Reaction Scheme
aldehyde or ketone + phosphonium ylide -> alkeneOften run in ether, THF, or hydrocarbon solvents depending on ylide stability.
Primary reaction SMILES: O=Cc1ccccc1.C=P(c1ccccc1)(c1ccccc1)c1ccccc1>>C=Cc1ccccc1
Organic reaction
Wittig Reaction
The Wittig reaction converts aldehydes or ketones into alkenes using a phosphonium ylide. It is one of the most searched named reactions for alkene synthesis.
Two Common Examples
Benzaldehyde to styrene
Benzaldehyde plus methylene ylide gives styrene.
Cyclohexanone olefination
Cyclohexanone can be converted to methylenecyclohexane.
MolDraw Use
Open the reaction in MolDraw to edit reactant labels, add conditions, or export a clean scheme.