
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:**Multistep Synthesis Problem**
Consider the following multistep synthesis:
1. A starting molecule has a bromine atom attached to a cyclohexane ring.
2. The first transformation (Step 1) involves converting this molecule into a cyclohexene.
3. In the second step, the cyclohexene is reacted with HBr in the presence of a peroxide (ROOR), resulting in a new intermediate.
4. This intermediate is then further reacted in step 3 with Br₂ to produce the final product.
**Question:**
What is the identity of reagent 1?
**Options:**
- ○ KOtBu
- ○ CH₃OH
- ○ CH₃CH₂OH
- ○ NaOCH₃
- ○ More than one of these can accomplish this transformation.
- ○ None of these can accomplish this transformation.
**Discussion/Explanation:**
The reagents provided in the options are potential bases or solvents that might facilitate the elimination or substitution reactions necessary for transformations. The identity of reagent 1 will determine the successful conversion of the starting bromocyclohexane into cyclohexene via an elimination reaction.
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