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5,5-Di­methyl-8,9-methyl­ene­dioxy-2,3-di­phenyl-5,6-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
142 KB
Volume
59
Category
Article
ISSN
1600-5368

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5,5-Di­methyl-2,3-di­phenyl-5,6-di­hydro
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✍ Wu, Hui ;Shi, Daqing ;Shi, Chunling ;Wang, Juxian ;Wang, Xiangshan ;Hu, Hongwen 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 458 KB

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 = 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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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.

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Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.002 A Ê R factor = 0.038 wR factor = 0.101 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.