19. Aldehydes and Ketones:Nucleophilic Addition - Parte 3 di 7!

21. Aldehydes and Ketones: Nucleophilic Addition / Imines vs Enamines / Problema 7

Problema 7

What is the best pair of a phosphonium ylide (derived from an alkyl halide) and a carbonyl compound for synthesizing the given alkene?

Reaction scheme showing a carbonyl compound and phosphonium ylide for alkene synthesis.

Reaction scheme with a different phosphonium ylide and carbonyl compound for alkene synthesis.

Reaction scheme illustrating another carbonyl compound and phosphonium ylide for alkene synthesis.

The compound cannot be synthesized via the Wittig reaction.