Abstract
The structure and inclusion ability of eight types of salts prepared from a combination of four tartaric acid derivatives (dibenzoyl- and three positional isomers of ditoluoyl-L-tartaric acid) and two V-shaped dianilines were investigated. They afforded 1 : 1 or 2 : 1 stoichiometric salts and the hydrogen-bonding networks changed from three-dimensional to two- and one-dimensional networks as the distance between the methyl and carboxyl groups on the tartaric acid increased. When the methylene group of dianiline was changed to an oxygen atom, the molecular structure became thinner, forming a different hydrogen-bonding network. Despite such diverse hydrogen-bonding networks, all the salts incorporated water and/or 2-butanol molecules in their structure, affording ternary or quaternary inclusion crystals.
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