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bjb0403866782
Joined: 08 Jun 2009
Posts: 2
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 Posted: Tue Mar 16, 2010 12:07 pm Post subject: Substitution vs. Elimination |
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I understand that Sn1 is favored over Sn2 for the substitution part of the reaction because of the tertiary carbocation stability.
But why is E2 favored and not E1 for the elimination part of the reaction? I thought E1 competes with Sn1 and E2 vs. Sn2?
The only reason I could think of why it is E2 is for the fact that it reacts with the sodium ethoxide (which is a strongly basic hindered nucleophile). Is this the correct logic concerning the E2 mechanism?
This question is refferring to page 8 of the GS1-BS section. |
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mcat_premed3832
Joined: 19 Oct 2006
Posts: 428
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| Posted: Wed Mar 17, 2010 4:29 am Post subject: |
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| This question goes further than the MCAT would go so you really don't have to worry. Understanding the SN1 vs SN2 is your priority which you already have. But if you want more, here it is: http://cnx.org/content/m15749/latest/ |
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