What is the main product when propene undergoes hydroboration-oxidation?

Practice Questions

Q1
What is the main product when propene undergoes hydroboration-oxidation?
  1. Propan-1-ol
  2. Propan-2-ol
  3. Propanoic acid
  4. Butanol

Questions & Step-by-Step Solutions

What is the main product when propene undergoes hydroboration-oxidation?
  • Step 1: Start with propene, which is a three-carbon alkene with a double bond between the first and second carbon atoms.
  • Step 2: Perform hydroboration by adding borane (BH3) to propene. This step adds a boron atom to the less substituted carbon (the first carbon) and a hydrogen atom to the more substituted carbon (the second carbon).
  • Step 3: After hydroboration, you have an organoborane intermediate. Next, perform oxidation by adding hydrogen peroxide (H2O2) and a base (like NaOH).
  • Step 4: The oxidation step replaces the boron atom with a hydroxyl group (OH) on the first carbon, resulting in propan-2-ol, which is an alcohol.
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