Organic Chemistry

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10. Addition Reactions

Markovnikov

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The general addition mechanism looks pretty straightforward, but what if the π-bond is asymmetrical? How can we tell which side the –X will add to?

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concept

How to add to asymmetrical double bonds.

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Markovnikov’s Rule predicts that the carbocation will ALWAYS form on the more stable carbon, or the carbon that can eventually become more stable.

 

Note: Some professors teach that the “H will go to the side with the most H’s”. While this is usually true, I believe this misses the greater concept behind Markovnikov’s Rule, so I stay away from this explanation. 

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Provide the mechanism

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