Three-Six-Membered Rings with Diverse Conformations in the Structure of 9-(4-Methoxyphenyl)-3,3-Dimethyl-10-(4-Methylphenyl)-1,2,3,4,5,6,7,8,9,10-Decahydroacridin-1,8-Dione |
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Authors: | Xiang-Shan Wang Mei-Mei Zhang Qing Li Jian-Rong Wu Chang-Sheng Yao |
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Affiliation: | (1) Department of Chemistry and Chemical Engineering, Xuzhou Normal University, Xuzhou, Jiangsu, 221116, China;(2) The Key Laboratory of Biotechnology on Medical Plant of Jiangsu Province, Xuzhou, 221116, China |
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Abstract: | Abstract The crystal structure of 9-(4-methoxyphenyl)-3,3-dimethyl-10-(4-methylphenyl)-1,2,3,4,5,6,7,8,9,10- decahydroacridin-1,8-dione is determined by X-ray diffraction at 153(2) K. The title compound 1, C22H21N5O6, is triclinic, space group P-1, a = 9.6382(15) ?, b = 11.5847(15) ?, c = 12.4722(11) ?, α = 66.075(9)°, β = 70.176(9)°, γ = 85.800(13)°, Z = 2, V = 1194.1(3) ?3. It is interesting that the central pyridine ring of the acridine moiety is slightly distorted and adopts a boat conformation. The outer six-membered ring with two methyl groups adopts half-chair conformation, while another outer partially saturated six-membered ring adopts distorted boat form. In addition, the un-classical hydrogen bonds of C–H···O link the molecules forming polymers in the crystals. |
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