6-Phenyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline
✍ Scribed by Mahendra, M ;Gayathri, V. ;Jayalakshmi, K. ;Rangappa, K. S. ;Sridhar, M. A. ;Shashidhara Prasad, J.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 388 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
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.
## Abstract Substituted 6‐oxo‐and 6‐thioxo‐5, 6‐dihydrobenzimidazo [1,2‐c] quinazo‐lines were prepared by cyclization of 5(6) and 4(7) substituted 2‐(__o__‐aminophenyl) benzimidazoles with chloroethyl formate respectively with carbon disulphide. The 5(6) and 4(7) substituted 2‐(__o__‐aminophenyl)
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.
In the title compound, C~12~H~12~O~3~, the heterocyclic ring adopts a half-chair conformation. C–H...O hydrogen bonds form a three-dimensional network.