34. Identify the major and minor products for each of the following E2 reactions: ? t-BUOK NaOEt (a) (Ь) NaOH t-BUOK (c) (d)

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**34. Identify the major and minor products for each of the following E2 reactions:**

**Diagrams Explanation:**

Each part (a-f) shows an organic molecule with a leaving group (halogen) undergoing an E2 (bimolecular elimination) reaction. The reactions prompt questions about the major and minor products formed.

- **(a)** A cyclohexane ring with a chlorine (Cl) substituent reacts with sodium ethoxide (NaOEt).
- **(b)** A cyclohexane ring with a chlorine (Cl) substituent reacts with potassium tert-butoxide (t-BuOK).
- **(c)** A linear alkane chain with an iodine (I) substituent reacts with sodium hydroxide (NaOH).
- **(d)** A linear alkane chain with an iodine (I) substituent reacts with potassium tert-butoxide (t-BuOK).
- **(e)** A cyclohexane ring with a bromine (Br) substituent reacts with potassium tert-butoxide (t-BuOK).
- **(f)** A cyclohexane ring with a bromine (Br) substituent reacts with potassium tert-butoxide (t-BuOK), with the Br connected via a wedge, implying stereochemistry.

**Note:** These E2 reactions typically result in the formation of alkenes. The major product often follows Zaitsev's rule, favoring the more substituted alkene, except when steric hindrance or special conditions apply.
Transcribed Image Text:**34. Identify the major and minor products for each of the following E2 reactions:** **Diagrams Explanation:** Each part (a-f) shows an organic molecule with a leaving group (halogen) undergoing an E2 (bimolecular elimination) reaction. The reactions prompt questions about the major and minor products formed. - **(a)** A cyclohexane ring with a chlorine (Cl) substituent reacts with sodium ethoxide (NaOEt). - **(b)** A cyclohexane ring with a chlorine (Cl) substituent reacts with potassium tert-butoxide (t-BuOK). - **(c)** A linear alkane chain with an iodine (I) substituent reacts with sodium hydroxide (NaOH). - **(d)** A linear alkane chain with an iodine (I) substituent reacts with potassium tert-butoxide (t-BuOK). - **(e)** A cyclohexane ring with a bromine (Br) substituent reacts with potassium tert-butoxide (t-BuOK). - **(f)** A cyclohexane ring with a bromine (Br) substituent reacts with potassium tert-butoxide (t-BuOK), with the Br connected via a wedge, implying stereochemistry. **Note:** These E2 reactions typically result in the formation of alkenes. The major product often follows Zaitsev's rule, favoring the more substituted alkene, except when steric hindrance or special conditions apply.
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