A high-boiling solvent such as xylene (dimethylbenzene) is employed to speed up the reaction so that it can be conveniently finished.
The Diels-Alder reaction is what?
A conjugated diene and an alkene (dienophile) react to generate unsaturated six-membered rings in the Diels-Alder reaction. The reaction is also known as a "cycloaddition" because it results in the production of a cyclic product via a cyclic transition state.
When compared to solvents like benzene, xylene is less harmful to people. It is metabolized and removed quite quickly, which means that your body transforms it into other compounds and excretes them in urine.
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