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Catalyst-free synthesis of novel dimeric β-carboline derivatives via an unexpected [2 + 2 + 2] annulation

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Abstract

We report here an unexpected catalyst-free [2 + 2 + 2] annulation reaction which allows access to novel complex dimeric β-carboline derivatives in a single step. Various substituted ynones could react with dihydro-β-carboline imines to deliver interesting [2 + 2 + 2] annulation products in moderate to good yields. Alkynoates can also be tolerated in this system.

Graphical abstract: Catalyst-free synthesis of novel dimeric β-carboline derivatives via an unexpected [2 + 2 + 2] annulation

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Publication details

The article was received on 21 Mar 2017, accepted on 11 Apr 2017 and first published on 12 Apr 2017


Article type: Communication
DOI: 10.1039/C7OB00689F
Citation: Org. Biomol. Chem., 2017, Advance Article
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    Catalyst-free synthesis of novel dimeric β-carboline derivatives via an unexpected [2 + 2 + 2] annulation

    H. Cui, J. Wang, H. Zhou, X. You and X. Jiang, Org. Biomol. Chem., 2017, Advance Article , DOI: 10.1039/C7OB00689F

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