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5,5-Di­methyl-2,3-di­phenyl-5,6-di­hydro­imidazo­[1,2-c]­quinazoline

✍ Scribed by Wu, Hui ;Shi, Daqing ;Shi, Chunling ;Wang, Juxian ;Wang, Xiangshan ;Hu, Hongwen ;Yu, Kaibei

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
458 KB
Volume
60
Category
Article
ISSN
1600-5368

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✦ Synopsis

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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9-Chloro-2,3-di­phenyl-5,6-di­hydro­imid
9-Chloro-2,3-di­phenyl-5,6-di­hydro­imidazo­[1,2-c]­quinazolin-5-one N,N-di­methyl­form­amide solvate
✍ Shi, Da-Qing ;Li, Zheng-Yi ;Shi, Chun-Ling ;Zhuang, Qi-Ya ;Wang, Xiang-Shan ;Zha 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 312 KB

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.

2-Amino-4-phenyl-5,6-di­hydro­benzo­[h]­
2-Amino-4-phenyl-5,6-di­hydro­benzo­[h]­quinazoline
✍ Wang, Xiangshan ;Shi, Daqing ;Tu, Shujiang ;Yu, Kaibei 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 142 KB

Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.002 A Ê R factor = 0.038 wR factor = 0.102 Data-to-parameter ratio = 12.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.