cis-trans Isomerization under hydrothermal conditions. Synthesis and structure of calcium and barium 4-cyclohexene-1,2-dicarboxylates

被引：3

作者：

Contreras, Jines E. ^{[1
]}

Delgado, J. M. ^{[1
]}

Diaz de Delgado, Graciela ^{[1
]}

机构：

[1] Univ Los Andes, Fac Ciencias, Dept Quim, Lab Cristalog, Merida 5101, Venezuela

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2008年 / 890卷 / 1-3期

关键词：

Hydrothermal synthesis; Metal carboxylates; cis-trans Isomerization;

D O I：

10.1016/j.molstruc.2008.05.009

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Reaction of cis-4-cyclohexene-1,2-dicarboxylic acid with Ca(OH)(2) and with BaCO3, under hydrothermal conditions, afforded two new metal dicarboxylates: (cis-4-cyclohexene-1,2-dicarboxylato)calcium(II), [CaC8H8O4] (1) and diaquabis(trans-cyclohex-4-ene-1-carboxylic-2-carboxylato)barium(II), [Ba(C8H9O4)(2) (OH2)(2)](2). Compound (1) is monoclinic, P2(1)/c, with unit cell parameters a = 12.6670(14), b = 6.7548(7), c = 9.5943(10) angstrom, beta = 104.108(3)degrees, V = 796.16(15) angstrom(3), Z = 4. Compound (2) is orthorhombic, Cmc2(1), a = 28.633(8), b = 9.036(3), c = 7.438(2),V = 1924.4(10) angstrom(3), Z = 4. It should be noted that a cis-trans isomerization occurred in the reaction with BaCO3, suggesting an influence of the metal atom in the reaction. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：309 / 316

页数：8

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