| abstract |
Compounds of the general formulae I and II <IMAGE> in which q represents the figures 0, 1 or 2, r and s in each case represent the figures 0, 1, 2 and 3, m represents the figures 1, 2, 3, 4 or 5, l represents the figures 0, 1, 2, 3, 4 or 5, R<A> and R<B> each represent a hydrogen atom or a straight-chain, branched, saturated or unsaturated C1-C20-alkylene group optionally containing (an) imino, phenyleneoxy, phenyleneimino, amide or ester group(s), or (an) oxygen, sulphur and/or nitrogen atom(s), optionally substituted by (a) hydroxyl, mercapto, imino and/or amino group(s) and which at the end has a functional group or, bonded via this functional group, a macromolecule, B, D and E, which are identical or different, each represent the group <IMAGE> R<2> denotes hydrogen or a straight-chain, branched, saturated or unsaturated C1-C20-alkyl group optionally containing (an) oxygen and/or nitrogen atom(s) and optionally substituted by (a) hydroxyl and/or amino group(s), k denotes the figures 0, 1, 2, 3, 4 or 5, n denotes the figures 0 or 1, with the proviso that r and s together are not more than 4 and that B, D and E each contain at least 2 and at most 5 carbon atoms, V represents a radical a) of the formula IA <IMAGE> in which A represents the group <IMAGE> in which R<1> denotes a straight-chain, branched, saturated or unsaturated C1-C20-alkylene group optionally containing (an) imino, phenyleneoxy, phenyleneimino, amide or ester group(s), or (an) oxygen, sulphur and/or nitrogen atom(s) and optionally substituted by (a) hydroxyl, mercapto, imino and/or amino group(s), V<1> represents V or a CH2X group, in which X denotes the radicals -COOY or -PO3HY where Y denotes a hydrogen atom and/or a metal ion equivalent of an element of atomic number 21-29, 31, 32, 38, 39, 42-44 or 57-83, or b) of the formula IB or IC <IMAGE> with the proviso that 16 to 5000 CH2X groups are present per molecule, and their salts with inorganic and/or organic bases or amino acids are useful complexing agents and complexes for diagnosis and therapy. |