Highly Enantioselective Synthesis of Spiro [cyclohexanone‐oxindoles] and Spiro [cyclohexanone‐pyrazolones] by Asymmetric Cascade [5+ 1] Double Michael Reactions.

DOI Number:

10.1002/ejoc.201101529

Reaction Category:

Educt:

substituted penta-1,4-dien-3-one, oxindoles

Product:

Spiro [cyclohexanone‐oxindoles]

Catalyst:

N-tert-Butoxycarbonyl-D-phenylglycine, (8α,9S)-6′-Methoxycinchonan-9-amine

Cas No:

168960-95-0

Cas No:

130-95-0