For the reaction given below, predict which product will be the major one and by what mechanism it will form: LDA ..OTs THF CH3 CH3 H;C CH H,C CH3 H,C CH, B B by an E2 mechanism O A by and E2 mechanism B by an E1 mechanism A by an E1 mechanism

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Practice Question: Reaction Prediction**

For the reaction given below, predict which product will be the major one and by what mechanism it will form:

**Reaction Scheme:**

A cyclohexane ring with an OTs (tosylate) group and two methyl groups \((CH_3)\) as substituents undergoes reaction with LDA (Lithium diisopropylamide) in THF (tetrahydrofuran) solvent to produce two possible products:

- **Product A**: Cyclohexene with one double bond and a methyl group.
- **Product B**: Cyclohexene with a different position of the double bond and a methyl group.

**Answer Choices:**

- ○ B by an E2 mechanism
- ○ A by an E2 mechanism
- ○ B by an E1 mechanism
- ○ A by an E1 mechanism

**Explanation:** The correct answer identifies the major product and the mechanism by which it forms.
Transcribed Image Text:**Practice Question: Reaction Prediction** For the reaction given below, predict which product will be the major one and by what mechanism it will form: **Reaction Scheme:** A cyclohexane ring with an OTs (tosylate) group and two methyl groups \((CH_3)\) as substituents undergoes reaction with LDA (Lithium diisopropylamide) in THF (tetrahydrofuran) solvent to produce two possible products: - **Product A**: Cyclohexene with one double bond and a methyl group. - **Product B**: Cyclohexene with a different position of the double bond and a methyl group. **Answer Choices:** - ○ B by an E2 mechanism - ○ A by an E2 mechanism - ○ B by an E1 mechanism - ○ A by an E1 mechanism **Explanation:** The correct answer identifies the major product and the mechanism by which it forms.
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