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By Yu-Xin He, Jin-Wei Wu, Rong-Sheng Tong, Jin-Qi Li and Jian-You Shi


In the title compound, C15H13NO4, the conjugated double-bond system between the two rings adopts a cis configuration and there is an intra­molecular indole–ketone C—H⋯O inter­action. The indole N—H group forms an inter­molecular hydrogen bond with a ketone O-atom acceptor, giving a chain structure along the ab direction. The O-heterocyclic ring adopts a boat conformation and makes a dihedral angle of 16.72 (6)° with the indole ring system

Topics: Organic Papers
Publisher: International Union of Crystallography
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Provided by: PubMed Central

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