The following reaction is similar to the dehydration of 2-methylcyclohexanol. However, a significant amount of a tetrasubstituted alkene is expected. Predict the structure for this tetrasubstituted alkene. Also, using curved arrows, provide a reasonable mechanism for its formation. НО. H3PO4 ??? (-H2O)

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**Dehydration of 2-Methylcyclohexanol**

The reaction presented is similar to the dehydration of 2-methylcyclohexanol. In this process, a significant amount of a tetrasubstituted alkene is expected to form as a product. 

**Objective:** 
Predict the structure of this tetrasubstituted alkene. Furthermore, provide a reasonable mechanism for its formation using curved arrows.

**Reaction Details:**

- **Starting Material:** 2-Methylcyclohexanol
- **Reagent:** Phosphoric acid (\( \text{H}_3\text{PO}_4 \))
- **Condition:** Heating (\( \Delta \))
- **By-product:** Water is eliminated \((- \text{H}_2\text{O})\).

**Illustration:**
The image shows the molecular structure of 2-methylcyclohexanol with an OH group attached to a cyclohexane ring. 

**Expected Outcome:**
Using this information, students are tasked with predicting the structure of the expected tetrasubstituted alkene and providing a detailed mechanism involving curved arrows to explain its formation during the acid-catalyzed dehydration process.
Transcribed Image Text:**Dehydration of 2-Methylcyclohexanol** The reaction presented is similar to the dehydration of 2-methylcyclohexanol. In this process, a significant amount of a tetrasubstituted alkene is expected to form as a product. **Objective:** Predict the structure of this tetrasubstituted alkene. Furthermore, provide a reasonable mechanism for its formation using curved arrows. **Reaction Details:** - **Starting Material:** 2-Methylcyclohexanol - **Reagent:** Phosphoric acid (\( \text{H}_3\text{PO}_4 \)) - **Condition:** Heating (\( \Delta \)) - **By-product:** Water is eliminated \((- \text{H}_2\text{O})\). **Illustration:** The image shows the molecular structure of 2-methylcyclohexanol with an OH group attached to a cyclohexane ring. **Expected Outcome:** Using this information, students are tasked with predicting the structure of the expected tetrasubstituted alkene and providing a detailed mechanism involving curved arrows to explain its formation during the acid-catalyzed dehydration process.
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