Identification | Back Directory | [Name]
(Triphenylphosphoranylidene)ketene | [CAS]
15596-07-3 | [Synonyms]
Bestmann Ylide Ketenylidene(triphenyl)phosphorane (Triphenylphosphoranylidene)ketene 2-triphenylphosphoranylideneethenone (Triphenylphosphoranylidene)ethenone Ethenone, 2-(triphenylphosphoranylidene)- 2-(triphenyl-$l^{5}-phosphanylidene)ethenone Ketenylidene(triphenyl)phosphorane
Bestmann Ylide (Triphenylphosphoranylidene)ethenone, Bestmann ylide, Ketenylidene(triphenyl)phosphorane | [Molecular Formula]
C20H15OP | [MDL Number]
MFCD00040613 | [MOL File]
15596-07-3.mol | [Molecular Weight]
302.31 |
Hazard Information | Back Directory | [Uses]
A nucleophilic two-carbon building block that participates in a variety of reactions including cycloaddition, multi-component, and domino reactions. | [Preparation]
(Triphenylphosphoranylidene)ketene (Ketenylidenetriphenylphosphorane) is prepared most conveniently by a β-elimination from
(Methoxycarbonylmethylene)triphenylphosphorane using Sodium Hexamethyldisilazide or Sodium
Amide as a base (eq 1).
 | [reaction suitability]
reaction type: C-C Bond Formation | [storage]
(Triphenylphosphoranylidene)ketene is absence of moisture and air is necessary. |
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Energy Chemical
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