Compound having affinity with calcified tissue

C - Chemistry – Metallurgy – 07 – H

Patent

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C07H 15/04 (2006.01) A61K 31/7032 (2006.01) A61K 31/7135 (2006.01) A61K 51/04 (2006.01) A61K 51/06 (2006.01) A61P 3/14 (2006.01) A61P 9/10 (2006.01) A61P 17/00 (2006.01) A61P 19/10 (2006.01) A61P 29/00 (2006.01) A61P 35/00 (2006.01) A61P 35/04 (2006.01)

Patent

CA 2520147

A compound excelling in accumulation on calcified tissues, ensuring rapid excretion in the urine and rapid blood clearance, and being useful as a diagnostic agent or therapeutic agent. In particular, a compound having affinity with calcified tissues, represented by the formula (AC)a-MC-(LI)b wherein MC is a mother nucleus being a residue of compound having two or more functional groups selected from the group consisting of amino, amido, hydroxyl, thiol, thioether, sulfonyl, phosphonyl, aldehyde, carboxyl, carbonyl, halogen and cyano; AC is a group having affinity with calcified tissues; LI is a ligand capable of bonding with a metal atom; a is an integer of 1 or greater; and b is 0 or an integer of 1 or greater.

L'invention concerne un composé présentant d'excellentes propriétés en matière d'accumulation sur des tissus calcifiés, permettant une excrétion rapide dans les urines et une clairance rapide du sang, qui s'utilise comme agent diagnostique ou comme agent thérapeutique. L'invention concerne notamment un composé présentant une affinité avec des tissus calcifiés, représenté par la formule (AC)¿a?-MC-(LI)¿b?, dans laquelle MC est un noyau précurseur, qui est un résidu d'un composé présentant deux groupes fonctionnels ou davantage, sélectionnés dans le groupe comprenant amino, amido, hydroxyle, thiol, thioéther, sulfonyle, phosphonyle, aldéhyde, carboxyle, carbonyle, halogène et cyano ; AC est un groupe présentant une affinité avec des tissus calcifiés ; LI est un ligand apte à se fixer sur un atome de métal ; a est un nombre entier valant 1 ou davantage ; et b vaut 0 ou désigne un nombre entier valant 1 ou davantage.

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