Macrocyclic metal complex carboxylic acids, use and method...

C - Chemistry – Metallurgy – 07 – D

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C07D 257/02 (2006.01) A61K 49/00 (2006.01) A61K 49/08 (2006.01) A61K 49/12 (2006.01) C07D 295/15 (2006.01) C07K 5/068 (2006.01)

Patent

CA 2274132

The invention relates to novel macrocyclic metal complex carboxylic acids of formula (II), (see formula I) wherein Z means a metal iron equivalent of atomic numbers 58-71 and R is a CHX1-CO-NH-CHY1-(CH2)f-COOH group, wherein X1 and Y1 mean individually a hydrogen atom, a straight--chained or branched C1-C7-alkyl radical, a phenyl or benzyl group and f means the figures 0-9. Said acids can be used as intermediate preparations for synthesis of cascade polymer complexes suitable as diagnostic agents.

L'invention concerne de nouveaux acides carboxyliques à complexes métallifères de la formule (II) dans laquelle Z<0> désigne un équivalent d'ions métalliques des nombres atomiques 58-71 et R désigne un groupe CHX<1>-CO-NH-CHY<1>-(CH2)f-COOH, X<1> et Y<1> désignant indépendamment l'un de l'autre un atome d'hydrogène, un reste alkyle C1-C7 à chaîne linéaire ou ramifiée, un groupe phényle ou benzyle et f valant un nombre compris entre 0 et 9. Ces acides carboxyliques à complexes métallifères peuvent s'utiliser comme intermédiaires pour la synthèse de complexes polymères en cascade appropriés comme agents diagnostiques.

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