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'''Triphenylcarbethoxymethylenephosphorane''' is an [[organophosphorus compound]] with the [[chemical formula]] Ph<sub>3</sub>PCHCO<sub>2</sub>Et (Ph = [[phenyl]], Et = [[Ethyl group|ethyl]]). It is a white solid that is soluble in organic solvents.
'''Triphenylcarbethoxymethylenephosphorane''' is an [[organophosphorus compound]] with the [[chemical formula]] Ph<sub>3</sub>PCHCO<sub>2</sub>Et (Ph = [[phenyl]], Et = [[Ethyl group|ethyl]]). It is a white solid that is soluble in organic solvents.


The compound is a [[Wittig reagent]]. It is used to replace oxygen centres in ketones and aldehydes with CHCO<sub>2</sub>Et.<ref>{{ OrgSynth | author = Lang, R. W.; Hansen, H.-J. | year = 2009 | title = Allenic Esters From α-Phosphoranylidene Esters and Acid Chlorides: Ethyl 2,3-Pentadienoate | collvol = 7 | collvolpages = 232 | prep = CV7P0232 }}</ref>
The compound is a [[Wittig reagent]]. It is used to replace oxygen centres in ketones and aldehydes with CHCO<sub>2</sub>Et.<ref>{{ OrgSynth | author = Lang, R. W.; Hansen, H.-J. | year = 2009 | title = α-Allenic Esters From α-Phosphoranylidene Esters and Acid Chlorides: Ethyl 2,3-Pentadienoate | collvol = 7 | collvolpages = 232 | prep = CV7P0232 }}</ref>


==References==
==References==

Revision as of 04:21, 20 May 2012

Triphenylcarbethoxymethylenephosphorane
Names
Other names
(2-Ethoxy-2-oxoethylidene)triphenylphosphorane

(Carbethoxymethylene)triphenylphosphorane
(Carbethoxymethylidene)triphenylphosphorane
(Ethoxycarbonylmethylidene)triphenylphosphorane

Ethyl (triphenylphosphoranylidene)acetate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.865 Edit this at Wikidata
  • InChI=1/CH2N2O4/c4-2(5)1-3(6)7/h1H2
  • O=C(OCC)C=P(c1ccccc1)(c2ccccc2)c3ccccc3
Properties
C22H21O2P
Molar mass 348.382 g·mol−1
Melting point 124-129 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Triphenylcarbethoxymethylenephosphorane is an organophosphorus compound with the chemical formula Ph3PCHCO2Et (Ph = phenyl, Et = ethyl). It is a white solid that is soluble in organic solvents.

The compound is a Wittig reagent. It is used to replace oxygen centres in ketones and aldehydes with CHCO2Et.[1]

References

  1. ^ Lang, R. W.; Hansen, H.-J. (2009). "α-Allenic Esters From α-Phosphoranylidene Esters and Acid Chlorides: Ethyl 2,3-Pentadienoate". Organic Syntheses{{cite journal}}: CS1 maint: multiple names: authors list (link); Collected Volumes, vol. 7, p. 232.