Answer to Question #128800 in Organic Chemistry for Kamli Ramli

Question

Give reterosynthesis and synthesis reaction of (E)-pent-3-en-2-one.

Answer 1

E-butenoyl chloride and grignard reagent like CH₃MgBr react and to form

E-pent-3-en-2-one.

This is the synthesis and reterosynthesis of corresponding compound.