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Crystal structure and Hirshfeld surface analysis of diethyl (3aS,3a1R,4S,5S,6R,6aS,7R,9aS)-3a1,5,6,6a-tetrahydro-1H,3H,4H,7H-3a,6:7,9a-diepoxybenzo[de]isochromene-4,5-dicarboxylate
(2023) Sadikhova, Nurlana D; Atioğlu, Zeliha; Guliyeva, Narmina A; Podrezova, Alexandra G; Nikitina, Eugeniya V; Akkurt, Mehmet; Bhattarai, Ajaya
In the title compound, C18H22O7, two hexane rings and an oxane ring are fused together. The two hexane rings tend toward a distorted boat conformation, while the tetrahydrofuran and dihydrofuran rings adopt envelope conformations. The oxane ring is puckered. The crystal structure features C—H?O hydrogen bonds, which link the molecules into a three-dimensional network. According to a Hirshfeld surface study, H?H (60.3%) and O?H/H?O (35.3%) interactions are the most significant contributors to the crystal packing.