practicekey2 - CHEM 3719 Practice Exam 2 – Fall 2000 1....

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CHEM 3719 Practice Exam 2 – Fall 2000 1. Draw the structure(s) of the major organic product(s) in the following reactions. HBr, peroxides EtOH, heat KOH Br CH 3 Pd (cat) H 2 (gas) CH 3 CH 3 heat or UV light Br 2 PBr 3 OH SOCl 2 OH OH HCl G) F) E) D) C) B) A) Cl Cl Br Br CH 3 CH 3 H H CH 3 CH 3 Br
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CHEM 3719 Practice Exam 2 – Fall 2000 H 2 SO 4 , heat OH CH 3 Cl 2 , H 2 O CH 3 CO 3 H 2) Me 2 S 1) O 3 2) H 2 O 2 , - OH 1) BH 3 H 2 O 50% H 2 SO 4 HCl N) M) L) K) J) I) H) Cl CH 3 OH CH 3 CH 3 OH H O O O CH 3 OH CH 3 Cl CH 3
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2. Provide a complete, step by step mechanism for reactions A), D), F), G), H), I), L), M), and N) on pages 1 and 2, which would account for the products you have proposed as answers. Draw the structures of all intermediates formed in the mechanism. Cl A) HCl OH H Cl OH 2 C CH 3 H 3 C H 3 C Cl Br D) Br 2 heat or UV light Br Br 2 Br Initiation H Br HBr Propagation Propagation Br Br Br Br The two propagation steps will repeat several thousand times
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practicekey2 - CHEM 3719 Practice Exam 2 – Fall 2000 1....

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