Abstract
The crystal and molecular structure of previously unknown dimethyl- and diethylaminomethylated calix[4]resorcinolarenes was determined by X-ray diffraction. The calixarene molecules occur in the crystal in the coneform, stabilized by the system of hydrogen bonds at the upper rim of the macrocycle. The crystal structure of the dimethylaminomethylated derivative includes 4.5 benzene molecules and an ethanol molecule per calixarene molecule. No solvent molecules are located inside the macrocycle cavity. In the structure of the diethylaminomethylated derivative there is one benzene molecule per calixarene molecule. The benzene molecule is located in the macrocycle cavity. The supramolecular structure of crystals is analyzed.
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