CHM249 2007 Test 2

CHM249 2007 Test 2 - Name: CHEMISTRY 249S Examination 2...

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Name: Page 1 of 6 CHEMISTRY 249S Examination 2 March 29th 2007 Answer all questions in the spaces provided on the examination sheets, indicating clearly what is to be graded. PRINT YOUR NAME AND STUDENT NUMBER CLEARLY ON THE FIRST PAGE OF THE EXAM BOOKLET NAME: STUDENT NUMBER: Allowed Aids: Molecular Models Calculators and other electronic devices are not permitted in this examination Credit will be given for partial answers WAIT UNTIL YOU ARE TOLD TO BEGIN Marking Scheme Question 1 70 Question 2 30 Question 3 40 Question 4 50 Good Luck! Total 190
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Name: Page 2 of 6 Abbreviations: butyl (C 4 H 9 ) catalytic heat equivalents methyl (CH 3 ) phenyl (C 6 H 5 ) Si(CH 3 ) 2 t- Bu Bu: cat.: : equiv: Me: Ph: TBS: Cl O OOH m CPBA: PCC: N H ClCrO 3 Questions: 1. Draw the final product of the following reactions. You may assume standard aqueous work- up steps are used as required. ( 70 Points ) (a) LiAlH 4 O H (b) NO 2 F Cl NaOMe / MeOH (c) OH CPBA
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Name: Page 3 of 6 (d) OH S O O Cl Me pyridine
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CHM249 2007 Test 2 - Name: CHEMISTRY 249S Examination 2...

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