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By Zhao-Hui Huang, Yong Chu and De-Yong Ye


The title compound, C20H16N2O4S, was prepared by introduction of a 2-nitro­benzyl group to 2-(furan-2-yl)-2,3-dihydro-1,5-benzothia­zepin-4(5H)-one via an alkaline-catalysed reaction. The thia­zepine ring adopts a twist-boat conformation. The furan ring is oriented at dihedral angles of 56.75 (14) and 10.82 (14)° with respect to the two benzene rings, while the two benzene rings make a dihedral angle of 62.96 (10)°. Weak inter­molecular C—H⋯O hydrogen bonds occur in the crystal structure

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

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  1. (2008). Acta Cryst. A64, 112–122. organic compounds o168 Huang et al. doi:10.1107/S1600536810052098 Acta Cryst.