[EN] BLOOD POOL AGENTS FOR NUCLEAR MAGNETIC RESONANCE DIAGNOSTICS<br/>[FR] AGENTS DE COMPARTIMENT SANGUIN POUR ETABLIR DES DIAGNOSTICS PAR RESONANCE MAGNETIQUE NUCLEAIRE
申请人:BRACCO INT BV
公开号:WO2000038738A1
公开(公告)日:2000-07-06
The use of the complexes of the compounds of general formula (I) with paramagnetic bi-trivalent metal ions selected from the group consisting of Fe?(2+), Fe(3+), Cu(2+), Cr(3+), Gd(3+), Eu(3+), Dy(3+), Yb(3+) or Mn(2+)¿, as well as the salts thereof with physiologically compatible organic bases selected from primary, secondary, tertiary amines or basic amino acids, or with inorganic bases whose cations are sodium, potassium, magnesium, calcium or mixtures thereof. In formula (I) X-L-Y wherein: X is the residue of a polyaminopolycarboxylic ligand and the derivatives thereof, selected from the group consisting of: EDTA, DTPA, DOTA, DO3A, BOPTA; Y is the derivative of a bile acid selected from the group consisting of residues of cholic, chenodeoxycholic, deoxycholic, ursodeoxycholic, lithocholic acids, both as they are and functionalized at the positions having the hydroxy group as the reactive group; L is a chain linked at any position of X and the C-3, C-7, C-12 positions of Y, for the preparation of diagnostic formulations for the imaging of the blood system of the human and animal body, by means of nuclear magnetic resonance; novel compounds of general formula (I) and the diagnostic compositions containing them.
使用一般式(I)的化合物与选自Fe?(2 +),Fe(3 +),Cu(2 +),Cr(3 +),Gd(3 +),Eu(3 +),Dy(3 +),Yb(3 +)或Mn(2 +)的顺磁双价金属离子的配合物,以及与生理兼容的有机碱,包括一级,二级,三级胺或碱性氨基酸,或其盐与其阳离子为钠,钾,镁,钙或其混合物的无机碱的盐。在公式(I)中,X-L-Y,其中:X是多胺多羧酸配体及其衍生物的残基,包括EDTA,DTPA,DOTA,DO3A,BOPTA;Y是从胆酸中选择的衍生物,包括胆酸,鹅掌楸胆酸,去氧胆酸,熊去氧胆酸,石胆酸的残基,以及在其羟基反应位置上进行官能化的衍生物;L是连接在X和Y的C-3、C-7、C-12位置的链,用于制备诊断制剂,通过核磁共振成像来成像人和动物体内的血液系统;一般式(I)的新化合物和含有它们的诊断组合物。