Efficient Synthesis of 4,4‘-Bi-1 H -imidazol-2-ones from 5-Amino-α-imino-1 H -imidazole-4-acetonitriles and Isocyanates
✍ Scribed by Dias, Alice M.; Cabral, Isabel; Proença, M. Fernanda; Booth, Brian L.
- Book ID
- 127341736
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 119 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0022-3263
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The title compound, C 12 H 15 N 3 O, crystallizes with four independent molecules in the asymmetric unit. The fivemembered heterocyclic rings are essentially planar. The crystal packing is stabilized by intra-and intermolecular hydrogen bonds andstacking interactions.
In the title compound, C 19 H 19 N 3 O, the five-membered imidazolone ring is essentially planar. Intermolecular N-HÁ Á ÁO hydrogen bonds form an infinite chain. The C-N and C-C bond lengths indicate electron delocalization.
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A simple method for the synthesis of various 3-(4,5-dihydro-1H-imidazole-2-yl)-1H-indoles is described. Treatment of different substituted indoles with 1-acetyl-imidazolidin-2-one in the presence of phosphorus oxychloride afforded after hydrolysis in ethanol the corresponding 3-(4,5-dihydro-1H-imida