摘要:
Compounds of formula I wherein Z1, Z2, X, R2 and R3 are as defined herein, are suitable as susceptibility reagents for use in susceptibility imaging.
摘要:
Compounds of general formula I ##STR1## wherein Z.sup.1, Z.sup.2, X, R.sup.2 and R.sup.3 are as herein defined, are valuable pharmaceutical agents. In particular, the compounds are useful as contrast agents in NMR diagnosis.
摘要:
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.
摘要:
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.
摘要:
Compounds of the general formula I: ##STR1## wherein R.sup.1 signifies a COOX group or the group ##STR2## R.sup.2 and R.sup.3 are the same or different and signify a hydrogen atom, a lower straight- or branched-chain, hydrocarbon radical, a phenyl or benzyl group or either R.sup.2 or R.sup.3 signifies the group ##STR3## or R.sup.2 or R.sup.3 together signify a trimethylene or tetramethylene radical, R.sup.4 represents a straight- or branched-chain mono- or poly-hydroxyalkyl radical, R.sup.5 represents a hydrocarbon atom, a lower straight- or branched-chain, optionally mono- or poly-hydroxylated, hydrocarbon radical, Q signifies an oxygen or sulfur atom or the group ##STR4## and X represents hydrogen atoms and/or metal ion equivalents, and their salts with physiologically harmless organic bases, are valuable complexing agents, complexes and complex salts for diagnostic imaging.
摘要:
A new process for the production of mono-N-substituted tetraaza macrocycles, N-substituted-tri-N-carboxyalkyl tetraaza macrocycles, and/or metal complexes thereof is described.
摘要:
A process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecane derivatives and their metal complexes is described.
摘要:
The macrocyclic compounds of the following formula I and IV, defined herein and their salts with inorganic and/or organic bases, amino acids or amino acid amides are valuable diagnostic and therapeutic agents.
摘要:
Improved metal complex-containing pharmaceutical agents are described which, as an additive, contain one or more complexing agents and/or one or more weak metal complex(es) or mixtures thereof.
摘要:
Ionic compounds of the formula ##STR1## wherein X is --CONR.sub.1 R.sub.2, --CH.sub.2 NH.multidot.Acyl or --CH.sub.2 OH; Y is --NR.sub.3 R.sub.4, --NH.multidot.Acyl or OR.sub.5 ; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 can be identical or different, and each is hydrogen, C.sub.1-6 - alkyl or C.sub.2-8 -alkyl substituted by 1-5 OH groups and/or by one C.sub.1-3 -alkoxy group, R.sub.5 is C.sub.1-6 alkyl or C.sub.2-8 -alkyl substituted by 1-5 OH groups and/or by one C.sub.1-3 -alkoxy group, and Acyl, which can be the same or different in X and Y, is C.sub.2-6 -alkanoyl or C.sub.2-6 -alkanoyl substituted by 1-4 OH groups and/or by one C.sub.1-3 -alkoxy group, or a physiologically compatible salt thereof with an inorganic or organic base, have valuable properties as X-ray contrast agents.