2-Bromo-3,4,5-trimethoxybenzyl 4-bromo-7-methoxy-1,3-benzodioxole-5-carboxylate
✍ Scribed by Fu, Xian-Shu ;Zhang, Yan ;Sun, Jun-Wei ;Yu, Xiao-Xia
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 112 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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The title compound, C 16 H 13 BrO 6 , was synthesized in an anhydrous medium. The methylenedioxobenzoate moiety and the methoxyphenyl fragment form a dihedral angle of 65.06 (8) .
The crystal structure of the title compound, C 23 H 28 Br 4 O 6 , confirms that it consists of two hexasubstituted aromatic units linked by a central methylene group. The molecule lies on a crystallographic twofold axis that passes through the methylene bridging atom. Examination of the extended str
In the title compound, C~23~H~25~NO~10~, the five-membered rings adopt envelope conformations and the dihedral angle between the two benzene rings is 67.1 (7)°. The crystal structure is stabilized by intramolecular N—H...O and intermolecular O—H...O hydrogen-bond interactions.
Single-crystal X-ray study T = 183 K Mean '(C±C) = 0.006 A Ê R factor = 0.035 wR factor = 0.079 Data-to-parameter ratio = 14.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
In the title compound, C 16 H 11 ClO 6 , the dihedral angle between the two benzene rings is 86.9 (3) .