ps_1 (2) - Problem Set I M. Movassaghi Chemistry 5.43...

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Chemistry 5.43 Problem Set I Monday 2.12.2007 Due in class: Tuesday, Feb. 20, 2007 at 12:05 pm. 2. For each pair of compounds: • Specify the isomeric relationship (i.e., identical, constitutional 1. For each molecule: isomers, diastereomers, or enantiomers). • Indicate whether or not it is chiral or achiral at 25 °C. • Assign absolute configuration to all stereocenters using the Cahn- • Assign absolute configuration to all stereocenters using the Cahn- Ingold-Prelog convention. Ingold-Prelog convention. • For achiral molecules, describe the symmetry element. Me .. .. Me P P a. CO 2 H H HO a. H b. HO H OH + H 3 N CO 2 HO OH NH 2 NH 2 HO OH H N CO 2 b. CO 2 H d. + H 3 N CO 2 Me Me CO 2 Me H c. HO 2 C H Me OH O OH Me O H H S C C C N OMe OMe e. HO 2 C CO 2 H f. c. MeO 2 C CO 2 Me MeO 2 C CO 2 Me Me Me Me Me .. Me Me 3. For each of the circled groups indicate their topological relationship. P
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 20.410j taught by Professor Rogerd.kamm during the Spring '03 term at MIT.

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ps_1 (2) - Problem Set I M. Movassaghi Chemistry 5.43...

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