𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Ethyl 3-(3,4-di­hydroxy­phenyl)-2-propenoate

✍ Scribed by Xia, Chun-Nian ;Hu, Wei-Xiao ;Rao, Guo-Wu

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

No coin nor oath required. For personal study only.

✦ Synopsis

The title compound, C 11 H 12 O 4 , was prepared from the Knoevenagel condensation reaction of 3,4-dihydroxybenzaldehyde and monoethyl malonate. The almost planar molecule is the E isomer.

📜 SIMILAR VOLUMES

Ethyl 3-(4-geranyl­oxy-3-methoxy­phenyl)
Ethyl 3-(4-geranyl­oxy-3-methoxy­phenyl)-2-propenoate
✍ Miyake, Yasuhito ;Hosoda, Asao ;Nomura, Eisaku ;Taniguchi, Hisaji 📂 Article 📅 2001 🏛 International Union of Crystallography 🌐 English ⚖ 138 KB

The title compound, C 22 H 30 O 4 , is known as a chemopreventive agent against colon tumor development. The molecular structure is nearly planar, showing a trans arrangement with respect to the C C bond of the phenylpropenoate moiety.

Ethyl (E)-2-benzoyl-3-phenyl­propenoate
Ethyl (E)-2-benzoyl-3-phenyl­propenoate
✍ Hema, R. ;Parthasarathi, V. ;Ravikumar, K. ;Sridhar, B. ;Pandiarajan, K. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 308 KB

In the title molecule, C 18 H 16 O 3 , the configuaration with respect to the C C double bond is E. The benzoyl group is rotated out of the mean plane through the rest of the molecule by 88.31 (4) . In the crystal structure, molecules are linked by weak intermolecular C-HÁ Á ÁO interactions to form

(Z)-3-(3,4-Di­methoxy­phenyl)-2-(2-metho
(Z)-3-(3,4-Di­methoxy­phenyl)-2-(2-methoxy­phenoxy)-2-propenoic acid
✍ Langer, Vratislav ;Li, Shiming ;Lundquist, Knut ;Stomberg, Rolf 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 536 KB

Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.003 A Ê R factor = 0.034 wR factor = 0.101 Data-to-parameter ratio = 12.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.