Docstoc

Triphenylcarbethoxymethylenephosphorane

Document Sample
Triphenylcarbethoxymethylenephosphorane Powered By Docstoc
					Triphenylcarbethoxymethylenephosphorane
From Wikipedia, the free encyclopedia

Triphenylcarbethoxymethylenephosphorane is an organophosphorus           Triphenylcarbethoxymethylenephosphorane
compound with the chemical formula Ph3 PCHCO2 Et (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 CHCO 2 Et.[1]

References
   1. ^ Lang, R. W.; Hansen, H.-J. (1984), "α-Allenic Esters from α-
      Phosphoranylidene Esters and Acid Chlorides: Ethyl 2,3-
      Pentadienoate"    , Org. Synth. 62: 202; Coll. Vol. 7: 232


                                                                                              Other names
via Triphenylcarbethoxymethylenephosphorane
                                                                             (2-Ethoxy-2-oxoethylidene)triphenylphosphorane
                                                                               (Carbethoxymethylene)triphenylphosphorane
                                                                              (Carbethoxymethylidene)triphenylphosphorane
                                                                            (Ethoxycarbonylmethylidene)triphenylphosphorane
                                                                                 Ethyl (triphenylphosphoranylidene)acetate
                                                                                                 Identifiers
                                                                         CAS number                     1099-45-2
                                                                         PubChem                        24892754
                                                                         ChemSpider                     63836
                                                                         Jmol-3D images                 Image 1
                                                                                                  SMILES
                                                                         O=C(OCC)C=P(c1ccccc1)(c2ccccc2)c3ccccc3

                                                                                                   InChI
                                                                         InChI=1/CH2N2O4/c4-2(5)1-3(6)7/h1H2

                                                                                                 Properties
                                                                         Molecular formula              C22 H21 O 2 P
                                                                         Molar mass                     348.37 g mol−1
                                                                         Melting point                  124-129 °C

                                                                         Except where noted otherwise, data are given for materials
                                                                                 in their standard state (at 25 °C, 100 kPa)
                                                                                             Infobox references

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:12
posted:9/9/2012
language:Unknown
pages:1