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3-(2,6-Di­chloro­phenyl)-8-ethyl-4-phenyl-1-oxa-6-thia-2,8-di­aza­spiro­[4.4]­non-2-ene-7,9-dione

✍ Scribed by Li, Xiao-Fang ;Feng, Ya-Qing ;Gu, Yun-Feng

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
184 KB
Volume
59
Category
Article
ISSN
1600-5368

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Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.054 wR factor = 0.131 Data-to-parameter ratio = 15.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title compound, C 35 H 24 Cl 6 N 2 O 3 , which was synthesized by the [3 + 2]-cycloaddition of 2,6-dichlorobenzonitrile oxide and 2,7-bis(4-chlorobenzylidene)cycloheptanone, contains two independent molecules in the asymmetric unit. Three rings are linked by two spiro-C atoms. The cycloheptanone