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Chemistry 30A3 Fall 2011 Labs Dr. Troendle 32

Chemistry 30A3 Fall 2011 Labs Dr. Troendle 32 - product...

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Chemical Biology 3OA3, September 2009 Page 32 Questions: 1. Explain why acetic anhydride is a much more reactive acetylating reagent then acetic acid. 2. Suggest a reason why the β -anomer of glucose is acetylated faster than the α -anomer. 3. How would you establish that zinc chloride but not sodium acetate inter-converts the two
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Unformatted text preview: product anomers? 4. Suggest a reason why zinc chloride catalyzes inter-conversion of the α- and β-anomers of glucose penta-acetate, but sodium acetate does not. Reference to catalysis by N-methyl-imidazole: R. Wachowiak and K.A. Connors, Anal. Chem. 51 , 27 (1979)....
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