𝔖 Bobbio Scriptorium
✦   LIBER   ✦

(3S)-3-Benzyl­oxymethyl-1,4-dioxane-2,5-dione

✍ Scribed by Kooijman, Huub ;Leemhuis, Mark ;Nostrum, Cornelus F. van ;Hennink, Wim E. ;Spek, Anthony L.

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
195 KB
Volume
61
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.

✦ Synopsis

The lactide ring in the title compound, C 12 H 12 O 5 , adopts a screw-boat conformation. C-HÁ Á ÁO interactions link the molecules into a chain in the [100] direction.

📜 SIMILAR VOLUMES

(3S,6R)-3-Benzyl­oxymeth­yl-6-meth­yl-1,
(3S,6R)-3-Benzyl­oxymeth­yl-6-meth­yl-1,4-dioxane-2,5-dione
✍ Kooijman, Huub ;Leemhuis, Mark ;Nostrum, Cornelus F. van ;Hennink, Wim E. ;Spek, 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 193 KB

The ring itself has a somewhat flattened twist-boat conformation. C-HÁ Á ÁO interactions join the molecules into a twodimensional network running parallel to the (101) plane.

(3S,6S)-3-Benzyl­oxymeth­yl-6-meth­yl-1,
(3S,6S)-3-Benzyl­oxymeth­yl-6-meth­yl-1,4-dioxane-2,5-dione
✍ Kooijman, Huub ;Leemhuis, Mark ;van Nostrum, Cornelus F. ;Hennink, Wim E. ;Spek, 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 184 KB

The ring itself has a boat conformation. C-HÁ Á ÁO interactions link the molecules into a chain in the [010] direction.

5-(Anilinomethyl­ene)-2,2-dimethyl-1,3-d
5-(Anilinomethyl­ene)-2,2-dimethyl-1,3-dioxane-4,6-dione
✍ Vencato, Ivo ;Cunha, Silvio ;Ferrari, Jailton ;Sabino, Jose R. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 146 KB

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.

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.

5-(Amino­methyl­ene)-2,2-dimethyl-1,3-di
5-(Amino­methyl­ene)-2,2-dimethyl-1,3-dioxane-4,6-dione
✍ da Silva, Luiz Everson ;Joussef, Antonio Carlos ;Silva, Luciano Luiz ;Foro, Sabi 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 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-HÁ Á ÁO hydrogen bond to a carbonyl O atom is also observed, forming a six-membered ring.