nitrofenilalchilamine.pdf
DESCRIPTION
Nitrofenilchilamin, chimie farmaceuticaTRANSCRIPT
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NITROFENILALCHILAMINE
Chloramphenicolum
Cloramfenicol (Levomicetina)
D-(-)-treo-1-para-nitrofenil-2-dicloracetil- amino-propandiol-1,3
Sinteza levomicetinei:
D (-) – treo-izomer L (+) – treo-izomer
L (-) – eritro-izomer D (+) – eritro-izomer
CH - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
CH - CH - CH2OHO
2N
NH2
C - CH3
O2N
OBr
2
C - CH2BrO
2N
O
C - CH2 - NH
2O2N
O
(CH2)6N
(CH3CO)
2O
C - CH2 - NH - C - CH
3O2N
O O
C - CH - CH2OHO
2N
NH - C - CH3
O
O
O
H
- CH3COONa
C - CH - CH2OHO
2N
NH - C - CHCl2
O
Cl2CH - C - OCH
3
O
OH
OH
HCl
. HCl
HC
[H] ; NaOH
C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
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C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
N
NH2
C - CH - CH2OHN
NH - C - CHCl2
O
OH
2H
-2H O2
Identificare
1)
albastru violet
2) Formarea azocolorantului:
a)
violet
b)
roşu
Determinarae cantitativă:
- bromatometric
- fotocolorimetric
- spectrofotometric
Laevomycetini stearas
CH - CH - CH2
CuSO4
Cu
C - CH - CH2OHO
2N
NH - C - CHCl2
O
OH
O
O2N
CH - CH - CH2O
2N
OH
O OH
NH - C - CHCl2
NH - C - CHCl2
O
O
NaOH
CH - CH - CH2 - O - C - (CH
2)
16 - CH
3O2N
NH - C - CHCl2
OH
O
O
NO2 - R R - NH
2
NaNO2
OH
OH
R - N = NZn
HCl HClR - N
+N
. -Cl