Chemistry:Tetraphenylethylene

From HandWiki
Tetraphenylethylene
Tetraphenylethylene.svg
Tetraphenylethylene-from-xtal-view-2-3D-bs-17.png
Names
Preferred IUPAC name
1,1′,1′′,1′′′-Ethenetetrayltetrabenzene
Other names
1,1,2,2-Tetraphenylethene
Tetraphenylethylene
Identifiers
3D model (JSmol)
789087
ChemSpider
UNII
Properties
C26H20
Molar mass 332.446 g·mol−1
Appearance yellow solid
Density 1.088 g/cm3
Melting point 224 to 225 °C (435 to 437 °F; 497 to 498 K)
Boiling point 424 °C (795 °F; 697 K)[1]
Hazards
Flash point 206.2 °C (403.2 °F; 479.3 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is ☑Y☒N ?)
Infobox references
Tracking categories (test):

Tetraphenylethene (TPE) is an organic chemical compound with the formula Ph2C=CPh2, where Ph = phenyl (C6H5). It has been described as a yellow solid, but single crystals are colorless. The molecule is crowded such that all four phenyl groups are twisted out of the plane defined by the center six carbon atoms.[2] Tetraphenylethene is used as a precursor to other organic compounds, often in the area of supramolecular chemistry.

Synthesis

Tetraphenylethene can be synthesized from diphenyldichloromethane.[3][4]

References

  1. Lewis, Irwin C.; T. Edstrom (1963). "Thermal Reactivity of Polynuclear Aromatic Hydrocarbons". The Journal of Organic Chemistry 28 (8): 2050–2057. doi:10.1021/jo01043a025. 
  2. Hoekstra, A.; Vos, A. (1975). "The Crystal and Molecular Structures of Tetraphenylhydrazine and Related Compounds at –160°C. II. The Crystal Structures of Tetraphenylethylene (TPE) and Diphenylaminotriphenylmethane (DTM)". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry 31 (6): 1716–1721. doi:10.1107/S0567740875005973. 
  3. Inaba, S (1982). "Metallic nickel as a reagent for the coupling of aromatic and benzylic halides". Tetrahedron Letters 23 (41): 4215–4216. doi:10.1016/S0040-4039(00)88707-9. 
  4. Robert E. Buckles George M. Matlack (1951). "Tetraphenylethylene". Organic Syntheses 31: 104. doi:10.15227/orgsyn.031.0104.