215 Exam 3 practice - 1) Shown below is the Fischer...

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CHO H OH H OH H OH 1) Shown below is the Fischer projection of D-erythrose. 2) Shown below is the Fischer projection of D-Idose D-Idose a) Draw the Haworth projections for the furanose and pyranose forms. Draw both the alpha and beta forms. b) Draw the pyranose forms in a chair conformation. Draw both the alpha and beta forms. c) What is the IUPAC name for the open chain form? d) Draw D-Idose as a line and wedge structure. (i.e. ) a) Draw L-erythrose b) Convert both forms to the furanose forms. Depict as a Haworth projection. D-erythrose 3) Repeat problem 2 for D-Talose D-Talose 4) Repeat problem 2 for D-tagatose D-tagatose 5) Below is the Haworth projection of a cyclic sugar. O H OH H OH OH H H OH H OH a) Is the sugar D or L? alpha or beta? furanose or pyranose? b) Convert the Haworth into the open chain aldose form. Depict as a Fischer projection 6) Below is the Haworth projection of a cyclic sugar. OH
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This note was uploaded on 04/02/2008 for the course CHEM 215 taught by Professor Koreeda during the Winter '07 term at University of Michigan.

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215 Exam 3 practice - 1) Shown below is the Fischer...

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