Ethoxycarbonylmethylene 1099-45-2

(Carbethoxymethylene)triphenyl Phosphorane

About This Product:

CAS Number                              : 1099-45-2

Molecular Weight                     : 348.37

Molecular Formula                 : C22H21O2P

Linear Formula                       : (C6H5)3P=CHCO2CH2CH3

Synonym(s)                             : Ethyl (triphenylphosphoranylidene) acetate, CMTPP, (Ethoxycarbonylmethylene) triphenylphosphorane,
(Triphenylphosphoranylidene) acetic Acid Ethyl Ester, Acetic acid, (triphenylphosphoranylidene)- ethyl                                                           Acetic acid, (triphenylphosphoranylidene)- ethyl ester, Ethyl 2-(triphenylphosphoranylidene) acetate.

Category: Tags: ,

Physical Properties:

Appearance                                      : White to off-white colored solid

Purity                                                 : ≥ 95% (HPLC)

Melting Point                                    : 126°C – 130°C

Storage Temperature                      : 2°C to 8°C

Conditions to avoid                         : Air sensitive and Heat sensitive

LOD (at 80 ± 5°C)                           : NMT 0.50%

Solubility                                            : Soluble in Methanol

Description :(Carbethoxymethylene)triphenyl Phosphorane  1099-45-2, Is a Horner-Wittig reagent generally used in Horner−Wadsworth−Emmons (HWE) reaction. It is used as a reagent in the total synthesis of compounds such as Oseltamivir, Nakadomarin and (−)-Dictyostatin.

 

 

 

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What makes (Carbethoxymethylene)triphenyl Phosphorane (CAS 1099-45-2) ideal for synthetic chemistry?
(Carbethoxymethylene)triphenyl Phosphorane (CAS 1099-45-2) is a valuable Wittig reagent used to form carbon–carbon double bonds efficiently. Its well-defined reactivity makes it indispensable for medicinal chemistry, material science, and fine chemical synthesis projects.
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