(Triphenylphosphoranylidene)ketene
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(Triphenylphosphoranylidene)ketene ??
- ???
- 167-173 °C
- ?? ?
- 455.4±38.0 °C(Predicted)
- ??
- 1.12±0.1 g/cm3(Predicted)
- ??? ??
- solid
(Triphenylphosphoranylidene)ketene C??? ??, ??, ??
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A nucleophilic two-carbon building block that participates in a variety of reactions including cycloaddition, multi-component, and domino reactions.?? ??
(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).
(Triphenylphosphoranylidene)ketene ?? ?? ? ???
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(Triphenylphosphoranylidene)ketene ?? ??
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