Exam One Key - Chem 234: Exam # | (version A) l0 February...

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Chem 234: Exam # | (version A) l0 February 2009 --r, N W Name: lLqD- FStf I Student lD number: Discussion TA: Seat Number: (l) Put your final answer in the box, when provided, to obtain full credit. (2) Please turn off any electronic devices. (3) People caught using electronic devices will have their exams confiscated, GOOD LUCK! A.'l,ty" 45 Sil/, dA): 23 tn[u , q1 loql ; I Point total: Question | (30 pts): Question 2 (30 pts): Question 3 (10 pts): Question 4 (10 pts): Question 5 (20 pts): TOTAL POINTS: Out of 100 pts
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l. (30 points) Predict the products and indicate the relative stereochemistry for the following transformations. When necessary indicate the major product. (a) (3 points) h0 ?^ + 0 AS b1, it'*"t.r'o-.**-. (b) (3 points) ' ,"-ftrnr, Et2O, -78 - 0'C phl-Me ii. H3O+ o .-\. J,,,) NaBH4, MeOH 1rt (c) (4 points) MeOH, H2SO4 t\ tl l\r ,/ ll .,"*---' I't u + f hau\l'l tJn + ,!'.,- Utl ,rL) ' igt 6o,,rA.-Dh , $f,i{ ht A-5^ t |^_ E" I Uh rlV|lv a-Bq f*- ""u. .Z,rE U B {r*^< m-6"\An-& z fpt 0n
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(d) (4 points) ct3cH, Kof-Bu c{ cf Rq. : tllrts f-BuOH llxT,," PhH, reflux ^,ll vl\-A^, ll "' o DMSO, Et3N l^f a i- Fq :l ?u\l I cH2ct2 -79 - -15 'C ^t{ "o5b t u"t m ok( --\ L--)-t" (e) (4 points) (f) (4 points) - qu" \i lf '-"-Aa l-". { I -q r: - ,L.Iirr"' 'P{ l.-'r fo AtLut ru "jr ' lrf
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(g) (4 points) (h) (4 points) (Ph3P)3RhCl (1 mol%) H2 A tl : : --\ cH2ct2 '-,-,^t-Z* i. NaNH2, NH3
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This note was uploaded on 04/14/2010 for the course ENGL 104 taught by Professor Osbourne during the Spring '08 term at A.T. Still University.

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Exam One Key - Chem 234: Exam # | (version A) l0 February...

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