| 摘要 |
Macrocyclic derivatives of 1,4,7,10-tetraazacyclododecane of general formula I <CHEM> wherein A is a group of formula <CHEM> in which R is H or alkyl or optionally substituted benzyl or a H(OCH2CH2)1-4-, Me(OCH2CH2)1-4-, or Et(OCH2CH2)1-4- group, X is O-R1, in which R1 is H or alkyl, hydroxyalkyl, alkoxyalkyl, alkoxyhydroxyalkyl or a polyoxaalkyl group or X is -NR2R3, in which R2 and R3 are H or alkyl, hydroxyalkyl, alkoxyalkyl or alkoxyhydroxyalkyl, and B1, B2 and B3 have the same meanings as A or are H or a group of formula <CHEM> in which R4 is H or alkyl, Y is a O-R5 group, wherein R5 is H or alkyl, hydroxyalkyl, alkoxyalkyl, alkoxyhydroxyalkyl or a polyoxaalkyl group, or Y is a -NR6R7 group, wherein R6 and R7 are H or alkyl, hydroxyalkyl, alkoxyalkyl or alkoxyhydroxyalkyl, said derivatives optionally being salified, and the complex salts thereof, are used as pharmaceuticals and/or diagnostic agents. |
