Syntheses and Crystal Structures of Functionalized Tetramethyl Resorcinarenes |
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Authors: | MU Huarong ZHOU Rui SUN Jing YAN Chaoguo |
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Affiliation: | 1. College of Chemical Engineering, Yangzhou Polytechnic Institute, Yangzhou 225127, P. R. China; 2. College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China |
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Abstract: | Tetramethyl resorcinarene, which was obtained by acidic condensation of resorcinol with paraacetoaldehyde, was chemically modified to the functionalized O-acyl, O-tosyl and O-acetate derivatives by corresponding acylation, p-toluenesulfonylation and alkylation reactions. The single crystal structures of these functionalized resorcinarenes and the complex of tetramethyl resorcinarene with 2,2'-bipyridine were determined by X-ray diffraction method. All these resorcinarenes adopt the all-cis configuration with four methyl groups stretching to the down rim and form 1D or 2D structures through H-bonds. |
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Keywords: | Resorcinarene Macrocycle Chemical modification Configuration Crystal structure |
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