𝔖 Bobbio Scriptorium
✦   LIBER   ✦

4-(Di­methyl­amino)­pyridinium 2-butoxy-3-di­cyano­methyl­ene-4-oxo­cyclo­but-1-en-1-olate

✍ Scribed by Zubatyuk, Roman I. ;Baumer, Vyacheslav N. ;Tatarets, Anatoliy L. ;Patsenker, Leonid D. ;Shishkin, Oleg V.


Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
219 KB
Volume
60
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Di­methyl 5,5-di­cyano-2-hydroxy-4,6-di­
✍ Akkurt, Mehmet ;Öztürk, Sema ;Stoyanov, Edmont ;Büyükgüngör, Orhan ;Heber, Diete 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 260 KB

In the title molecule, C 24 H 20 N 2 O 5 , the cyclohexene ring adopts a half-chair conformation. The molecular structure shows some intra-and intermolecular hydrogen bonds.

3-(Di­cyano­methyl­ene)-1,5-di­phenyl­pe
✍ Jones, Peter G. ;Hopf, Henning ;Kreutzer, Martin 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 299 KB

The molecule of the title compound, C 20 H 10 N 2 , displays no imposed symmetry, but is largely planar [one phenyl ring is twisted by 10.4 (1) out of the plane of the rest of the molecule]. The central C C bond length is 1.371 (3) A Ê . The molecules are linked by a weak hydrogen bond of the form C

The polyfunctionalized en­amino­ne ethyl
✍ Vencato, Ivo ;Cunha, Silvio ;Ferrari, Jailton ;Napolitano, Hamilton B. ;Lariucci 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 272 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.056 wR factor = 0.162 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.

3,3-Bis(2-furyl­methyl)-2-methyl-4-oxo­c
✍ Ray, Jayanta Kumar ;Mal, Sajal Kanti ;Canle, L. M. ;Santaballa, J. A. ;Mahía, Jo 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 258 KB

In the title molecule, C 18 H 18 O 5 , the cyclohexene ring adopts an envelope conformation. The dihedral angle between the two furan rings is 65.9 (1) . In the crystal structure, the carboxyl groups of inversion-related moleules are involved in the formation of dimers through OÐHÁ Á ÁO hydrogen bon