11 - 2/15/2012 What are the structures of and ? What are...

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Unformatted text preview: 2/15/2012 What are the structures of and ? What are the structures of and ? (C10H12) (C10H12) What is the structure of ? What are the structures of compounds A and B? (C10H12) A B C D (C10H12) What are the structures of and ? Why is chlorobenzene an ortho-para director in electrophilic substitution? Why is chlorobenzene less reactive than benzene? (C10H12) reactivity 1 2/15/2012 deactivates the ring (o/p/m) inductive effect activates the ring (o/p) resonance effect Which amine is the most basic? A sp2 pKa = 25 pKa ~ 50 pKa = 5.3 inductive effect reactivity resonance effect sp3 Why do the OH and Cl substituents behave differently? C pKa = 11.2 Which amine is the least basic? aromatic aromatic What is the more reactive compound? A aromatic not aromatic A B C B Which amine is the most basic? Propose a good synthesis for the following compound from compounds containing four carbon atoms or less and benzene. A What would be a good last step? Why? B C 2 2/15/2012 What would be a good Diels-Alder product to start this synthesis? It the alternative strategy involving Diel-Alder reaction better? alternative strategy A B C D What would be a good reactant in the last step? What would be a good reactant in the last step? 3 ...
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This note was uploaded on 03/27/2012 for the course CHE 322 taught by Professor Staff during the Spring '08 term at SUNY Stony Brook.

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