14-05-2015 дата публикации
Номер: US20150132229A1
Принадлежит:
The present invention describes a new class of trinuclear heavy metal complexes comprising two hexadentate azainositol tricarboxylic acid ligands, a method for their preparation and their use as X-ray contrast agents. 1. A trinuclear heavy metal complex comprising two hexadentate azainositol tricarboxylic acid ligands.7. The trinuclear heavy metal complex of claim 2 , selected from the group consisting of:{'sub': 3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, '[Hf(Htacita)]=Bis {μ-[(all-cis)-2-{[(carboxy-1κO)methyl]amino-1κN}-4-{[(carboxy-2κO)methyl]amino-2κN}-6-{[(carboxy-3κO)methyl]amino-3κN}cyclohexane-1,3,5-triolate-1κO,O:2κO,O:3κO,O]}trihafnium(IV),'}{'sub': 3', '3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, 'Na[Lu(Htacita)]=Trisodium bis {μ-[(all-cis)-2-{[(carboxy-1κO)methyl]amino-1κN}-4-{[(carboxy-2κO)methyl]amino-2κN}-6-{[(carboxy-3κO)methyl]amino-3κN}cyclohexane-1,3,5-triolate-1κO,O:2κO,O:3κO,O]}trilutetate(III),'}{'sub': 3', '3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, 'Na[Gd(Htacita)]=Trisodium bis {μ-[(all-cis)-2-{[(carboxy-1κO)methyl]amino-1κN}-4-{[(carboxy-2κO)methyl]amino-2κN}-6-{[(carboxy-3κO)methyl]amino-3κN}cyclohexane-1,3,5-triolate-1κO,O:2κO,O:3κO,O]}trigadolinate(III),'}{'sub': 3', '3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, 'Na[Ho(Htacita)]=Trisodium bis {μ-[(all-cis)-2-{[(carboxy-1κO)methyl]amino-1κN}-4-{[(carboxy-2κO)methyl]amino-2κN}-6-{[(carboxy-3κO)methyl]amino-3κN}cyclohexane-1,3,5-triolate-1κO,O:2κO,O:3κO,O]}triholmate(III),'}{'sub': 3', '3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, 'Na[Er(Htacita)]=Trisodium bis {μ-[(all-cis)-2-{[(carboxy-1κO)methyl]amino-1κN}-4-{[(carboxy-2κO)methyl]amino-2κN}-6-{[(carboxy-3κO)methyl]amino-3κN}cyclohexane-1,3,5-triolate-1κO,O:2κO,O:3κO,O]}trierbate(III)'}{'sub': 3', '3', '−3', '2', '3, 'sup': 2', '1', '3', '2', '3', '5', '2', '1', '5, 'Na[Yb(Htacita)]=Trisodium bis {μ-[(all-cis)-2-{[( ...
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