546 Fluorine in Medicinal Chemistry and Chemical Biology
Active ingredient/
trade name
Chemical name Structure
Flumazenil/
Romazicon
ethyl 8 - fl uoro - 5,6 - dihydro - 5 -
methyl - 6 - oxo - 4 H - imidazo
[1,5 - a ](1,4) benzodiazepine -
3 - carboxylate
N
N
N
F
CO
2
C
2
H
5
O
Flumethasone Pivalate
∆
/
Locorten
[2 - [(6 S ,9 R ,11 S ,14 S ,16 R ,17 R ) -
6,9 - difl 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] 2,2 -
dimethylpropanoate
F
O
O
O
O
HO
H
F
H
OH
Flunisolide/
Aerospan
Aerobid
Nararel
(6 α ,11 β ,16 α ) - 6 - fl uoro - 11,21 -
dihydroxy - 16,17 - [(1 - methyle
thylidene)bis(oxy)]pregna -
1,4 - diene - 3,20 - dione
O
OH
H
H
H
H
H
O
OH
F
O
O
Fluocinolone Acetonide * /
Synalar
Retisert
Derma - Smoothe
FS Shampoo
Tri - Luma
(6 α ,11 β ,16 α ) - 6,9 - difl uoro -
11,21 - dihydroxy - 16,17 -
[(1 - methylethylidene)bis
(oxy)] - pregna - 1,4 - diene -
3,20 - dione
O
H
HO
H
F
F
O
O
O
HO
Fluocinonide/
Lidex
6 α ,9 α - difl uoro - 11 β ,21 -
dihydroxy - 16 α ,17 α -
isopropylidenedioxypregna -
1,4 - diene - 3,20 - dione
21 - acetate
O
HO
F
F
O
O
O
O
O
Fluorometholone Acetate/
Flarex
Tobrasone
9 - fl uoro - 11 β ,17 - dihydroxy -
6 α - methylpregna - 1,
4 - diene - 3,20 - dione
17 - acetate
O
HO
F
O
O
O