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Acta Cryst. (2013). E69, o1031-o1032  [ doi:10.1107/S1600536813014943 ]

8-Chloromethyl-5-(2,5-dioxooxolan-3-yl)-3,3a,4,5-tetrahydro-1H-naphtho[1,2-c]furan-1,3-dione

Y. Z. Guo, Y. Z. Song, J. G. Liu and S. Y. Yang

Abstract: The title compound, C17H13ClO6, is an asymmetric alicyclic dianhydride containing a chloromethyl-substituted tetrahydronaphthalene moiety. The cyclohexene ring in the tetrahydronaphthalene moiety exhibits an envelope conformation with the tertiary C atom as the flap The dihedral angle between the two anhydride rings is 79.96 (6)°, while those between the benzene ring and the non-fused and fused anhydride rings are 71.03 (5) and 42.57 (7)°, respectively. In the crystal, molecules are connected by weak C-H...O interactions, forming a three-dimensional supramolecular structure.


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