nefzi midterm 2

nefzi midterm 2 - . \~, "... "Dt4 ~ 0 b) Complete...

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Student Name: Problem 1: Propose synthetic strategies for the following reactions. Provide all reagents needed and show all the intennediates. (12 points each) A) /,0 r rt. .W .,C' CJ.( L \ ,- ,~ o~u 1 /---~~~ - '13 ~ at .. tot" ) H.~SOw ~ ~_c.- c.~:) I 'b "';> B) ~ o ;)1 '~"- '--" / ~c~~ 0 ] 1 0 ~ tv ~)J r en (\04,))~ll) ~ or ~U1-~"t/~/tfiO ,<:~~~~::::>~ \:~~ H <~~~) ~:= I H+jHL ~ c.1J~ - ' ( ,- ~ - C\.4 J oC) ~ ~~,. NH2 b~ / St\t. .lL. 1. "ll Q or W1./fJ ~'l'I-r ~ A.~/? 17"'/""0. ./ ~ '), NO ,~/'- to.Jvl,. Co \.4'$O{ 1~\:) l l v /,--"""""" J SO~ ) ~t~" ~?((_J ~ ~JT ~ "s J:.;. / .. ~ " &.I~ \;) I[) C=' At(~tI
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Problem 2 HBr I() 1) HNO3, H2SO4 .. 2) SnC12-2H20 Br 0.) CN- ~ DMSO Cj ~ ~ '\, ~ 0, 1) CH3MgBr 2)HCI/H20 "Q 0 2)HCI/H20 0 C(/--" B r 1)Mg/Ether 3)H+/ H2O Student Name: N 0 reo.c. ~ (;( ~ L. --~~-- 0- w dO No reo. ..(. .~ d.( c.u ~ ~ l/ Q () 0'-< 0 cO ( l'-'-.,. (\ ~ - , ~ & r -. .
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Problem 3 a) Provide a strategy for the following reaction (8 points) 'OJ Qr-
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Unformatted text preview: . \~, "... "Dt4 ~ 0 b) Complete the following reaction (16 points, 4 each) 0=0 + H2~" c= N-O 8) b) c) c5 1) CrO3 .. 2) NH2NH2 ) , JJaO~/Hlq d) Student Name: ~ c:(/ / C N i ~/I.(+ cwe I r'r\i r'.f w d-D Q-NQ-~ ef\a.M'\~~ c") OH ':)l-L:/ Problem 4 A) Propose a mechanism for the following reaction (10 points) >CX H+/H20 . .. H+ OH //' \.04 If) ~): ~w ~ ~r , >G .0 ... B) Propose synthetic strategies for the following reactions. Provide all reagents needed and show all the intennediates. (10 points) « /')0.) Y I.)CU~-~-c.Uj Q Il /'vy D C) Name the following compounds (8 points) 0 H ~NO2 I:oe,,~ ~~ J.f 3 - N, 't"C'o Student Name: ~,-~-._~ ~ uo---..-~ / """' ~ //-~~~ NHt t t--) ~o.O\A./Hl .1 ~ ~~~- 2.- ~.f;. .~ \ _h.c.'(Q.t\-i~ 5-of"' ~ -~. .c. .4\O" t...
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This note was uploaded on 05/25/2008 for the course CHEM 140C taught by Professor Nefzi during the Spring '06 term at UCSD.

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nefzi midterm 2 - . \~, "... "Dt4 ~ 0 b) Complete...

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