Dolbier HW Solutions 634

Dolbier HW Solutions 634 - 728 CARBOHYDRATES A-5. Write...

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A-5. Write structural formulas for the a - and b -methyl pyranosides formed from the reaction of D -mannose (see Problem A-2 for its structure) with methanol in the presence of hydrogen chloride. How are the two products related are they enantiomers? Diastereomers? PART B B-1. Choose the response that provides the best match between the terms given and the structures shown. Diastereomers Enantiomers ( a ) 1, 3, and 4 1 and 3 ( b ) 1 and 2 1 and 3 ( c ) 1, 2, and 3 1 and 3 ( d ) 1 and 4 1 and 2 B-2. A D carbohydrate is ( a ) Always dextrorotatory ( b ) Always levorotatory ( c ) Always the anomer of the corresponding L carbohydrate ( d ) None of the above B-3. Two of the three compounds shown yield the same product on reaction with warm HNO
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This note was uploaded on 10/03/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.

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