Organic Letters
Organic Letters
4 years ago

Asymmetric Synthesis of Cyclopenta[3,4]pyrroloindolones via N-Heterocyclic Carbene-Catalyzed Michael/Aldol/Lactamization Cascade Reaction

Asymmetric Synthesis of Cyclopenta[3,4]pyrroloindolones via N-Heterocyclic Carbene-Catalyzed Michael/Aldol/Lactamization Cascade Reaction
Xin-Ping Hui, Yu-Jie Yang, Yuanyuan Ji, Liangliang Qi, Guanjun Wang
The N-heterocyclic carbene-catalyzed asymmetric Michael/aldol/lactamization cascade reaction of enals and indole-derived enones for the synthesis of functionalized cyclopenta[3,4]pyrroloindolones with four consecutive stereogenic centers has been achieved. The products were obtained in good yield with high diastereoselectivity and excellent enantioselectivity.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01411

DOI: 10.1021/acs.orglett.7b01411

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