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2a,5a-Di­chloro-4-methyl-1-methyl­ene-2-phenyl-2a,5a-di­hydro­cyclo­buta­[c]­pyrrole-3,5-dione

✍ Scribed by Zhang, Shu-Sheng ;Hu, Hua-You ;Xu, Jian-Hua ;Li, Xue-Mei ;Fun, Hoong-Kun

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

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✦ Synopsis

The structure of (I), showing 50% probability displacement ellipsoids and the atom-numbering scheme.

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Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.047 wR factor = 0.128 Data-to-parameter ratio = 10.4 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 24 H 21 N 3 , was synthesized by the reaction of 4,5-diphenyl-2-(2-nitrophenyl)imidazole with acetone, induced by a low-valent titanium reagent (TiCl 4 / Zn). The dihydropyrimidine ring shows a skew-boat conformation.