Frangible compounds for pathogen inactivation

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 219/10 (2006.01) A61K 35/14 (2006.01) A61L 2/18 (2006.01) A61M 1/36 (2006.01) C07D 493/04 (2006.01)

Patent

CA 2276532

The present invention is directed to compounds and methods for inactivating pathogens in biological materials such as red blood cell preparations and plasma. Preferably, the compounds comprise a nucleic acid binding moiety, an effector moiety capable of forming a covalent bond with the nucleic acid, and a frangible linker covalently linking the nucleic acid moiety and the effector moiety. Hydrolysis of the frangible linker upon incubation with the biological material occurs concurrently with the reaction of the effector with nucleic acid but slow enough to permit inactivation of pathogens in the biological material. The compounds and methods may be used to treat materials intended for in vitro or in vivo use such as clinical testing or transfusion. Exemplary compounds include the following general structural formulas: (see formula I) and (see formula II) wherein the substituents are as defined herein.

La présente invention concerne des composés et des procédés permettant d'inactiver des pathogènes dans des matériaux comportant des compositions et des procédés d'inactivation de pathogènes dans des matériaux biologiques tels que des préparations de globules rouges et de plasma. Les compositions et les procédés peuvent être utilisés pour le traitement de matériaux destinés à une utilisation in vitro ou in vivo telle qu'essai clinique ou transfusion. Les composés sont conçus de manière à se lier spécifiquement à un acide nucléique et à réagir avec ledit acide et, ensuite, à se dégrader sous forme de produits de fractionnement. La réaction de dégradation est, de préférence plus lente que la réaction avec l'acide nucléique.

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