Crystal structure of dimethyl 4,4′-di­meth­oxy­biphenyl-3,3′-di­carboxyl­ate

Lundvall F.; Dietzel P.D.C.; Fjellv#229; g H.

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Crystal structure of dimethyl 4,4′-dimethoxybiphenyl-3,3′-dicarboxylate

机译：4,4'-二甲氧基联苯-3,3'-二羧酸二甲酯的晶体结构

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In the title compound, C18H18O6, the benzene rings are coplanar due to the centrosymmetric nature of the molecule, with an inversion centre located at the midpoint of the C—C bond between the two rings. Consequently, the methyl carboxylate substituents are oriented in a trans fashion with regards to the bond between the benzene rings. The methyl carboxylate and methoxy substituents are rotated slightly out of plane relative to their parent benzene rings, with dihedral and torsion angles of 18.52 (8) and −5.22 (15)°, respectively. The shortest O⋯H contact between neighbouring molecules is about 2.5 Å. Although some structure-directing contributions from C—H⋯O hydrogen-bonding interactions are possible, the crystal packing seems primarily directed by weak van der Waals forces.

机译：在标题化合物C18H18O6中，由于分子的中心对称性质，苯环是共面的，其反转中心位于两个环之间的CC键的中点。因此，关于苯环之间的键，羧酸甲酯取代基以反式取向。羧酸甲酯和甲氧基取代基相对于其母体苯环略微偏离平面，其二面角和扭转角分别为18.52（8）和-5.22（15）°。相邻分子之间最短的O⋯H接触约为2.5。尽管可能存在由C–H⋯O氢键相互作用引起的一些结构指导作用，但晶体堆积似乎主要是由弱的范德华力引导的。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2016年第3期|共3页
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Lundvall F.; Dietzel P.D.C.; Fjellv#229; g H.;
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中图分类晶体学;
关键词
CRYSTAL STRUCTUREINTERMEDIATE COMPOUND FOR ORGANIC LINKERS IN MOF SYNTHESISCENTROSYMMETRIC MOLECULE;

机译：MOF合成中心对称分子中有机连接基的晶体结构中间化合物;

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1. Crystal structure of dimethyl 4,4′-dimethoxybiphenyl-3,3′-dicarboxylate [J] . Lundvall F., Dietzel P.D.C., Fjellv#229, Acta Crystallographica Section E: Crystallographic Communications . 2016,第3期

机译：4,4'-二甲氧基联苯-3,3'-二羧酸二甲酯的晶体结构
2. Dimethyl 3,3′-dimethoxybiphenyl-4,4′-dicarboxylate [J] . Dietzel P.D.C., Fjellv#229, g H., Acta Crystallographica Section E: Crystallographic Communications . 2014,第4期

机译：3,3'-二甲氧基联苯-4,4'-二羧酸二甲酯
3. Crystal structure of poly[diaqua(μ2-benzene-1,4-dicarboxylato-κ2O1:O4)(μ2-benzene-1,4-dicarboxylato-κ4O1,O1′:O4,O4′)bis(μ2-3,3′,5,5′-tetramethyl-4,4′-bipyrazole-κ2N:N′)dinickel(II)] [J] . Wu C., Cao P. Acta Crystallographica Section E: Crystallographic Communications . 2015,第6期

机译：聚[diaqua（μ2-苯-1,4-二羧基-κ2O1：O4）（μ2-苯-1,4-二羧基-κ4O1，O1'：O4，O4'）双（μ2-3,3'的晶体结构，5,5'-四甲基-4,4'-联吡唑-κ2N：N'）迪尼克（II）]
4. Synthesis and Crystal Structure of (μ-biphenyl-3,3'-dicarboxylato)manganese(II) [C] . GuangYin Wang International Conference on Material Engineering, Chemistry, Bioinformatics . 2011

机译：（μ-Biphenyl-3,3'-二羧酸盐）锰（II）的合成和晶体结构
5. NMR spectroscopy and the thermal solid state polymerizations of crystalline 2,4-hexadiyne-1,6-diol bis-(p-toluenesulfonate), p-ethynylbenzoic acid, and 2,3-dicyano-5,7-dimethyl-6 H-1,4-diazepine. [D] . Njus, Jeffrey M. 2004

机译：结晶2,4-己二炔-1,6-二醇双-（对甲苯磺酸盐），对乙炔基苯甲酸和2,3-二氰基-5,7-二甲基-6 H-的NMR光谱和热固态聚合1,4-二氮杂.。
6. Crystal structures of three 1-oxo-12-dihydronaphthalene derivatives: dimethyl 4-(4-methoxyphenyl)-2-(4-methylphenyl)-1-oxo-12-dihydronaphthalene-23-dicarboxylate dimethyl 1-oxo-2-(pyren-4-yl)-4-(thiophen-2-yl)-12-dihydronaphthalene-23-dicarboxylate and ethyl 1-oxo-2-phenyl-24-bis(thiophen-2-yl)-12-dihydronaphthalene-3-carboxylate [O] . S. Gopinath, P. Narayanan, K. Sethusankar, 2017

机译：三种1-氧-12-二氢萘衍生物的晶体结构：二甲基4-（4-甲氧基苯基）-2-（4-甲基苯基）-1-氧-12-二氢萘-23-二羧酸二甲酯1 -氧代-2-（吡喃-4-基）-4-（噻吩-2-基）-12-二氢萘-23-二羧酸酯和乙基1-氧代-2-苯基-24-双（噻吩-2-基）-12-二氢萘-3-羧酸酯
7. Biphenyl-3,3′,4,4′-tetracarboxylic acid dihydrate [O] . Dong-Ya Zhu, Chang-Chun Cao, Xing Ji, 2009

机译：联苯3,3'，4,4'-四羧酸二水合物

Crystal structure of dimethyl 4,4′-di­meth­oxy­biphenyl-3,3′-di­carboxyl­ate

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Crystal structure of dimethyl 4,4′-dimethoxybiphenyl-3,3′-dicarboxylate