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Unformatted text preview: O H H Protonated Hemi-acetal Structure (protonated on ether oxygen) Continued on next page #2 #3 #4 Hint: this is a ring opening step OH CH 2 H 2 C HO + Neutral Ketone Final Product H 3 C C H 2 CH 3 O O CH 2 CH 2 OH H 3 C C H 2 CH 3 O H Protonated Hemi-acetal Structure (protonated on ether oxygen) same structure as in #4 H O CH 2 CH 2 OH H 3 C C H 2 CH 3 O H 2 o Carbocation (resonance stabilized) H H this is the loss of neutral ethylene glycol #4 #5 this is the loss of a proton...
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This note was uploaded on 03/16/2010 for the course CH 53705 taught by Professor Colapret during the Fall '09 term at University of Texas.
- Fall '09