Draw the electron pushing mechanism

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
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Draw the electron pushing mechanism 

### Chemical Reaction Overview

The image depicts a chemical reduction reaction involving NADH as the reducing agent.

#### Left Side: Structure of the Reactant

- The reactant is a cyclic hexose, characterized by a six-membered ring.
- It contains a ketone group at the top (indicated by "O" double-bonded to the ring).
- Five hydroxyl groups (–OH) are attached to the ring:
  - The top right and bottom left –OH groups are shown as bold wedges, indicating they are projecting out of the plane (up).
  - The remaining three –OH groups are illustrated with dashed wedges, indicating they extend into the plane (down).

#### Reaction Arrow

- An arrow points from the reactant to the product, with "NADH" labeled above the arrow, indicating the role of NADH in the reduction process.

#### Right Side: Structure of the Product

- The product is a similar cyclic structure where the ketone group has been reduced to an alcohol.
- All five hydroxyl groups (–OH) remain attached to the same carbon positions as in the reactant.
  - The configuration of the hydroxyl groups on the product is mirrored to the initial structure: bold wedges for the top left and right –OH groups, and dashed wedges for the rest, showing a stereochemical change (reduction). 

This diagram effectively represents a reduction process where NADH donates electrons, converting a ketone to an alcohol group within a carbohydrate context.
Transcribed Image Text:### Chemical Reaction Overview The image depicts a chemical reduction reaction involving NADH as the reducing agent. #### Left Side: Structure of the Reactant - The reactant is a cyclic hexose, characterized by a six-membered ring. - It contains a ketone group at the top (indicated by "O" double-bonded to the ring). - Five hydroxyl groups (–OH) are attached to the ring: - The top right and bottom left –OH groups are shown as bold wedges, indicating they are projecting out of the plane (up). - The remaining three –OH groups are illustrated with dashed wedges, indicating they extend into the plane (down). #### Reaction Arrow - An arrow points from the reactant to the product, with "NADH" labeled above the arrow, indicating the role of NADH in the reduction process. #### Right Side: Structure of the Product - The product is a similar cyclic structure where the ketone group has been reduced to an alcohol. - All five hydroxyl groups (–OH) remain attached to the same carbon positions as in the reactant. - The configuration of the hydroxyl groups on the product is mirrored to the initial structure: bold wedges for the top left and right –OH groups, and dashed wedges for the rest, showing a stereochemical change (reduction). This diagram effectively represents a reduction process where NADH donates electrons, converting a ketone to an alcohol group within a carbohydrate context.
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