For each of the following E1-elimination reactions, draw the step-by-step mechanism (first loss of the leaving group and then proton transfer):**i)**- Reactant: A compound with a bromine (Br) leaving group.- Reagent: Water (\( \text{H}_2\text{O} \)).- Expected product: An alkene formed after the elimination.**ii)**- Reactant: A compound with a methoxy group (\(\text{MeOH}\)).- Condition: Heat.- Expected product: An alkene formed after the elimination.**iii)**- Reactant: A cyclic compound with a hydroxyl group (OH) as the leaving group.- Reagent: Concentrated sulfuric acid (\(\text{conc. H}_2\text{SO}_4\)).- Condition: Heat.- Expected product: A cyclic alkene after the elimination.**Graph/Diagram Explanation:**Each reaction should depict the loss of the leaving group to form a carbocation intermediate, followed by a proton transfer to yield the final alkene product. Ensure that the diagrams show all significant intermediate structures and electron flow using appropriate curly arrows.

E1 mechanism takes place through a carbocation intermediate.

Answered: ii) 1. For each of the following…

ii) 1. For each of the following El-elimination reactions, draw the step-by-step mechanism (first loss of the leaving group and then proton transfer): + ď H-O MeOH heat H₂50, Heat

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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Question

For each of the following E1-elimination reactions, draw the step-by-step mechanism (first loss of the leaving group and then proton transfer):

**i)**
- Reactant: A compound with a bromine (Br) leaving group.
- Reagent: Water (\( \text{H}_2\text{O} \)).
- Expected product: An alkene formed after the elimination.

**ii)**
- Reactant: A compound with a methoxy group (\(\text{MeOH}\)).
- Condition: Heat.
- Expected product: An alkene formed after the elimination.

**iii)**
- Reactant: A cyclic compound with a hydroxyl group (OH) as the leaving group.
- Reagent: Concentrated sulfuric acid (\(\text{conc. H}_2\text{SO}_4\)).
- Condition: Heat.
- Expected product: A cyclic alkene after the elimination.

**Graph/Diagram Explanation:**
Each reaction should depict the loss of the leaving group to form a carbocation intermediate, followed by a proton transfer to yield the final alkene product. Ensure that the diagrams show all significant intermediate structures and electron flow using appropriate curly arrows.

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