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(E)-3-(1,3-Benzodioxol-5-yl)-1-(2-hydr­oxy-4,6-dimethoxy­phen­yl)prop-2-en-1-one

✍ Scribed by Gao, Shan ;Ng, Seik Weng

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
122 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 18 H 16 O 6 , a herbicide, the dioxole ring adopts a flattened envelope conformation. The two aromatic rings at either end of the propenone linkage are almost coplanar with it. The hydroxy group is involved in an intramolecular O-HÁ Á ÁO hydrogen bond.

📜 SIMILAR VOLUMES

1-(2-Hydr­oxy-3-iodo-4,6-dimethoxy­phen­
1-(2-Hydr­oxy-3-iodo-4,6-dimethoxy­phen­yl)-3-phenyl­prop-2-en-1-one
✍ Gao, Shan ;Ng, Seik Weng 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 111 KB

The herbicide 3-phenyl-1-(2-hydroxy-3-iodo-4,6-dimethoxyphenyl)propen-1-one, C 17 H 15 IO 4 , exists as a nearly planar molecule; the hydroxy group forms an intramolecular hydrogen bond with the carbonyl O atom.

(2E)-3-(1,3-Benzodioxol-5-yl)-1-(4-bromo
(2E)-3-(1,3-Benzodioxol-5-yl)-1-(4-bromo­phen­yl)prop-2-en-1-one
✍ Harrison, William T. A. ;Bindya, S. ;Yathirajan, H. S. ;Sarojini, B. K. ;Narayan 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 267 KB

In the approximately planar molecule of the title compound, C 16 H 11 BrO 3 , the dihedral angle between the two benzene rings is 6.61 (18) . This compound crystallizes in a centrosymmetric space group, so it does not display a second-harmonic generation response.