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Synthesis of 1,6-disubstituted 2,4-pyridinediones from 5-acetoacetyl-2,2-dimethyl-1,3-dioxane-4,6-dione

โœ 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

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5-(Anilinomethylยญene)-2,2-dimethyl-1,3-d
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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.

5-(Aminoยญmethylยญene)-2,2-dimethyl-1,3-di
โœ da Silva, Luiz Everson ;Joussef, Antonio Carlos ;Silva, Luciano Luiz ;Foro, Sabi ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› International Union of Crystallography ๐ŸŒ English โš– 248 KB

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 รO hydrogen bond to a carbonyl O atom is also observed, forming a six-membered ring.