The preparation conditions for dichlorophosphinylphosphorimidic trichloride were optimized. It was used in the synthesis of esters of imidodiphosphoric acid. The interaction of the trichloride with amines resulted in the corresponding amidodiphosphates rather than in the expected amides of imidodiphosphoric acid.
S-Adenosylmethionine synthetase (ATP: L-methionine S-adenosyltransferase) catalyzes a two-step reaction in which tripolyphosphate (PPPi) is a tightly bound intermediate. Diimidotriphosphate (O(3)P-NH-PO(2)-NH-PO(3); PNPNP), a non-hydrolyzable analogue of PPPi, is the most potent known inhibitor of AdoMet synthetase with a K(i) of 2
We describe synthesis and properties of eight dinucleotide mRNA 5' cap analogs containing imidodiphosphate moiety within 5',5'-tri- or tetraphosphate bridge (NH-analogs). The compounds were obtained by coupling an appropriate nucleoside 5'-imidodiphosphate with nucleotide P-imidazolide mediated by divalent metal chloride in
Imidodiphosphate (the pyrophosphate analog containing a nitrogen atom in the bridge position instead of oxygen) is a potent inhibitor of family II pyrophosphatases from Streptococcus mutans and Streptococcus gordonii (inhibition constant Ki approximately 10 microM), which is slowly hydrolyzed by
Near-infrared emitting complexes of Nd(III), Er(III), and Yb(III) based on hexacoordinate lanthanide ions with an aryl functionalized imidodiphosphinate ligand, tpip, have been synthesized and fully characterized. Three tpip ligands form a shell around the lanthanide with the ligand coordinating via
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