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9-Chloro-5,5-di­methyl-2,3-di­phenyl-2,3-di­hydro­imidazo­[1,2-c]­quinazoline

✍ Scribed by Shi, Daqing ;Wang, Juxian ;Shi, Chunling ;Rong, Liangce ;Wang, Xiangshan ;Hu, Hongwen


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

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9-Chloro-2,3-di­phenyl-5,6-di­hydro­imid
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Single-crystal X-ray study T = 193 K Mean '(C±C) = 0.002 A Ê R factor = 0.046 wR factor = 0.112 Data-to-parameter ratio = 16.5 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.

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Single-crystal X-ray study T = 291 K Mean '(C±C) = 0.003 A Ê R factor = 0.039 wR factor = 0.087 Data-to-parameter ratio = 12.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.