𝔖 Bobbio Scriptorium
✦   LIBER   ✦

2,3,4-Trichloro-6-(diethyl­amino)-9-oxo-9H-xanthene-1-carboxylic acid methanol solvate

✍ Scribed by Zhang, Hai-Feng ;Sun, Bao-Sheng ;Zhao, Xin-Hua ;Yan, Fan-Yong

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

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

3,3,6,6-Tetra­methyl-9-(2-oxo-1,2-dihydr
3,3,6,6-Tetra­methyl-9-(2-oxo-1,2-dihydro­quinolin-3-yl)-1,2,3,4,5,6,7,8-octa­hydro-9H-xanthene-1,8-dione
✍ Selvanayagam, S. ;Paul, Jasmin ;Velmurugan, D. ;Ravikumar, K. ;Rathna Durga, R. 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 296 KB

In the title compound, C 26 H 27 NO 4 , the central ring of the xanthene moiety is planar and the two outer rings are in halfboat conformations. The molecular packing in the crystal structure is stabilized by N-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds in addition to van der Waals forces.

3,7,8-Tri­hydroxy-3-methyl-10-oxo-4,10-d
3,7,8-Tri­hydroxy-3-methyl-10-oxo-4,10-di­hydro-1H,3H-pyrano­[4,3-b]­chromene-9-carboxyl­ic acid (fulvic acid) methanol 0.75-solvate
✍ Wang, Jian-Feng ;Fang, Mei-Juan ;Huang, Hui-Qiong ;Li, Gui-Ling ;Su, Wen-Jin ;Zh 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 285 KB

Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.007 A Ê R factor = 0.075 wR factor = 0.196 Data-to-parameter ratio = 10.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.