Key Midterm I

Key Midterm I - fonnulas for the intennediates...

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Problem 1 Provide the major products for the following reactions. (24 points) 0 a) I ~ ~ + )lo/"'-. . ~ b) '- 1) Ph3P. >-" r~. .3 \ 0 0 I 'a 2) BuU \ . ~ T~ c) 0 00 d) 8) Student Name 1) NaOH/H~ 2) W 3
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Problem 2 t~ u t-' 0 k..f- D 0 1-.(- CD H-t" -It' ~ - CD ~-QI- ~ I ~ A_A- .- - ~2.~- 4
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Problem 3 A) Starting from benzene, provide all the reagents and intennediates needed for the following transfonnation (No mechanism needed). (10 points) _. . 0- / OI~ d 1t(~ C.1Jj GO I I I I-fO~~ HL'tO'" J c..u~ , ~ ) ~ I NO L Ci) @ Student Name: CHS ~Br y HNyO CHS CJA~~,:) ~J - , c.u~ . @ \ - Pt' J ,',." ~ s
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Problem 4 Provide all the reagents and intermediates needed for the following reaction. (16 points) Brl, /I="e f>t" () @ 8r J-n 1:::::-/ I @ t-JJ Hz./P.d/L 1 H 43(" ~ ~/ , Of. ~I\l.{ z. f) '~;~~~-:-~ tlJHz. Student Name: 0 ~OtJO H T 6'" -- I I ~--~~--~ o°c. . Br3- B~~- ~ f>(' / Sf'" ,,- CIA ~ \.:=. .:J / D '\--" Ul /- ( Pt' J"'9 i b 'I\tH~ ~'" 8r //~ ~) , Br 0 Kd \.(c~ t-Ja. . ~ '" 11 , ~ ~/ , tJ~ CN -- C\JC~ U,ot Q 6
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Problem 5 a) Write structural
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Unformatted text preview: fonnulas for the intennediates Ja'" ,NH2 +-A: """""""'W~ c~ r~ b . . '\./ . /" '\ t.J '" / t-.J \( "". ."", f Student Name: A. B. C. D. E and F. (18 points) Na+ B CHsOO ICHsOH ~ C H3Q+ I Br-C~~Hs A 1 1) NaOH, ~ 2) H,o+, heat D 1.""" NH2 ~ 2. NaBHsCN F NaNOt. i'D. HaC 4 ooc E C9 I';> ,,-,-,/ '(9 tJ"""""""'-'-I NO F: z 7 Problem 6 Write arrow formalism mechanisms for the following reactions. (12 points) . vT- ~ 1""'\ .J!J / 4> ~ "(!; ~A.'" ~ ~ ciS jw J ~ "t:_- J ct ~/ r::) u Eo1 l Hoof lV ti> "0 ~ j /' ~\/ ( ~Lh8l-. 1 (]) ' cPI"'" / ~ &..to 2. ~ ~ + .? D. I f.J~t <P, 1 11 a J \of J H-+ \-4 ~o ~~q, IW~H_J> w ~ "" L ,;:) .w IZ' Student Name EtO"Na+ . EtOH . .- ~l. . b JA \ CD 1 H; l(i) i ",,+ (f) i .0 J ~ (i) .;b ~ ~ 8...
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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 Midterm I - fonnulas for the intennediates...

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