118cpracmt1key

118cpracmt1key - noted If no reaction occurs state ‘No Reaction’ OH O PBr 3 Br O O OCH 2 CH 3 1 DIBAL THF 2 H 3 O O Cl H 2 O 20 C NH 2 O Cl O C

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1 Chemistry 118 C Fall 2006 First Midterms Wed. October 18, 2006 Instructor: Lievens This exam contains six (6) pages and XXXX () problems. Please make sure that your copy contains all six pages. If there is a problem, please tell the exam administrator prior to beginning. Please answer all questions. Remember that UCDavis Code of Academic Conduct applies to this exam and all other graded work in this class. Name: ________________________________________________________________ Last First MI Student ID. # __________________________________________________________ T.A./ Lab Section: ______________________________________________________ Problem # Points 1 2 3 4 5 6 Total (100)
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2 1. (24 pts). Draw the structure of the expected organic product(s) formed in the following reactions. Assume all reagents listed are present in excess unless otherwise
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Unformatted text preview: noted. If no reaction occurs, state ‘No Reaction’. OH O PBr 3 Br O O OCH 2 CH 3 1) DIBAL, THF 2) H 3 O + O Cl H 2 O, 20 ! C NH 2 O Cl O C N 1) LiAlH 4 , Ether 2) H 3 O + 1) H 2 SO 4 , H 2 O 2) SOCl 2 1) ((CH 3 ) 2 CHCH 2 ) 2 CuLi, THF 2) H 3 O + O H + HOCH 2 CH 3 O OH NH 2 O Cl O (CH 3 ) 2 CHCH 2 Cu + LiCl A) B) C) D) E) F) 5 4. (8 pts). Rank the following compounds in decreasing order of acidity. HO S OH O O H 3 C OCH 3 O O OH O OH NO 2 O 2 N NO 2 NH 2 O OH O OH CH 2 NH 2 CH 2 OH A B C D E F G H F > B > G > E > D > H > A > C Highly Acidic Moderately Acidic Poorly Acidic 5. (6 pts.) Provide the systematic names of each of the following compounds. A) B) C) OCH 3 O OCH 2 CH 3 F 3 C O Cl H O O O ethyl 3-methoxybenzoate or ethyl m-methoxybenzoate trifluoroethanoyl chloride or trifluoroacetoyl chloride formic propanoic anhydride...
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This note was uploaded on 10/11/2008 for the course CHE 118c taught by Professor Nasiri during the Spring '08 term at UC Davis.

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118cpracmt1key - noted If no reaction occurs state ‘No Reaction’ OH O PBr 3 Br O O OCH 2 CH 3 1 DIBAL THF 2 H 3 O O Cl H 2 O 20 C NH 2 O Cl O C

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