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    • 9. 发明申请
    • N,N'-BIS(2-HYDROXYBENZYL)ETHYLENEDIAMINE-N,N'-DIACETIC ACID DERIVATIVES AS CHELATING AGENTS
    • N,N'-BIS(2-羟基苄基)乙烯二胺-N,N'-二酸衍生物作为螯合剂
    • WO1995016663A1
    • 1995-06-22
    • PCT/IB1994000388
    • 1994-12-05
    • CIBA-GEIGY AGGASPARINI, FabrizioLEUTERT, ThomasFARLEY, David, L.
    • CIBA-GEIGY AG
    • C07C229/16
    • C07D295/185C07C229/16C07C235/06C07D317/40
    • [N,N'-bis(2-hydroxybenzyl)ethylenediamine N,N'-diacetic acid] derivatives of formula (I) in which R represents -(CO)-R1, -O-(CO)-R2, -O-(CO)-O-R3 or (a) wherein R1 is -NR4R5 or (III); whereby R4 and R5 are independent of each other C1-C3 alkyl or C3-C7 cycloalkyl or form together the group -(CH2)n-, n is an integer from 3 to 6; R2 is C1-C6 alkyl, unsubstituted phenyl or phenyl substituted by one to four substituents selected from the group consisting of halogen and hydroxy; R3 is C1-C6 alkyl or C3-C7 cycloalkyl; R4 is C1-C3 alkyl; and salts thereof form chelate-type metal complexes with trivalent metal ions, especially iron (III), and can be used, for example, for the treatment of pathological conditions in warm-blooded animals that are associated with an excess of trivalent metal ions in the body.
    • 式(I)的[N,N'-双(2-羟基苄基)乙二胺N,N'-二乙酸]衍生物,其中R表示 - (CO)-R1,-O-(CO)-R2,-O- (CO)-O-R3或(a)其中R1是-NR4R5或(III); 其中R 4和R 5彼此独立地为C 1 -C 3烷基或C 3 -C 7环烷基或一起形成 - (CH 2)n - ,n为3至6的整数; R2是C1-C6烷基,未取代的苯基或被一至四个选自卤素和羟基的取代基取代的苯基; R3是C1-C6烷基或C3-C7环烷基; R4是C1-C3烷基; 其盐与三价金属离子特别是铁(III)形成螯合型金属络合物,并且可用于例如治疗与过量三价金属离子相关的温血动物的病理状况 身体。