(E)-Ethyl 3-(3,4-dihydroxyphenyl)prop-2-enoate: a natural polymorph extracted from Aristotelia chilensis (Maqui)

被引：0
|
作者：
Paz, Cristian [1 ]
Moreno, Yanko [2 ]
Becerra, Jose [1 ]
Silva, Mario [1 ]
Burgos, Viviana [1 ]
Freire, Eleonora [3 ,4 ]
Baggio, Ricardo [3 ]
机构：
[1] Univ Concepcion, Fac Ciencias Nat & Oceanog, Lab Quim Prod Nat, Concepcion, Chile
[2] Univ Concepcion, Fac Ciencias Quim, Dept Quim Analit & Inorgan, Concepcion, Chile
[3] Comis Nacl Energia Atom, Ctr Atom Constituyentes, RA-1429 Buenos Aires, DF, Argentina
[4] Univ Nacl Gen San Martin, Escuela Ciencia & Tecnol, Buenos Aires, DF, Argentina
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2013年 / 69卷
关键词：
D O I：
10.1107/S0108270113013991
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The natural title compound, C11H12O4, extracted from the Chilean native tree Aristotelia chilensis (Maqui), is a polymorph of the synthetic E form reported by Xia, Hu & Rao [Acta Cryst. (2004), E60, o913-o914]. Both rotational conformers are identical from a metrical point of view, and only differ in the orientation of the 3,4-dihydroxyphenyl ring with respect to the rest of the molecule, which leads to completely different crystal structure arrangements and packing efficiencies. The reasons behind both reside in the different hydrogen-bonding interactions.
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页码：765 / +
页数：10
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