Triphenylcarbethoxymethylenephosphorane
Names | |
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Other names
(2-Ethoxy-2-oxoethylidene)triphenylphosphorane (Carbethoxymethylene)triphenylphosphorane | |
Identifiers | |
1099-45-2 | |
3D model (Jmol) | Interactive image |
ChemSpider | 63836 |
ECHA InfoCard | 100.012.865 |
PubChem | 24892754 |
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Properties | |
C22H21O2P | |
Molar mass | 348.38 g·mol−1 |
Melting point | 124 to 129 °C (255 to 264 °F; 397 to 402 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
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
- ↑ Lang, R. W.; Hansen, H.-J. (1984). "α-Allenic Esters from α-Phosphoranylidene Esters and Acid Chlorides: Ethyl 2,3-Pentadienoate" (PDF). Org. Synth. 62: 202.; Coll. Vol., 7, p. 232
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