All Questions
Tagged with organoboron-compounds c-c-addition
3
questions
11
votes
1
answer
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Why does boron add to the less substituted carbon in the hydroboration of an alkene?
In the hydroboration of a typical alkene, the boron fragment ends up attached to the less substituted carbon:
What are the electronic or steric factors that lead to this regioselectivity?
- 1,024
2
votes
1
answer
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What is the stereochemistry resulting from hydroboration of 1-methylcyclopentene?
What is the major product of the following reaction sequence?
I'm supposed to work out the structures of both 2 and 3, but I already know 2 to be 1-methylcyclopentene (as the most substituted ...
- 507
7
votes
2
answers
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Hydroboration/oxidation vs acid-catalyzed hydration of 1-phenylpropene
I am trying to predict the products of both the hydroboration/oxidation and acid-catalyzed hydration of 1-phenylpropene:
Both C1 and C2 of the double bond are secondary carbons. However, I have the ...
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