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Unformatted text preview: hemiacetal). 2. Draw the TLC youd expect to see when monitoring your reaction, as is instructed in your lab manual. Assume it has not yet gone to completion. (2 points) 2 3. Why do you add an aqueous solution of 10% Na 2 CO 3 to your solution at the end of the reaction? Draw the acid-base reaction that occurs. (2 points) It is to get the acid out of the organic phase: 4. Draw any cyclic sugar (carbohydrate) and identify its acetal or hemi-acetal linkage. (1 point) 5. Draw the 2 products formed (in nearly equal quantities) during the protection of the following diol. Make sure to represent clearly your stereochemistry. (2 point) OH OH i-Pr H + Ph O H i-Pr O O Ph H i-Pr O O H Ph + 1 point for having the right product, no matter what the stereochemistry is. 1 point for the correct stereochemistry of both diastereoisomers....
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This note was uploaded on 01/13/2010 for the course CHM chm2526 taught by Professor Louise during the Spring '09 term at University of Ottawa.
- Spring '09