2,2'-BIPYRIDYL-6,6'-DICARBOXYLIC ACID DIAMIDES AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2014 - IPC C07D401/04 G21F9/06 

FIELD: chemistry.

SUBSTANCE: invention relates to 2,2'-bipyridyl-6,6'-dicarboxylic acid diamides of formula , where X=R₁=H, R₂=4-C₆H₁₃, or X=R₁=H, R₂=4-Et, or X=R₁=H, R₂=4-iPr, or X=H, R₁=2-Me, R₂=4-Me, or X=H, R₁=2-Me, R₂=5-Me, or X=H, R₁=3-Me, R₂=4-Me, or X=R₁=H, R₂=4-OEt, or X=Br, R₁=R₂=H, or X=Br, R₁=H, R₂=4-C₆H₁₃, or X=R₁=H, R₂=2-F, or X=R₁=H, R₂=3-F, or X=R₁=H, R₂=4-F, or X=NO₂, R₁=R₂=H. The invention also relates to a method of producing said diamides.

EFFECT: obtaining novel 2,2'-bipyridyl-6,6'-dicarboxylic acid derivatives which are useful for isolating actinides from liquid radioactive wastes.

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