Question
What is Hinsberg reagent?
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Answer
Benzenesulphonyl chloride $\ce{(C_6H_5SO_2Cl)},$ is also known as Hinsberg’s reagent. It reacts with primary and secondary amines to form sulphonamides.
Secondary and tertiary amines can be distinguished by allowing them to react with Hinsberg’s reagent $($benzenesulphonyl chloride $\ce{C_6H_5SO_2Cl)}.$
Secondary amines react with Hinsberg’s reagent to form a product that is insoluble in an alkali.
For example, $N, N-$diethylamine reacts with Hinsberg’s reagent to form $N, N-$diethylbenzenesulphonamide.
which is insoluble in an alkali. Tertiary amines.
however, do not react with Hinsberg’s reagent.
Secondary and tertiary amines can be distinguished by allowing them to react with Hinsberg’s reagent $($benzenesulphonyl chloride $\ce{C_6H_5SO_2Cl)}.$
Secondary amines react with Hinsberg’s reagent to form a product that is insoluble in an alkali.
For example, $N, N-$diethylamine reacts with Hinsberg’s reagent to form $N, N-$diethylbenzenesulphonamide.
which is insoluble in an alkali. Tertiary amines.
however, do not react with Hinsberg’s reagent.
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