What specialized chemical reaction leverages the extreme reactivity of a diazonium salt to forcefully couple it directly with an unactivated arene (such as pure liquid benzene) in an alkaline environm

Question

What specialized chemical reaction leverages the extreme reactivity of a diazonium salt to forcefully couple it directly with an unactivated arene (such as pure liquid benzene) in an alkaline environment to successfully synthesize a biaryl compound like biphenyl?

Prashant Kotian · Accepted Answer

Correct answer: B. The Gomberg-Bachmann reaction specifically relies on the base-catalyzed physical decomposition of an aryl diazonium salt in the direct physical presence of another unactivated aromatic liquid (like pure benzene). It undergoes a radical-based mechanism to forcefully cross-couple the rings, yielding a biaryl structure such as biphenyl.

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