The enantioselective double Michael reaction of benzofuranone with dienones catalyzed by Cinchona‐based primary amines was developed. A number of optically active spirocyclic benzofuranones were obtained in up to 89% yield and 91% ee .
No takes yet. Share an insight, caveat, or question.
Luo et al. (2012) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: