Abstract: 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 IA--(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.

Abstract: The invention relates to complex compound as well as their salts consisting of at least one metal ion and one complexing agent of general formula I ##STR1## in which Z.sup.1, Z.sup.2 and s have different meanings, as well as their use for the production of agents for radiation therapy and for NMR diagnosis and diagnostic radiology, especially for contrasting the hepatobiliary system. Further, the invention relates to a process for the production of these compounds and agents.

Abstract: The invention relates to new dimeric DTPA derivatives, their metal complexes, containing at least one ion of an element of atomic numbers 21-32, 37-39, 42-51 and 57-83, agents containing these complexes, their use in NMR diagnosis and/or diagnostic radiology, radiodiagnosis and radiotherapy, as well as process for their production.

Abstract: Compounds of a general Formula I ##STR1## wherein Z.sup.1 and Z.sup.2 in each case independently mean the residue--(CH.sub.2).sub.m --(C.sub.6 H.sub.4).sub.q --(O).sub.k --(CH.sub.2).sub.n --(C.sub.6 H.sub.4).sub.1 --(O).sub.r --R,whereinm and n means the numbers 0-20, k, l, q and r means the numbers 0 and 1, andR means a hydrogen atom, an optionallyOR.sup.1 -substituted C.sub.1 -C.sub.6 -alkyl residue, or aCH.sub.2 COOR.sup.1 group with R.sup.1 meaning a hydrogen atom,a C.sub.1 -C.sub.6 -alkyl residue, or a benzyl group,X means a hydrogen atom and/or a metal ion equivalent of an element of atomic number 21-29, 42, 44 or 57-83,with the provisos that at least two the substituents X stand for a metal ion equivalent; that one of the substituents Z.sup.1 and Z.sup.2 stands for a hydrogen and the other is not H; that--if n and 1 each mean the number 0--k and r do not simultaneously mean the number 1; that--(O).sub.r --R is not --OH; and that Z.sup.1 and Z.sup.2 are not --CH.sub.2 --C.sub.6 H.sub.4 --O--CH.sub.

Abstract: 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.

Abstract: Polymers comprising a ligand containing a carboxylic acid group, optionally at least one ion of an element of the atomic numbers 21-29, 42, 44 or 57-83 as well as optionally cations of inorganic and/or organic bases, amino acids or amino acid amides are valuable complexing agents and complexes for diagnosis.

Abstract: Polymers comprising a ligand containing a carboxylic acid group, optionally at least one ion of an element of the atomic numbers 21-29, 42, 44 or 57-83 as well as optionally cations of inorganic and/or organic bases, amino acids or amino acid amides are valuable complexing agents and complexes for diagnosis.

Abstract: The invention relates to a process for the production of C-substituted diethylenetriamines of general formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have different meanings.

Abstract: 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.

Abstract: Complex compounds of general Formula I ##STR1## wherein X is a hydrogen atom and/or a metal ion equivalent of at least one element of atomic numbers 21-29, 42, 44 or 58-70, with at least two of the substituents X representing a metal ion equivalent, andR.sup.1, R.sup.2, R.sup.3, R.sup.4, Y and n are defined herein, as well as their salts with organic and/or inorganic bases, are valuable compounds for organ-specific NMR diagnostics.

Abstract: 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.