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2,4,6-Tris{[(S)-1-hydr­oxy-3-methyl­butan-2-ylamino]methyl­ene}cyclo­hexane-1,3,5-trione

✍ Scribed by Suresh, P. ;Varghese, Babu ;Varadarajan, T. K. ;Viswanathan, B.

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
320 KB
Volume
63
Category
Article
ISSN
1600-5368

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6,6-Di­methyl-2-(1-methyl­ethenyl)-3,4,5
6,6-Di­methyl-2-(1-methyl­ethenyl)-3,4,5-tris­(1-methylethylidene)-1-(2-methyl­propen-1-yl)cyclo­hexane
✍ Jones, Peter G. ;Bubenitschek, Peter ;Hopf, Henning ;Höpfner, Thomas 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 232 KB

The title compound, C 24 H 36 , crystallizes with two independent but very similar molecules in the asymmetric unit. The ring torsion angles about the double bonds are ca 13 ; the ring sp 2 bond angles at the three radialene-type junctions are ca 110 .

2,2-Dimethyl-5-[(1,2,4-triazin-3-ylamino
2,2-Dimethyl-5-[(1,2,4-triazin-3-ylamino)methyl­ene]-1,3-dioxane-4,6-dione
✍ Joussef, Antonio C. ;Silva, Luiz Everson da ;Bortoluzzi, Adailton J. ;Foro, Sabi 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 206 KB

In the title compound, C 10 H 10 N 4 O 4 , the triazine ring is nearly planar. The 1,3-dioxane-4,6-dione ring exhibits a half-chair conformation. The molecule is disordered and the structure has been refined using a split model.