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I know that 2,4-DNPH does react with carbonyl compound. But the examples given in books are only for cabonyl group in aldehyde and ketone compound. I wonder if 2,4-DNPH can reacts with carboxylic acid compound.

2007-03-17 16:47:56 · 3 answers · asked by raito 1 in Science & Mathematics Chemistry

3 answers

2,4-Dinitrophenylhydrazine only reacts with the carbonyl functional groups in aldehydes and ketones and not with those in compounds such as carboxylic acids, esters and amides.

In carboxylic acids, esters and amides, there is additional resonance and delocalization because a lone-pair of electrons on the non-metal attached to the carbonyl carbon interacts with the p-orbital of the carbonyl carbon-oxygen bond. This stability makes these compounds more resistant to any addition reactions.

2007-03-17 18:23:46 · answer #1 · answered by Richard 7 · 13 0

2 4 Dnph

2016-12-18 06:57:00 · answer #2 · answered by Anonymous · 0 0

Dinitrophenylhydrazine

2016-09-29 11:51:01 · answer #3 · answered by tosto 4 · 0 0

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