MOLECULAR COCRYSTALS OF CARBOXYLIC-ACIDS .19. THE CRYSTAL-STRUCTURES OF 2 ADDUCTS OF 3-AMINOBENZOIC ACID WITH 3,5-DINITROBENZOIC ACID - THE 1-1 AND THE 2-2 HYDRATE COCRYSTALS

被引：19

作者：

LYNCH, DE

SMITH, G

BYRIEL, KA

KENNARD, CHL

机构：

[1] QUEENSLAND UNIV TECHNOL,SCH CHEM,GPO BOX 2434,BRISBANE,QLD 4001,AUSTRALIA

[2] UNIV QUEENSLAND,DEPT CHEM,ST LUCIA,QLD 4072,AUSTRALIA

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 1994年 / 47卷 / 09期

关键词：

D O I：

10.1071/CH9941789

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two cocrystalline molecular adducts of 3-aminobenzoic acid (3-aba) with the aromatic carboxylic acid 3,5-dinitrobenzoic acid (dnba), [(3-aba)(dnba)] (1) and [(3-aba)2(dnba)2(H2O)] (2), have been prepared and their hydrogen-bonding associations determined by means of single-crystal X-ray diffraction. Complex (1) is similar to known 1:1 complexes of 4-aminobenzoic acid with other aromatic acids, with protonation of the amine group and carboxylic acid-carboxylate hydrogen-bonding associations. However, the 2:2 hydrate complex (2) has only one hetero-pair involved in proton transfer, the other remaining neutral. With both compounds there is an extensive hydrogen-bonding network involving all substituent functional groups as well as the lattice water in compound (2).

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页码：1789 / 1798

页数：10

相关论文

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LYNCH DE, IN PRESS ACTA CRYS C

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