In the title compound, C 20 H 20 O 6 , the biphenyl twist angle is 48.2 (1) . All three ester groups are planar and they make dihedral angles of 63.6 (1), 56.8 (1) and 41.6 (1) with the attached benzene ring. C-HÁ Á ÁO interactions contribute to both molecular and crystal stability.
2,2′-[3,3′-Dimethylbiphenyl-4,4′-diylbis(iminomethylene)]dipyridinium dichloride tetrahydrate
✍ Scribed by Wu, Ming-Qiang ;Zhang, Yun-Qian ;Xiao, Xin ;Xue, Sai-Feng ;Tao, Zhu
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 175 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
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.
In the structure of the title compound, C 25 H 29 N 6 O + ÁCl À Á-1.69H 2 O, the irbesartan cation adopts tautomeric form A. The structure is stabilized by systems of hydrogen bonds forming ribbons along the ac diagonal, interlinked by sets of weaker hydrogen bonds involving the solvent water.
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.