Description:[3,4]-Dibenzo-21-crown-7 is a member of the crown ether family, characterized by its ability to selectively bind cations due to its unique molecular structure. This compound features a cyclic arrangement of ether linkages and aromatic rings, which enhances its solubility in organic solvents and its affinity for certain metal ions. The "21" in its name indicates that the crown ether has 21 atoms in its ring, including both oxygen and carbon atoms. Its structure allows for the formation of stable complexes with various cations, particularly alkali and alkaline earth metals, making it useful in applications such as ion-selective electrodes, extraction processes, and as a phase transfer catalyst. Additionally, the presence of the dibenzo moieties contributes to its rigidity and influences its binding properties. The compound is typically synthesized through specific organic reactions involving phenolic compounds and can be characterized using techniques such as NMR spectroscopy and mass spectrometry. Overall, [3,4]-Dibenzo-21-crown-7 is notable for its selective ion-binding capabilities and versatility in chemical applications.
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![Dibenzo[b,k][1,4,7,10,13,16,19]heptaoxacycloheneicosin, 6,7,9,10,12,13,20,21,23,24-decahydro-](https://static.cymitquimica.com/products/IN/thumb/DA001FP3.jpg)
