Chapter 15 & 16 Discussion

Synthesis problem

Retrosynthetic analysis (work backwards from product)

Synthesis plan (Show forward reactions with reagents)

Synthesis problem

Conjugation

How to prepare dienes?

How to prepare dienes?

Reactions of conjugated dienes

1,2- and 1,4 addition of HX and X2

Polymerization

Diels Alder cycloaddition

Addition of HX to dienes

kinetic

thermodynamic

Addition of X2 to dienes

kinetic

thermodynamic

Diels-Alder Cycloadditions: one-step preparation of cyclohexenes

Problem:Diels-Alder Reactants?