124628-08-6Relevant articles and documents
Macrocyclic chelating agents and chelates thereof
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, (2008/06/13)
Macrocyclic derivatives of 1,4,7,10-tetraazacyclododecane of general formula (I) hereinbelow, wherein A is a group of formula (II) hereinbelow, in which R is H or alkyl or optionally substituted benzyl or a H(OCH2 CH2)1-4-, Me(OCH2 CH2)1-4-, or Et(OCH2 CH2)1-4- group, X or O--R1, in which R1 is H or alkyl, hydroxyalkyl, alkoxyalkyl, alkoxyhydroxyalkyl or a polyoxaalkyl group or X is --NR2 R3, 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 (III) hereinbelow, 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 --NR6 R7 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. STR1