Synthesis of 1,6-disubstituted 2,4-pyridinediones from 5-acetoacetyl-2,2-dimethyl-1,3-dioxane-4,6-dione
โ Scribed by D. B. Rubinov; T. A. Zheldakova; I. L. Rubinova
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2004
- Tongue
- English
- Weight
- 56 KB
- Volume
- 40
- Category
- Article
- ISSN
- 1070-4280
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Single-crystal X-ray study T = 297 K Mean (C-C) = 0.004 A Disorder in main residue R factor = 0.076 wR factor = 0.204 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 7 H 9 NO 4 , the 1,3-dioxane-4,6-dione ring exhibits an envelope conformation. Intermolecular hydrogen bonds connect the molecules into chains. One intramolecular N-Hร ร รO hydrogen bond to a carbonyl O atom is also observed, forming a six-membered ring.