fyzikálně-chemická charakteristika tetracyklinů

 

Látka

CAS Number

Název

Vzorec

Mr [g/mol]

Spektrální

 charakteristika lmax

Chlortetracyklin

[57-62-5]

7-chloro-4-dimethylamino-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphtacenecarboxamid

C22H23ClN2O8

478,88

(0,1 M HCl): 230; 262,5; 367,5 nm

(0,1 M NaOH): 255; 285; 345 nm

Doxycyklin

[17086-28-1]

4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2- naphtacenecarboxamid

C22H24N2O8.H2O

462,46

(0,01 M HCl): 267; 351 nm (e=4,24; 4,12)

Oxytetracyklin

[79-57-2]

4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2- naphtacenecarboxamid

C22H24N2O9

460,44

(pH 4,5 0,1 M fosfátový pufr): 249; 276; 353 nm

Tetracyklin

[60-54-8]

4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2- naphtacenecarboxamid

C22H24N2O8

444,43

(0,1 M HCl): 220; 268; 355 nm (e=13 000; 18 040; 13 320)