, # 69, p. 9590 - 9593
[5] Molecules, 2017, vol. 22, # 12,

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