Multiple Choice
Which of the following factors primarily influence the rate of organic reactions in terrestrial ecosystems?
3. Acids and Bases
Organic Chemistry Reactions
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In the context of organic chemistry reactions, what is the major product formed when 2-methyl-2-butene undergoes hydroboration-oxidation?
A
3-methyl-1-butanol
B
2-methyl-1-butanol
C
3-methyl-2-butanol
D
2-methyl-2-butanol
Verified step by step guidance1
Identify the starting material: 2-methyl-2-butene, which is an alkene with a double bond between the second and third carbon atoms.
Understand the hydroboration-oxidation reaction: This is a two-step reaction where the alkene first reacts with borane (BH3) to form an organoborane intermediate, followed by oxidation with hydrogen peroxide (H2O2) in a basic solution to form an alcohol.
Determine the regioselectivity of hydroboration: The boron atom adds to the less substituted carbon of the double bond (anti-Markovnikov addition), which in this case is the terminal carbon of the alkene.
Predict the intermediate: The organoborane intermediate will have the boron atom attached to the terminal carbon, and the hydrogen atom from BH3 will add to the more substituted carbon.
Complete the reaction: During the oxidation step, the boron atom is replaced by a hydroxyl group (OH), resulting in the formation of 2-methyl-1-butanol as the major product.
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