538 Fluorine in Medicinal Chemistry and Chemical Biology
Active ingredient/
trade name
Chemical name Structure
Clofarabine
2 - chloro - 9 - (2 - deoxy - 2 - fl uoro -
β -
D - arabinofuranosyl) - 9
H - purin - 6 - amine
O
F
OH
N
HO
N
N
N
Cl
NH
2
Desfl urane
( ± )1,2,2,2 - tetrafl uoroethyl
difl uoromethyl ether
F
3
C O
CF
2
H
F
Desoximetasone/
Topicort
pregna - 1, 4 - diene - 3, 20 - dione,
9 - fl uoro - 11, 21 - dihydroxy -
16 - methyl - , (11 β , 16 α ) -
O
H
3
C
HO
CH
3
H
F H
CH
3
O
OH
H
Dexamethasone Acetate
∆
V
/
Decadron - LA
[(8 S ,9 R ,10 S ,11 S ,13 S ,14 S ,16 R ,17 R ) -
9 - fl uoro - 11 - hydroxy - 17 - (2 -
hydroxyacetyl) - 10,13,16 -
trimethyl - 3 - oxo - 6,7,8,11,12,
14,15,16 - octahydrocyclopen
ta[a]phenanthren - 17 - yl]
acetate hydrate
O
HO
H
F
H
O
OH
O
O
H
2
O
Dexamethasone Sodium
Phosphate
V
sodium [2 - [(8 S ,9 R ,10 S ,11 S ,
13 S ,14 S ,16 R ,17 R ) - 9 - fl uoro -
11,17 - dihydroxy - 10,13,16 -
trimethyl - 3 - oxo - 6,7,8,
11,12,14,15,16 -
octahydrocyclopenta[ a ]
phenanthren - 17 - yl] - 2 -
oxoethyl] phosphate
O
HO
H
F
H
OH
O
O
P
O
O
O
Na
Dexamethasone
V
Mymethasone
9 - fl uoro - 11 β ,17,21 -
trihydroxy - 16 α -
methylpregna - 1,4 - diene -
3,20 - dione
O
H
3
C
HO
CH
3
F
CH
3
O
OH
OH