Application
The purpose of (8α, 9S)-(+)-9-Amino-cinchonan-6'-ol, min. 90%, is to facilitate a variety of complex organic reactions and transformations, including [2+3]-dipolar cycloaddition of cyclic enones and the activation of α,β-unsaturated carbonyl compounds, which encompasses processes like vinylogous α-ketol rearrangement and vinylogous Michael addition involving β-substituted α,β-unsaturated cyclohexanones. Additionally, this product supports Michael addition reactions, such as the coupling of α-nitroacetate to α,β-unsaturated ketones, and diastereodivergent Michael additions to α-substituted, α,β-unsaturated ketones. It also plays a vital role in the α-benzoyloxylation of α-branched aldehydes, facilitates [4+2]-cycloadditions involving β-substituted α,β-unsaturated cyclohexanones with polyconjugated malonitriles, and enables vinylogous organocascade catalysis, which is crucial for controlling remote stereochemistry in the synthesis of spirocyclic oxindoles.