CH3 H-Br Br он 65 °C CH3

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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 The following reaction is slow and gives an unusual product. Propose a mechanism for the observed product based on what you know about SN1 and SN2-type mechanisms.

This image depicts a chemical reaction involving an alcohol and hydrogen bromide (H-Br) at a temperature of 65°C.

**Left Structure:**
- The molecule features a cyclohexane ring with a methyl group (CH₃) and a hydroxyl group (OH) attached to the same carbon atom, forming a tertiary alcohol.

**Reaction Conditions:**
- The molecule is treated with hydrogen bromide (H-Br) at a temperature of 65°C. 

**Right Structure:**
- The product of this reaction is a cyclohexane ring with a bromine atom (Br) and a methyl group (CH₃) attached to the same carbon atom, indicating a substitution reaction where the hydroxyl group (OH) has been replaced by bromine (Br).

This reaction demonstrates a typical nucleophilic substitution, where the OH group in the alcohol is substituted by Br from H-Br, often facilitated by acid catalysis and heat to increase the reaction rate.
Transcribed Image Text:This image depicts a chemical reaction involving an alcohol and hydrogen bromide (H-Br) at a temperature of 65°C. **Left Structure:** - The molecule features a cyclohexane ring with a methyl group (CH₃) and a hydroxyl group (OH) attached to the same carbon atom, forming a tertiary alcohol. **Reaction Conditions:** - The molecule is treated with hydrogen bromide (H-Br) at a temperature of 65°C. **Right Structure:** - The product of this reaction is a cyclohexane ring with a bromine atom (Br) and a methyl group (CH₃) attached to the same carbon atom, indicating a substitution reaction where the hydroxyl group (OH) has been replaced by bromine (Br). This reaction demonstrates a typical nucleophilic substitution, where the OH group in the alcohol is substituted by Br from H-Br, often facilitated by acid catalysis and heat to increase the reaction rate.
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