摘要:
Cascade polymer complexes that contain a) complexing ligands of general formula (I), in which A stands for a nitrogen-containing cascade nucleus of base multiplicity a, X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y, z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w, K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4, provided that at least two reproduction units are different, and that 16.ltoreq.a.multidot.x.multidot.y.multidot.z.multidot.w.ltoreq.64 holds true for the product of the multiplicities and that at least one of cascade reproduction units X, Y, Z, W stands for a 1,4,7,10-tetraazacyclododecane or 1,4,8,11-teraazacyclotetradecane reproduction unit, b) at least 16 ions of an element of atomic numbers 20 to 29, 39, 42, 44 or 57-83, c) optionally cations of inorganic and/or organic bases, amino acids or amino acid amides as well as d) optionally acylated terminal amino groups are valuable compounds for diagnosis and therapy.
摘要:
The invention relates to a process for the production of metal-complex carboxylic acid amides, characterized in that a metal-complex carboxylic acid mixture that consists of the metal-complex carboxylic acid and at least one solubilizing substance in dimethyl sulfoxide (DMSO) is pretreated with a dehydrating reagent, optionally with the addition of a coupling adjuvant, and is then reacted with an amine of general formula IA(NH.sub.2).sub.n (I),in whichA stands for the radical of a natural or synthetic amine, andn stands for numbers 1 to 100.
摘要:
Polymeric compounds of general formula I(M).sub.n A (I)in whichM stands for the radical of a macrocyclic complexing agent,A stands for a backbone molecule, which shows a deficit of n amino groups, n hydroxy groups or n carboxy groups,n stands for the numbers 1 to 400, characterized in thatM, independent of one another, stands for complexing agents of general formula IA ##STR1## in which all variables are defined herein.
摘要:
Cascade polymer complexes that contain a) complexing ligands of general formula I A-{X-�Y-(Z- .sub.Z).sub.y !.sub.x }.sub.a (I), in which A stands for a nitrogen-containing cascade nucleus of base multiplicity a, X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y, Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w, K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4, provided that at least two reproduction units are different and that for the product of the multiplicities, 16
摘要:
The invention relates to new metal complexes of dendrimeric macromolecules that contain 8 to 64 ions of an element of atomic numbers 21-129, 39, 42-44, or 57-83 and a polymeric, complexing ligand of formula I A--(X).sub.b (I) in which A, X and b have different meanings, agents that contain these compounds as well as the use of the latter in diagnosis. The invention further relates to a process for the production of the complexes and agents.
摘要:
1. Compounds of general Formula I ##STR1## wherein n and m in each case mean the numbers 0, 1, 2, 3 and 4, X stands for a hydrogen atom and/or a metal ion equivalent of an element of atomic numbers 21-29, 31, 32, 37-39, 42-44, 49 or 57-83, R.sup.1 and R.sup.2, being different, mean in each case a hydrogen atom or a straight-chain, branched, saturated or unsaturated C.sub.0 -C.sub.20 -alkylene group, this alkylene group exhibiting at the end either a second molecule of general Formula I.sub.A or I.sub.B ##STR2## a functional group, or, linked by way of this functional group, a bio- or macromolecule, are valuable diagnostic and therapeutic media,
摘要:
Cascade polymers, containing complex-forming ligands, optionally at least five ions of an element of atomic numbers 21-29, 39, 42, 44 or 57-83, as well as, if desired, cations of inorganic and/or organic bases, amino acids or amino acid amides, are valuable complexing compounds and complexes for diagnostics and therapy.
摘要:
Cascade polymers, containing complex-forming ligands, optionally at least five ions of an element of atomic numbers 21-29, 39, 42, 44 or 57-83, as well as, if desired, cations of inorganic and/or organic bases, amino acids or amino acid amides, are valuable complexing compounds and complexes for diagnostics and therapy.