Describe the predominant mechanism( SN1, E1, SN2, E2) in the following reaction to draw the major product(s). **Chemical Reaction Pathways**1. **Reaction 1:** - **Starting Material:** A chiral alcohol with an alkene group. - **Reagent:** HCl (Hydrochloric acid) - **Reaction:** The hydroxyl group (OH) undergoes a substitution reaction with HCl. The exact product is not shown, but typically, an alkyl chloride would be formed.2. **Reaction 2:** - **Starting Material:** A chiral tosylate (OTs) compound with an alkane chain. - **Reagents:** KSH (Potassium hydrosulfide) and DMSO (Dimethyl sulfoxide) - **Reaction:** The tosylate (OTs) group is replaced by a thiol (SH) group under these conditions, facilitating a nucleophilic substitution.3. **Reaction 3:** - **Starting Material:** A chiral bromocyclohexane with a methyl group. - **Reagents:** NaOCH₃ (Sodium methoxide) in CH₃OH (Methanol) - **Reaction:** The bromine (Br) is replaced by an alkoxide (OCH₃) group, indicating a nucleophilic substitution reaction.4. **Reaction 4:** - **Starting Material:** A bromoalkyl benzene derivative. - **Reagents:** NaN₃ (Sodium azide) in a mixture of EtOH (Ethanol) and H₂O (Water) - **Reaction:** The bromine group is substituted by an azide group (N₃), a common transformation in organic synthesis.These reactions represent various examples of nucleophilic substitution reactions, where one nucleophile substitutes another within an organic molecule, often changing functional groups and influencing stereochemistry.

SN1 and SN2 reaction: The primary alkyl halide gives bimolecular nucleophilic substitution reaction…

Answered: OH HCl OTs KSH DMSO CH3 NaOCH3 CH3OH Br…

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OH HCl OTs KSH DMSO CH3 NaOCH3 CH3OH Br NaN3 Br ETOH/H20

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter22: Organic Chemistry And Biochemistry

Section: Chapter Questions

Problem 79QE

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Question

Describe the predominant mechanism( SN1, E1, SN2, E2) in the following reaction to draw the major product(s).

**Chemical Reaction Pathways**

1. **Reaction 1:**
- **Starting Material:** A chiral alcohol with an alkene group.
- **Reagent:** HCl (Hydrochloric acid)
- **Reaction:** The hydroxyl group (OH) undergoes a substitution reaction with HCl. The exact product is not shown, but typically, an alkyl chloride would be formed.

2. **Reaction 2:**
- **Starting Material:** A chiral tosylate (OTs) compound with an alkane chain.
- **Reagents:** KSH (Potassium hydrosulfide) and DMSO (Dimethyl sulfoxide)
- **Reaction:** The tosylate (OTs) group is replaced by a thiol (SH) group under these conditions, facilitating a nucleophilic substitution.

3. **Reaction 3:**
- **Starting Material:** A chiral bromocyclohexane with a methyl group.
- **Reagents:** NaOCH₃ (Sodium methoxide) in CH₃OH (Methanol)
- **Reaction:** The bromine (Br) is replaced by an alkoxide (OCH₃) group, indicating a nucleophilic substitution reaction.

4. **Reaction 4:**
- **Starting Material:** A bromoalkyl benzene derivative.
- **Reagents:** NaN₃ (Sodium azide) in a mixture of EtOH (Ethanol) and H₂O (Water)
- **Reaction:** The bromine group is substituted by an azide group (N₃), a common transformation in organic synthesis.

These reactions represent various examples of nucleophilic substitution reactions, where one nucleophile substitutes another within an organic molecule, often changing functional groups and influencing stereochemistry.

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