December 03, 2021, 03:17:47 PM
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Topic: Ehrlich's reagent (N,N-Dimethylaminobenzaldehyde) on secondary amines  (Read 375 times)

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Offline Lxtrodectus

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Why can't Ehrlich's reagent react with secondary amines to give a cyanine just like primary amines? It's literally the same thing but with an alkyl group instead of an H. Why is Ehrlich's reagent said to be selective for primary aromatic groups? Both form iminium ions but nobody talks aobut secondary amines.

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