Jump to content

Hexaphenylcarbodiphosphorane: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
Tag: New redirect
 
cut and paste move at this early stage
Tag: Removed redirect
Line 1: Line 1:
{{Chembox
#REDIRECT [[Carbobis(triphenylphosphorane)]]
| ImageFile = C(PPh3)2.png
| ImageSize =
| ImageAlt =
| IUPACName =
| OtherNames = bis(triphenylphosphoranylidene)methane, hexaphenylcarbodiphosphorane
|Section1={{Chembox Identifiers
| CASNo = 7533-52-0
| PubChem =
| SMILES = }}
|Section2={{Chembox Properties
| C=37|H=30|P=2
| MolarMass =
| Appearance = yellow solid
| Density = 1.205 g/cm<sup>3</sup>
| MeltingPtC = 198-201
| BoilingPt =
| Solubility = }}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt = }}
}}

'''Hexaphenylcarbodiphosphorane''' is the [[organophosphorus compound]] with the formula C(PPh<sub>3</sub>)<sub>2</sub> (where [[phenyl|Ph]] = C<sub>6</sub>H<sub>5</sub>). It is a yellow, moisture-sensitive solid. The compound is classified as an [[ylide]] and as such carries significant negative charge on carbon. It is isoelectronic with [[bis(triphenylphosphine)iminium chloride|bis(triphenylphosphine)iminium]]. The P-C-P angle is 131°.<ref>{{cite journal|title=Carbodiphosphoranes: The Chemistry of Divalent Carbon(0)|authors=Tonner, Ralf; Oexler, Florian; Neumueller, Bernhard; Petz, Wolfgang; Frenking, Gernot|journal= Angewandte Chemie, International Edition|year=2006|volume=45|pages=8038-8042|doi=10.1002/anie.200602552}}</ref> The compound was originally prepared by deprotonation of the [[phosphonium salt]] [HC(PPh<sub>3</sub>)<sub>2</sub>]Br using potassium.<ref>{{cite journal|authors=Ramirez, Fausto; Desai, N. B.; Hansen, B.; McKelvie, N.|title=Hexaphenylcarbodiphosphorane, (C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>P:C:P(C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>|journal=Journal of the American Chemical Society|year=1961|volume=83|pages=3539-40|doi=10.1021/ja01477a052}}</ref><ref>{{cite journal|authors=Petz, W.; Frenking, G., |title=Carbodiphosphoranes and Related Ligands|journal=Top. Organomet. Chem.|year=2010|volume=30|pages=49-92|doi=10.1007/978-3-642-04722-0_3}}</ref>

==References==
<references />

[[Category:Organophosphorus compounds]]

Revision as of 16:35, 17 July 2018

Hexaphenylcarbodiphosphorane
Names
Other names
bis(triphenylphosphoranylidene)methane, hexaphenylcarbodiphosphorane
Identifiers
Properties
C37H30P2
Molar mass 536.595 g·mol−1
Appearance yellow solid
Density 1.205 g/cm3
Melting point 198–201 °C (388–394 °F; 471–474 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Hexaphenylcarbodiphosphorane is the organophosphorus compound with the formula C(PPh3)2 (where Ph = C6H5). It is a yellow, moisture-sensitive solid. The compound is classified as an ylide and as such carries significant negative charge on carbon. It is isoelectronic with bis(triphenylphosphine)iminium. The P-C-P angle is 131°.[1] The compound was originally prepared by deprotonation of the phosphonium salt [HC(PPh3)2]Br using potassium.[2][3]

References

  1. ^ "Carbodiphosphoranes: The Chemistry of Divalent Carbon(0)". Angewandte Chemie, International Edition. 45: 8038–8042. 2006. doi:10.1002/anie.200602552. {{cite journal}}: Cite uses deprecated parameter |authors= (help)
  2. ^ "Hexaphenylcarbodiphosphorane, (C6H5)3P:C:P(C6H5)3". Journal of the American Chemical Society. 83: 3539–40. 1961. doi:10.1021/ja01477a052. {{cite journal}}: Cite uses deprecated parameter |authors= (help)
  3. ^ "Carbodiphosphoranes and Related Ligands". Top. Organomet. Chem. 30: 49–92. 2010. doi:10.1007/978-3-642-04722-0_3. {{cite journal}}: Cite uses deprecated parameter |authors= (help)CS1 maint: extra punctuation (link)