Reaction
1. [2+3]-dipolar cycloaddition of cyclic enones.
2. Activation of α,β-unsaturated carbonyl compounds:
a) vinylogous α-ketol rearrangement.
b) vinylogous Michael addition of β-substituted α,β-unsaturated cyclohexanones.
3. Michael addition
a) α-nitroacetate to α,β-unsaturated ketones.
b) Diastereodivergent Michael addition to α-substituted, α,β-unsaturated ketones.
4. α-benzoyloxylation of α-branched aldehydes.
5. [4+2]-cycloadditions of β-substituted α,β-unsaturated cyclohexanones with polyconjugated malonitriles.
6. Vinylogous organocascade catalysis with control of remote stereochemistry in the synthesis of spirocyclic oxindoles.
