Key-Mid-II-Spring140C-2007

Key-Mid-II-Spring140C-2007 - #E—tfloPr‘oFfl#3...

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Unformatted text preview: #E—tfloPr‘oFfl #3+Mfil£j1{)7flllol€ Student Nme:_@ Problem 1 What are the expected products for the following reactions? )—/ Provide the mechanisms for both reactions and name the final products. [2!] points) I..——-.‘H o A‘s—F .- x“ J 4,}; [heat] H I #1174; I»fl / E “It .r" H - 1.1"7' +‘i J Jr J 1.: new} 1"“: \ 1 . -+ -H ha as pit” t-w Tap-flu ' .. {A J H0 g\\ _F__ (5)1"? Ti sf“ H H H“ [Al EH 3 Student Name: Problem 2 lIfomplete the following reactions {15 points) #1} F H H on no Mauve“ 2—; H D E q 2] Hel {shame I hagt, mra might {531 W "”‘ .53 N HR _ f 01+ -t‘ Hut! V “not... @ fL-e '+ t LL»: '1‘?“ Migikg IQ (a) b} Student Name: Problem 3 Provide the principal organic products of the following reactions: (22 pointS] a n '3 L‘AIH x a i \/ a0: 4* . —_- L w riaH reflux - THF “To @ l a x m If: LDA LIT NH 3% —-l-- {a , N THF N“ in out; DHSD N G) ' 0 NHgNHz - r AGOH, heat nil—r” CI H / Err. d} I ‘ BI}, FEEF3 Q *3 heat N heat is ooM, heat ‘5 £3 0 0 ti r. 1 KoHrH o /' JWOH H 0mm El} mil L—Eh-r k i ‘ 2—1... “J” \-/“\GH 2} D 0 B NJLDH / g Q heat “a \ CHaclr‘AlCIg /T6 O "a 6-3 a, I, —1.— Q“ 0 _L. z omso Student Name: Problem 4 Provide strategies for each at the following transfennatiens. Provide all the reagents needed and show all the intermediates. [2!] points) a} a.“ I ,- —.'I-r , N u NH2 7m; '55“ r ’9'“ F' E :3 M haunt “a; h PM. “uh SH 1:} L Student Name: Problem 5 it} Using Strookor Synthosis provido a stratogy for the synthesis of L—Isoleuoine (10 points) H.- {FR A/SE/Hflfl w I \l{ FCC H‘oIlrafi er 954 (£3 “Eras—HAM W ‘3 b) What are the major products for the following roaotions? (12 points} Ho OH o i 1. —Na+ Ho A! H (Ea HormcoI-ucaid] )QS HO OH —h- A afieg B —I- G ————h— D 0” pyridineflJCIfl - DMSOJ _ . J, , an ...
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This test prep was uploaded on 04/07/2008 for the course CHEM 140C taught by Professor Nefzi during the Spring '06 term at UCSD.

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Key-Mid-II-Spring140C-2007 - #E—tfloPr‘oFfl#3...

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