MOLECULAR COCRYSTALS OF CARBOXYLIC-ACIDS .14. THE CRYSTAL-STRUCTURES OF THE ADDUCTS OF PYRAZINE-2,3-DICARBOXYLIC ACID WITH 4-AMINOBENZOIC ACID, 3-HYDROXYPYRIDINE AND 3-AMINO-1,2,4-TRIAZOLE

被引:33
|
作者
LYNCH, DE
SMITH, G
BYRIEL, KA
KENNARD, CHL
WHITTAKER, AK
机构
[1] QUEENSLAND UNIV TECHNOL,SCH CHEM,POB 2434,BRISBANE,QLD 4001,AUSTRALIA
[2] UNIV QUEENSLAND,DEPT CHEM,ST LUCIA,QLD 4072,AUSTRALIA
[3] UNIV QUEENSLAND,CTR MAGNET RESONANCE,ST LUCIA,QLD 4072,AUSTRALIA
关键词
D O I
10.1071/CH9940309
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The 1:1 molecular adducts of pyrazine-2,3-dicarboxylic acid with 4-aminobenzoic acid, [(C6H3N2O4)- (C7H8NO2)+], 3-hydroxypyridine, [(C6H4N2O4)(C5H5NO)], and 3-amino-1,2,4-triazole, [(C6H3N2O)4)- (C2H5N4)+] have been prepared, and their structures determined by X-ray diffraction methods. All structures involve intra- and inter-molecular hydrogen-bonding interactions. The 1:2 complex of pyrazine-2,3-dicarboxylic acid with triphenylphosphine oxide has also been prepared, and characterized by using spectroscopic methods.
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页码:309 / 319
页数:11
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