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Unformatted text preview: proton Protonated Hemiacetal (this intermediate will loose H 2 O) + H Hint: next step is the nucleophilic attack of ethylene glycol-use one of the oxygen atoms Hint: this is a proton transfer- H continue on next page CH 3 O CH 2 H 2 C O-H 2 O Carbocation intermediate Hint: this is an intramolecular ring closure Protonated Acetal-H Product: acetal Hint: this is a loss of a proton...
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This note was uploaded on 02/22/2010 for the course CH 318N taught by Professor Willson during the Spring '08 term at University of Texas.
- Spring '08