Chem634_F11_PS01 - Chemistry 634: Advanced Organic...

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Chemistry 634: Advanced Organic Chemistry – Synthesis and Reactivity Fall 2011, University of Delaware Prof. Donald Watson Problem Set 1 Due Beginning of Class 9/6/11 You may work in groups. No not try to fit answers on these pages, use separate paper. These problems should be review, if they are not easy for you to work, please review your undergraduate organic text asap. 1) Please draw all important resonance structures for the following molecules. NH 2 CN CO 2 Et Me CO O 2 N OMe O N Me 2) Please label each of the following molecules as chiral or achiral. If achiral, identify the symmetry elements that make it so. If chiral, please label stereocenters. Please label any meso molecules as such. Me Me Cl Me Me CH 3 Me Me Cl MeO MeO OMe OMe OMe Br MeO OMe Me Me Br Br OH t Bu · Me Me 3) Please
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Chem634_F11_PS01 - Chemistry 634: Advanced Organic...

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