CAS 1439-36-7

1-(Triphenylphosphoranylidene)-2-propanone

Description:

1-(Triphenylphosphoranylidene)-2-propanone, also known as a phosphoranylidene compound, is characterized by its unique structure that features a triphenylphosphine moiety attached to a ketone. This compound typically exhibits a high degree of stability due to the resonance stabilization provided by the triphenylphosphine group. It is often utilized in organic synthesis, particularly in reactions involving carbonyl compounds, where it can act as a nucleophile or a catalyst. The presence of the phosphoranylidene group enhances its reactivity, allowing it to participate in various chemical transformations, including Wittig reactions and other coupling reactions. In terms of physical properties, it is generally a solid at room temperature and may exhibit moderate solubility in organic solvents. Its applications extend to the fields of organic chemistry and materials science, where it can be used in the development of novel compounds and materials. Safety data should be consulted for handling and storage, as with any chemical substance.

Formula: C₂₁H₁₉OP

InChI: InChI=1S/C21H19OP/c1-18(22)17-23(19-11-5-2-6-12-19,20-13-7-3-8-14-20)21-15-9-4-10-16-21/h2-17H,1H3

InChI key: InChIKey=KAANTNXREIRLCT-UHFFFAOYSA-N

SMILES: P(=CC(C)=O)(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3

Synonyms:

• (2-Oxopropylidene)triphenylphosphorane
• (Acetonylidene)triphenylphosphorane
• (Acetylmethylene)triphenylphosphorane
• (Triphenylphosphoranylidene)-2-propanone
• (Triphenylphosphoranylidene)acetone
• 1-(Triphenyl-Lambda~5~-Phosphanylidene)Propan-2-One
• 1-(Triphenyl-λ⁵-phosphanylidene)propan-2-one
• 1-(Triphenylphosphanylidene)propan-2-one
• 1-(Triphenylphosphoranylidene)acetone
• 1-(Triphenylphosphorylidene)-2-propanone
• 2-Propanone, (triphenylphosphoranylidene)-
• 2-Propanone, 1-(triphenylphosphoranylidene)-
• 3-(Triphenylphosphoranylidene)-2-propanone
• Methyl (triphenylphosphoranylidene)methyl ketone
• NSC 407394
• Triphenyl(acetylmethylene)phosphorane

(Acetylmethylene)triphenylphosphorane

CAS: 1439-36-7

Formula: C₂₁H₁₉OP

Purity: >98.0%(GC)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 318.36

Ref: 3B-A1439

(Acetylmethylene)triphenylphosphorane, 99%

CAS: 1439-36-7

(Acetylmethylene)triphenylphosphorane is used as a Wittig reagent in synthetic chemistry, especially for the synthesis of functionalized pyrrolidines and cyclobutanones. It plays as a vital role in asymmetric allylboration for enantioselective synthesis of (+)-awajanomycin.It is also employed as a r

Formula: C₂₁H₁₉OP

Purity: 99%

Color and Shape: White to cream, Crystals or powder or crystalline powder

Molecular weight: 318.36

Ref: 02-A11410

1-(Triphenylphosphoranylidene)propan-2-one

CAS: 1439-36-7

Formula: C₂₁H₁₉OP

Purity: 95%

Color and Shape: Solid

Molecular weight: 318.3487

Ref: IN-DA00327E

(Triphenylphosphoranylidene)acetone

CAS: 1439-36-7

(Triphenylphosphoranylidene)acetone

Formula: C₂₁H₁₉OP

Purity: 98%

Color and Shape: off white powder

Molecular weight: 318.35g/mol

Ref: 54-OR10666

Palbociclib Impurity 17

CAS: 1439-36-7

Formula: C₂₁H₁₉OP

Molecular weight: 318.36

Ref: 4Z-P-196021

1-(Triphenylphosphoranylidene)propan-2-one

CAS: 1439-36-7

Formula: C₂₁H₁₉OP

Purity: 95%

Color and Shape: Solid, White - Almost white powder

Molecular weight: 318.356

Ref: 10-F215714

(Triphenylphosphoranylidene)acetone-13C3

Controlled Product

CAS: 1439-36-7

Formula: C₃C₁₈H₁₉OP

Color and Shape: Neat

Molecular weight: 321.327

Ref: TR-T128729

(Acetylmethylene)triphenylphosphorane

Controlled Product

CAS: 1439-36-7

Applications Wittig Reagent
References Yang, Z., et al.: Bioorg. Med. Chem., 17, 1071 (2009), Shearman, G., et al.: J. Mat. Chem., 19, 598 (2009),

Formula: C₂₁H₁₉OP

Color and Shape: Neat

Molecular weight: 318.35

Ref: TR-A186680