4 Draw the complete, detailed mechanism (including curved arrows) for each of the following reactions occurring via (a) an E2 mechanism and (b) an E1 mechanism. If more than one possible product can be produced from the same type of mechanism, draw the complete mechanism that leads to each one. Pay attention to stereochemistry. (i) (i) Br NaOH ? NaOH CI (iii) (iv) CI KOC(CH3)3 NaOCH3 ? H3C CH3

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**Problem 8.44**

**Objective:** Draw the complete, detailed mechanism (including curved arrows) for each of the following reactions occurring via (a) an E2 mechanism and (b) an E1 mechanism. If more than one possible product can be produced from the same type of mechanism, draw the complete mechanism that leads to each one. Pay attention to stereochemistry.

**Reactions:**

(i) A chlorocyclohexane compound reacting with NaOH.

(ii) A bromocyclohexane compound reacting with NaOH.

(iii) An iodocyclohexane compound with a methyl group, reacting with KOC(CH₃)₃.

(iv) A chlorocyclohexane compound with a methyl group, reacting with NaOCH₃.

(v) A chlorocyclohexane compound with two methyl groups, reacting with KOH.

(vi) A dichlorocyclohexane compound with a methyl group, reacting with KOH.

**Note:** The solutions require drawing mechanisms with curved arrows to show the movement of electrons during the reaction. You'll need to identify where elimination can occur and illustrate the structural changes in the organic compounds. Carefully consider the stereochemistry involved in each potential reaction product.
Transcribed Image Text:**Problem 8.44** **Objective:** Draw the complete, detailed mechanism (including curved arrows) for each of the following reactions occurring via (a) an E2 mechanism and (b) an E1 mechanism. If more than one possible product can be produced from the same type of mechanism, draw the complete mechanism that leads to each one. Pay attention to stereochemistry. **Reactions:** (i) A chlorocyclohexane compound reacting with NaOH. (ii) A bromocyclohexane compound reacting with NaOH. (iii) An iodocyclohexane compound with a methyl group, reacting with KOC(CH₃)₃. (iv) A chlorocyclohexane compound with a methyl group, reacting with NaOCH₃. (v) A chlorocyclohexane compound with two methyl groups, reacting with KOH. (vi) A dichlorocyclohexane compound with a methyl group, reacting with KOH. **Note:** The solutions require drawing mechanisms with curved arrows to show the movement of electrons during the reaction. You'll need to identify where elimination can occur and illustrate the structural changes in the organic compounds. Carefully consider the stereochemistry involved in each potential reaction product.
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