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Organocatalytic Sequential Hetero-Diels–Alder and Friedel–Crafts Reaction: Constructions of Fused Heterocycles with Scaffold Diversity

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journal contribution
posted on 22.02.2016, 17:21 by Si-Li Zhou, Jun-Long Li, Lin Dong, Ying-Chun Chen
A highly enantioselective aza-Diels–Alder and Friedel–Crafts reaction sequence of N-sulfonyl-1-aza-1,3-butadienes and aliphatic aldehydes tethered to an arene motif has been developed, affording the fused chiral piperidine frameworks with a versatile scaffold diversity. A similar strategy has been applied for the construction of complex chiral tetrahydroquinoxaline structures.