(Acetylmethylene)triphenylphosphorane

• Catalog No.: A11410
• CAS Number: 1439-36-7
• M. F.: C21H19OP
• M. W.: 318.348721
• Purity: 99%

SYNONYMS

• Title: (乙酰亚甲基)三苯基磷烷
• IUPAC name: 1-(triphenyl-λ^5-phosphanylidene)propan-2-one
• IUPAC Traditional name: 1-(triphenyl-λ^5-phosphanylidene)propan-2-one
• Synonyms: 1-(Triphenylphosphoranylidene)-2-propanone

DATABASE IDS

• MDL Number: MFCD00008774
• EC Number: 215-878-2
• Beilstein Number: 750077
• CAS Number: 1439-36-7

PROPERTIES

• Purity: 99%
• Melting Point: 204-209°C
• RTECS: UC3900000
• Storage Warning: Air Sensitive
• TSCA Listed: 否

REFERENCES

• Stabilized ylide which converts aldehydes to methyl ɑ?-enones (see Appendix 1). Metallation with n-BuLi and alkylation, followed by Wittig reaction with an aldehyde provides a route to ɑ?-unsaturated ketones: J. Org. Chem., 38, 4082 (1973); Synth. Commun., 8, 579 (1979):
  
• For C-acylation followed by oxidation of the resulting diacylphosphoranes to give 1,2,3-triketones, see N,O-Bis(trimethylsilyl)acetamide, L00183.