Gold-catalyzed [5+2] cycloaddition of quinolinium zwitterions and allenamides as an efficient route to fused 1,4-diazepines

Gold-catalyzed [5+2] cycloaddition of quinolinium zwitterions and allenamides as an efficient route to fused 1,4-diazepines

Herein, we demonstrate a new catalytic cycloaddition of quinolinium zwitterions involving a gold-bound allylic cation intermediate. This ligand-free higher-order cycloaddition efficiently affords a variety of fused 1,4-diazepine derivatives in a stereospecific manner at room temperature.

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (50), p.6911-6914
Hauptverfasser: De, Nirupam, Song, Choong Eui, Ryu, Do Hyun, Yoo, Eun Jeong
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Cycloaddition
Gold
Zwitterions
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Zusammenfassung:Herein, we demonstrate a new catalytic cycloaddition of quinolinium zwitterions involving a gold-bound allylic cation intermediate. This ligand-free higher-order cycloaddition efficiently affords a variety of fused 1,4-diazepine derivatives in a stereospecific manner at room temperature.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc02570c