Hydrogen-bonded complexes of 2-pyridone with centrosymmetric and non-centrosymmetric dicarboxylic acids

被引：6
|
作者：
Kashino, S [1 ]
Fukunaga, T [1 ]
Izutsu, H [1 ]
Miyashita, S [1 ]
机构：
[1] Okayama Univ, Fac Sci, Dept Chem, Okayama 7008530, Japan
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 2001年 / 57卷 / 05期
关键词：
D O I：
10.1107/S0108270101002839
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
2-Pyridone (2-oxopyrimidine) forms hydrogen-bonded complexes with dicarboxylic acids, the molar ratio of 2-pyridone/di carboxylic acid being 2:1 for the complexes with oxalic acid (ethanedioic acid), 2C(5)H(5)NO .C2H2O4, (I), and trans-beta -hydromuconic acid (trans-hex-3-enedioic acid), 2C(5)H(5)NO .C6H8O4, (II), and 1:1 for the complexes with trans-glutaconic acid (trans-pent-2-enedioic acid), C5H5NO . .C5H6O4, (III), and L-tartaric acid (L-2,3- dihydroxybutanedioic acid), C5H5NO .C4H6O6.H2O, (IV). Common features in the hydrogen-bonding patterns were found for the centrosymmetric and non-centrosymmetric acids, respectively. The 2-pyridone molecule takes the lactam form in these crystals.
引用
收藏
页码：627 / 631
页数：5
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