X-ray structures of organic salts between diethanolamine and ortho- and para-isomers of aminobenzoic acid: A specific synthon responsible for an association of the components
Aziz B. IbragimovInstitute of General and Inorganic Chemistry of Academy of Sciences, Tashkent, 100125, UzbekistanB.S. ZakirovInstitute of General and Inorganic Chemistry of Academy of Sciences, Tashkent, 100125, UzbekistanБ. Т. ИбрагимовInstitute of Bioorganic Chemistry of Academy of Sciences, Tashkent, 100125, UzbekistanJamshid AshurovInstitute of Bioorganic Chemistry of Academy of Sciences, Tashkent, 100125, Uzbekistan
ABI
Abstract
Two organic salts between diethanolamine (DEA) and ortho- and para-isomers (OABA and PABA) of aminobenzoic acid (ABA) have been obtained and their X-ray single crystal structures determined. In both salts, cationic and anionic components are incorporated into dimers by the two H-bonds formed between ABA carboxylate oxygen atoms and nitrogen and one of oxygen atoms of DEA which close a cycle with the graph-set notation of R22(9). Further dimers are associated by intricate systems of the H-bonds into 1D- and 3D-network structures in crystals of DEA·OABA and DEA·PABA, respectively. H-bonding which generates these dimers may be considered as a synthon specific for yielding of salts between DEA and mono-substituted aromatic benzoic acids.
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