Crystal structures of 4-(oxiran-2-ylmethoxy) benzoic acid and 4-acetoxybenzoic acid

被引:0
作者
A. Obreza
F. Perdih
机构
[1] University of Ljubljana,Faculty of Pharmacy
[2] University of Ljubljana,Faculty of Chemistry and Chemical Technology
[3] CO EN-FIST,undefined
来源
Journal of Structural Chemistry | 2012年 / 53卷
关键词
crystal structure; epoxide; hydrogen bond; carboxylic acid;
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摘要
Compounds 4-(oxiran-2-ylmethoxy)benzoic acid (2) and 4-acetoxybenzoic acid (4) are synthesized by a new synthetic route and studied by X-ray crystallography. Compound 2 crystallizes in the monoclinic system, P21/n space group, a = 5.1209(2) Å, b = 30.3429(16) Å, c = 5.9153(3) Å, β = 96.725(3)°, V = 912.81(8) Å3, Z = 4. Compound 4 crystallizes in the triclinic system, P-1 space group, a = 7.3400(4) Å, b = 8.0819(3) Å, c = 15.6548(9) Å, α = 85.754(3)°, β = 84.268(2)°, γ = 70.023(3)°, V = 867.63(8) Å3, Z = 4. The crystal structure of 2 comprises two crystallographically independent molecules of the compound. In the crystal structures of 2 and 4, pairs of molecules form carboxyl dimers.
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页码:793 / 799
页数:6
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