NMR imaging using paramagnetic chelates having hydroxyalkyl-substituted
amide groups
    83.
    发明授权
    NMR imaging using paramagnetic chelates having hydroxyalkyl-substituted amide groups 失效
    使用具有羟烷基取代的酰胺基团的顺磁螯合物进行NMR成像

    公开(公告)号:US5316756A

    公开(公告)日:1994-05-31

    申请号:US515761

    申请日:1990-04-13

    摘要: Compounds of the general formula I: ##STR1## 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## wherein j signifies the numbers 1 to 4 and R.sup.x signifies a hydrogen atom, a lower alkoxy group with 1 to 4 carbon atoms, a COOX group, or if j>1, also the group ##STR5## wherein k and m are the same or different and represent the numbers 0 or 2, l 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 can only represent the number 1, if k and m signify the number 2, andX 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 NMR imaging.

    摘要翻译: 通式I的化合物:其中R 1表示COOX基团或基团R 2和R 3相同或不同,表示氢原子,低级直链或支链烃基, 苯基或苄基或R 2或R 3表示基团,或R 2或R 3一起表示三亚甲基或四亚甲基,R 4表示直链或支链单 - 或多 - 羟基烷基,R 5表示烃原子 低级直链或支链,任选的单羟基化或多羟基化烃基,Q表示氧或硫原子或基团,其中j表示数字1至4,Rx表示氢原子, 具有1至4个碳原子的低级烷氧基,COOX基团,或者如果j> 1,则基团< IMAGE>其中k和m相同或不同并且表示数字0或2,l表示数字1或2 并且n和w相同或不同并且表示数字0或1,其中n和w只能是 代表数字1,如果k和m表示数字2,X表示氢原子和/或金属离子当量,以及它们与生理无害的有机碱的盐是NMR成像的有价值的络合剂,络合物和络合盐。