Latihan Soal Kimia Organik 3
16
1 2 O OH asam 2,2-dimetilpropanoat OH O Br Br asam 2,3-dibromopentanoat OH HO O OH asam 2,5-dihidroksibenzoat Cl O O OH asam 2-(4-klorofenoksi)asetat O OH I 4-iodobutanoicacid K + O O - potassium form ate Na + Na + O O - O O - disodium o-phthalate Na + O O - sodium benzoate O OH m -m ethylbenzoic acid
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Transcript of Latihan Soal Kimia Organik 3
1O
OH
asam 2,2-dimetil propanoat
OH
O
Br
Br
asam 2,3-dibromopentanoat
OH
HO
O
OH
asam 2,5-dihidroksibenzoat
Cl O
O
OH
asam 2-(4-klorofenoksi) asetat
O
OH
I
4-iodobutanoic acid
2
K+O O-
potassium formate
Na+
Na+
O
O-
O
O-
disodium o-phthalate
Na+
O
O-
sodium benzoate
O
OH
m-methylbenzoic acid
3a
Br
1-bromopropana
(1) Mg, eter
(2) CO2
(3) H2O, H+
OH
O
asam butanoat
mekanisme
Br Mg, eter MgBr O C O
O
C
O
CH2CH2CH3
+MgBr
H+
OH
O
3b
Bab 6.9.A
HO
(1) KMnO4, OH-
(2) H+ OH
O
asam butanoatbutanol
Bab 7.11.C
3c
H
O
(1) KMnO4, H+
(2) H2OHO
O
butanal asam butanoat
Bab 11.8
3d
KMnO4 panas
OH
O
4-oktena asam butanoat
Bab 9.14
3e Bab 13.5.C
O
O
OH-, H2O
OH
O
asam butanoatetil butanoat
mekanisme :
O
O
OH
O
O
OH
H+
OH
O
+ CH3CH3OH
+ CH3CH2OH
etanol
3f(1) H2, Pt
(2) KMnO4, H+
OH
O
1-pentuna asam butanoat
mekanisme:
H2, Pt KMnO4, H+
OH
O
+H H
O
formaldehid
+H H
O
4a Bab 12.7
H OH
O
+ OHH+
panasHC O
O
mekanisme:
HC OH
O
H+
HC OH
OHOH
HC OH
OH
O H-H+
HC OH
OH
OH+
asam format sikloheksanol sikoheksil format
lanj. 4a
HC OH2
OH
O-H2O
CH
OH
O
CH
OH
O-H+
HC O
O
4b
4c
O
OH
+ HOCH2CH2OHH+
panas
O
OH
+H+
panas(R)-CH3CH2CHOHCH3
5Bab 12.8
O
OH
asam 3-pentenoat
O
OH
asam 2,2-dimetilpropanoat
(1) LiAlH4
(2) H2O, H+ OH
2,2-dimetilpropanol
(1) LiAlH4
(2) H2O, H+OH
3-pentenol
O
HO OH
O
(1) LiAlH4
(2) H2O, H+
HO OH
asam teref talat 1,4-fenilendimetanol
6
Cl
O
Br
O
Br Cl
O
3-butenoil klorida4-bromobenzoil bromida3-metilbutanoil klorida
7a
Cl
O
H2O
OH
O
asam propanoatpropionil klorida
mekanisme:
CH3CH2C Cl
OH2O
CH3CH2C Cl
O
OH2
-Cl-
CH3CH2C
O
OH2
-H+
OH
O
Bab 13.3
7b
Cl
O
O
O
propionil klorida
mekanisme:
CH3CH2C Cl
O
CH3CH2C Cl
O
O -HCl
OH+
sikloheksanol sikloheksil propionat
OHH
O
O
Bab 13.3
7c
Cl
O
propionil klorida
mekanisme:
CH3CH2C Cl
O
OH+ Br
4-bromofenol
AlCl3
OHBr
O
CH2CH3
1-(5-bromo-2-hidroksifenil)propanon
AlCl3
-AlCl4-
O
OHBrOHBr
H CH2CH3
O
-H+
OHBr
O
CH2CH3
Bab 13.3
7d
Cl
O
propionil klorida
+
Na+O-
natrium etoksida
etanol
7e
Cl
O
propionil klorida
+ OH-, H2ONH
piperidin
N
O
+
1-(1-piperidinil)propanon
HCl
7f
Cl
O
propionil klorida
+ (CH3CH2)2CuLi
O
3-pentanon
Bab 13.3
Bab 13.3
7g
Cl
O
propionil klorida
H
O
(1) LiAlH[OC(CH3)3]3
(2) H2O, H+
propanal
7h
Cl
O
propionil klorida
(1) 2 CH3CH2MgBr, eter
(2) H2O, H+
mekanisme:
CH3CH2C Cl
OCH3CH2MgBr
-Cl- CH3CH2C
O
CH2CH3
+MgBr
CH3CH2CCH2CH3
O
CH3CH2MgBr
CH3CH2CCH2CH3
O
CH2CH3
+MgBr
H+
OH
3-etil-3-pentanol
OH
Bab 13.3
Bab 13.3
7i
Cl
O
propionil klorida
mekanisme:
Br2 Br
O
Br
Cl
O
Cl
OH
Br2
Cl
Br
OH
Br
-HCl
2-bromopropanoil bromida
Br
O
Br
O
O O
anhidrida pentanoat propionat
8
O
O O
anhidrida 2-fenilasetat 4-metilbenzoatO
O O
dihidrofuran-2,5-dion
H O
O O
anhidrida asetat format
Bab 13.3
9a
O
O
metil benzoat
H2O, H+ OH
O
asam benzoat
mekanisme:
C
O
OCH3H+
C
OH
OCH3H2O
C
OH
OCH3
OH2
-H+
C
OH
OCH3
OH
H+
C
OH
OCH3
OH H
-CH3OH
C
OH
OH
-H+
C
O
OH
Bab 13.5
9bBab 13.5
Bab 13.59c
O
O
metil benzoat
OHLiAlH4
benzilalkohol
O
O
metil benzoat
mekanisme:
C
O
OCH3 C
O
OCH3
-CH3O
C
O
CH3
OH
2-fenil-2-propanol
(1) 2 CH3MgBr, eter
(2) H2O, H+
CH3MgBr
CH3
+MgBr
CH3MgBrC
O
CH3
CH3
+MgHBrH
H2O, H+
C
OH
CH3
CH3
9d
O
O
metil benzoat
mekanisme:
C
O
OCH3 C
O
OCH3
-CH3OC
O
CH3
CH3MgBr, eter
CH3MgBr
CH3
+MgBr
O
asetofenon
Bab 13.5
Bab 13.59e
O
O
metil benzoat
CH3NH2
O
NH
N-metilbenzamida
9fBab 13.5
O
O
metil benzoat
mekanisme:
C
O
OCH3 C
O
OCH3
-CH3OC
O
C6H5MgBr, eter
C6H5MgBr
C6H5
+MgBr
O
benzofenon
