FinalExam_spring 2007

FinalExam_spring 2007 - Version 1 (yellow) Chemistry 231,...

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Version 1 (yellow) Chemistry 231, Final Exam Instructor: Bergdahl Spring 2007 Name:_________________________________________________________ Be prepared to show ID upon request. **No cellular phones or calculators are allowed during the test** My laboratory instructor (TA) for Spring 2007 is (Please circle): Isabella Casey Gloria Don’t have a TA this semester. Before you start the exam, make sure that you have 13 problems!
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Version 1 (yellow) My student I.D. (red I.D.) number is: Good Luck! For graders only: Problem: #1_________/12p #2_________/24p #3_________/27p #4_________/16p #5_________/7p #6_________/12p #7_________/16p #8_________/15p #9_________/10p #10________/20p #11________/25p #12________/18p #13________/18p Total:________/220p Grand Total:________/ Max 200p
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Version 1 (yellow) Problem 1 . Propose mechanisms for the following two reactions showing structures of possible intermediates and using curved arrows to indicate the electron flows in every step. Also indicate stereochemistry where appropriate. (12p) A) OH PBr 3 Br CH 2 Cl 2 (solvent) B) O Excess 100% HBr Br Br
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Version 1 (yellow) Problem 2 . What reagents are necessary in order to complete the following conversions. (24p) Br Br H O O OH OH OH OH
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Version 1 (yellow) Problem 3 . What products will be formed in the following indicated reactions. (27p) Cl H I HO Cl THF (Solvent) O O Na H 3 C CH 3 CH 3 O K NaF DMSO (Solvent) Br DMF (Solvent) CH 3 A) 1) CH 3 Li, THF (Solvent) 2) B) C)
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This note was uploaded on 04/17/2008 for the course CHEM 231 taught by Professor Bergdahl during the Spring '08 term at San Diego State.

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FinalExam_spring 2007 - Version 1 (yellow) Chemistry 231,...

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