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t- U- S o i NH,CH3, H® NHẸT, H® NHÀ

t- U- S o i NH,CH3, H® NHẸT, H® NHÀ

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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This image illustrates three chemical reactions involving ketones reacting with amines under acidic conditions. Here is a detailed explanation of each reaction: 1. **Reaction t-**: - **Reactant**: A cyclopentanone, which is a five-membered cyclic ketone. - **Reagent**: Methylamine (\(NH_2CH_3\)) in the presence of an acid (\(H^+\)). - **Reaction Type**: This is likely an imine formation reaction where the ketone reacts with the amine to form an imine, facilitated by the acidic conditions. 2. **Reaction u-**: - **Reactant**: A butanone, a linear four-carbon ketone. - **Reagent**: Diethylamine (\(NHEt_2\)) with acid (\(H^+\)). - **Reaction Type**: This represents another imine formation, where the ketone reacts with the secondary amine to form an imine bond under acidic conditions. 3. **Reaction s-**: - **Reactant**: A cycloheptanone, a seven-membered cyclic ketone. - **Reagent**: Pyrrolidine, a secondary amine in the presence of acid (\(H^+\)). - **Reaction Type**: Similar to the others, this involves the formation of an imine through the reaction of the ketone with the nitrogen group of pyrrolidine under acidic conditions. In all these reactions, the amine reacts with the carbonyl group of the ketone to form an imine, through a mechanism that involves nucleophilic attack followed by dehydration.
Transcribed Image Text:This image illustrates three chemical reactions involving ketones reacting with amines under acidic conditions. Here is a detailed explanation of each reaction: 1. **Reaction t-**: - **Reactant**: A cyclopentanone, which is a five-membered cyclic ketone. - **Reagent**: Methylamine (\(NH_2CH_3\)) in the presence of an acid (\(H^+\)). - **Reaction Type**: This is likely an imine formation reaction where the ketone reacts with the amine to form an imine, facilitated by the acidic conditions. 2. **Reaction u-**: - **Reactant**: A butanone, a linear four-carbon ketone. - **Reagent**: Diethylamine (\(NHEt_2\)) with acid (\(H^+\)). - **Reaction Type**: This represents another imine formation, where the ketone reacts with the secondary amine to form an imine bond under acidic conditions. 3. **Reaction s-**: - **Reactant**: A cycloheptanone, a seven-membered cyclic ketone. - **Reagent**: Pyrrolidine, a secondary amine in the presence of acid (\(H^+\)). - **Reaction Type**: Similar to the others, this involves the formation of an imine through the reaction of the ketone with the nitrogen group of pyrrolidine under acidic conditions. In all these reactions, the amine reacts with the carbonyl group of the ketone to form an imine, through a mechanism that involves nucleophilic attack followed by dehydration.
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