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Problem 1 Provide synthetic strategies for the fellewing reactiens. Show all intermediates agd reagents needed for
all transfonnatiens. Ne mechanism. x» A) a 7 a i H. r. _ . '"
il “1 Aired Ase-3 _a K-«fu- ~— “"_ I '---_.._._,_-"-THFP\_ L
L . L3 . . i
e: reg—*5" itth fly. :2 if;
t x is.) e '
5:er \S ‘"
\” tugs Lt,- ..--——' Lid},
L) . d. a? A...
~- — - H
E r; in /L In if 1
kid" 5} “5' m
6+0 G.) kwfait' 51'er an “at. J 1' cat”: I?
:h M. e. .. A_,\_ B) D
O— i. d '2' 'm‘ 1-3;. :. I
\.\ I T' H”:
E R ,
J/gi’ NW “- ‘3' H
_/ |-"'" ./ i.
r | J
CW MIL .
.--. HI it‘ll] Jr's-1'
I'LL:
f '.. A
L”: Man” 1‘;- __ er 3 H x“ w” '
< %{ Har- / “If. / _..._. j ,1
_..._.".-. _F a HEM- /
‘_ 13:} “.3 I?- X""‘ I 'l’" T J Studfint Name: Problem 2 _
What are the major pmducts for the following reactians? (312} pointst /_‘. 1 D ! --. 'I
1} )a—hh I .. " «5-an 2} H2132. H20 U "’ l I
.53 .3
0 1'. NH F1
.1 2 .',_
2) #0” Erz, FBrs {traces} '\ if K .ner 1} —/ \x j. ’ \ .._"\- I. r gr 21H+ero / z'fl- *-
N Br 0
1} Mu 5 5 l a “.5
3* ——+ v I 4. —-- x/‘wr v M-
f?) "' 21Hgm2. MeOH. heat g /
Lfl /
.J ,1} 03 ’3' 1 1}DH—JH20 H Pullman a
4} .. a... ,, H )LhflV/W flu .. 1E 2} CH3-S—CH3 j 2} H+IH2C), heat _./
U
D “1": D + ['th J
0 Eth2 “EVE-J” Nu; Et HIH N EMUA f, h...
—h._ -.. . H If "U K
5'! H f, f
0
1L
0 SOCIg M " “‘~ 5
0H {1 equivalent} '. I
'5’ HD —}IIF I. 0 DC!“ an I x _
[Esquivalentslu u Student Name: Problem 3
Comploto the following reactions: 3 “:3
o 11xso-z':|2 In new /“’\ A 11 LIAIHJI‘HF /_"h 1‘?_,_. C: H
a” 2} H—rgua in THF \—' TL— 3 H. k z] H+IHgO X'—
OMe M : 11 EtD-IEt'DH X “x f:- 1] LianJTHF < \ J
O—C g {x —.. / he“.
Et _ 21Mo—I .— — [11$ 21H+m2° B) Provide a mechanism for the following roaotion: o __1r»{+ H+ —. 0 l 3 DH ‘ _ H0 - “I —- o_--' i it: % 'v’ 1 (I D I' fly:
J ll U j
x“& :5 H V “Ix” Student Name:
Problem-4 I 5.. I, ,qu L d 1: a“ r
La ,4? a) DH '3: aI a a >—CIH.|'H" 1 sum; 1; _ 21' -——~———l-r '31 KW [J MD —h- D: ' L“ L1 '3‘ T \r'” DOM W CN-IDMSG In) Name the following compounds: (12 points] 0 _ L ‘ I} .5 --I“- “a I; . -'
#13“ .- I"DI; i:al‘r'..'|:::' Illa-d 1{1‘1 .531 C {la-Lt. L 2' “In If j - '_.'fi tn"; 1:! LJ‘JL'L"
r . JL JVDFW mm‘a CL-E. ' ...
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- Spring '06
- Nefzi
- Trigraph, Aired Ase-3 _a, Ne mechanism. x», Provide synthetic strategies, JL JVDFW mm‘a, fellewing reactiens
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