draw the arrow-pushing mechanism for the synthesis of the crown ether (18-crown-6) from triethylene glycol, diiodo triethylene glycol (intermediate), and potassium hydroxide.

Respuesta :

The crown ether trap the given ion inside them(to form host-guest complex). So depending upon the size of ion Na+,K+,Li+ the particular crown ether is formed.

What is crown ether?

Crown ethers are a class of heterocyclic compounds that contain oxygen atoms arranged in a ring structure. They are also known as cyclic polyethers, as they contain multiple ether groups connected in a ring formation. Crown ethers are widely used in organic synthesis and are known for their ability to bind to metal ions, such as potassium, sodium, and lithium. This property makes them useful as chelating agents, solvents for metal salts, and for extractive separations. Crown ethers are also used in catalysis and as ionophores, molecules that can transport ions across biological membranes. Crown ethers are synthesized from simple starting materials and are available in many different sizes and structures, allowing them to be tailored for specific applications.

For detailed structural information refer file

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