Saccharified Uranyl Ions: Self-Assembly of UO₂ ²⁺ into Trinuclear Anionic Complexes by the Coordination of Glucosamine-Derived Schiff Bases.

ABSTRACT: The reaction of UO₂ (OAc)₂  ⋅ 2H₂ O with the biologically inspired ligand 2-salicylidene glucosamine (H₂ L¹ ) results in the formation of the anionic trinuclear uranyl complex [(UO₂ )₃ (μ₃ -O)(L¹ )₃ ]^2- (1^2- ), which was isolated in good yield as its Cs-salt, [Cs]₂ 1. Recrystallization of [Cs]₂ 1 in the presence of 18-crown-6 led to formation of a neutral ion pair of type [M(18-crown-6)]₂ 1, which was also obtained for the alkali metal ions Rb⁺ and K⁺ (M=Cs, Rb, K). The related ligand, 2-(2-hydroxy-1-naphthylidene) glucosamine (H₂ L² ) in a similar procedure with Cs⁺ gave t

SUBMITTER: Schaper G 

PROVIDER: S-EPMC8252515 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature