Triazatrinaphthyrins and the use thereof

Details Triazatrinaphthyrins and the use thereof Triazatrinaphthyrins and the use thereof

C - Chemistry, Metallurgy

07

D

C07D 471/16 (2006.01) C07D 471/22 (2006.01)

Patent

CA 2395095

A novel class of macrocycles, termed triazatrinaphthyrins, is disclosed having general Formula (I) or a solvate, hydrate, ester or salt thereof; wherein R1, R2, R3, Ra, Ra', Ra'', Rb, Rb', Rb'', Rc, Rc', Rc'', Rd, Rd' and Rd'' are defined in the specification. The macrocycles are useful in the extraction of transition metals, in particular in the extraction of lanthanides.

La présente invention concerne une nouvelle classe de macrocycles qu'on appelle les triazatrinaphthyrines, qui sont représentées par la formule (I) ou un solvate, un hydrate ou un ester de ces dernières. Dans la formule, R?1¿, R?2¿, R?3¿, R?a¿, R?a'¿, R?a''¿, R?b¿, R?b'¿, R?b''¿, R?c¿, R?c'¿, R?c''¿, R?d¿, R?d'¿ et R?d''¿ sont tels que définis dans le descriptif. Ces macrocycles sont utiles pour récupérer des métaux de transition et plus particulièrement des lanthanides. Formule (I)

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