(1-Ethoxycarbonylethylidene)triphenylphosphorane

• Catalog No.: A15619
• CAS Number: 5717-37-3
• M. F.: C23H23O2P
• M. W.: 362.401281
• Purity: 97%

SYNONYMS

• Title: (1-乙氧基羰基乙基亚乙基)三苯基磷烷
• IUPAC name: ethyl 2-(triphenyl-λ^5-phosphanylidene)propanoate
• IUPAC Traditional name: ethyl 2-(triphenyl-λ^5-phosphanylidene)propanoate
• Synonyms: (1-Carboethoxyethylidene)triphenylphosphorane; Ethyl 2-(triphenylphosphoranylidene)propionate

DATABASE IDS

• EC Number: 227-215-4
• Beilstein Number: 757112
• MDL Number: MFCD00009160
• CAS Number: 5717-37-3

PROPERTIES

• Purity: 97%
• Melting Point: 154-160°C
• Storage Warning: Air Sensitive
• TSCA Listed: 否

REFERENCES

• Stable ylide which reacts with aldehydes to give ?-substituted methacrylic esters. See Appendix 1.
• With acyl halides, gives allenic esters: Helv. Chim. Acta, 63, 438 (1980); Org. Synth. Coll., 7, 232 (1990):
  
• Reacts with the carbonyl group of succinic anhydride giving an intermediate useful in the synthesis of 2,2-dialkylcyclopentane-1,3-diones: Synthesis, 845 (1986):