(Benzoylmethylene)triphenylphosphorane

• Catalog No.: A12184
• CAS Number: 859-65-4
• M. F.: C26H21OP
• M. W.: 380.418101
• Purity: 98+%

SYNONYMS

• Title: (苯甲酰基亚甲基)三苯基膦
• IUPAC name: 1-phenyl-2-(triphenyl-λ^5-phosphanylidene)ethan-1-one
• IUPAC Traditional name: 1-phenyl-2-(triphenyl-λ^5-phosphanylidene)ethanone
• Synonyms: alpha-(Triphenylphosphoranylidene)acetophenone

DATABASE IDS

• MDL Number: MFCD00014088
• EC Number: 212-727-2
• Beilstein Number: 620285
• CAS Number: 859-65-4

PROPERTIES

• Purity: 98+%
• Melting Point: 183-186°C
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• RTECS: AN0540000
• Safety Statements: 26-37
• Storage Warning: Air Sensitive
• TSCA Listed: 否

REFERENCES

• Stable ylide which reacts with aldehydes to give ɑ?-unsaturated ketones. See Appendix 1. For preparation of unsubstituted vinyl ketones from this and related ylides with paraformaldehyde, see: Synthesis, 31 (1970).
• Can be converted by C-acylation to a diacylphosphorane, which can be oxidized to a 1,2,3-triketone. For reaction scheme, see N,O-Bis(trimethylsilyl)acetamide, L00183.