| 摘要 |
<p>Compounds of the general formula I: (I), wherein R1 signifies a COOX group or the group R2 and R3 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 R2 or R3 signifies the group or R2 or R3 together signify a trimethylene or tetramethylene radical, R4 represents a straight- or branched-chain monoor poly-hydroxyalkyl radicaI, R5 represents a hydrocarbon atom, a lower straight- or branched-chain, optionally monoor poly-hydroxylated, hydrocarbon radical, Q signifies an oxygen or sulfur atom or the group , wherein j signifies the numbers 1 to 4 and Rx signifies a hydrogen atom, a lower alkoxy group with 1 to 4 carbon atoms, a COOX group, or if j > 1, also the group wherein k and m are the same or different and represent the numbers 0 or 2, 1 signifies the numbers 1 or 2 and n and w are the same or different and signify the numbers 0 or 1, wherein n and w only then represent the number 1, if k and m signify the number 2, 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.</p> |
