SELECTIVE EXTRACTION OF ANIONS FROM SOLUTION

摘要

A method of selectively extracting anions from an aqueous solution using an anion encapsulating aggregate formed upon the addition of a solvent, a copper contributor, a hydroxide contributor, a counterion contributor, and pyrazole to an aqueous solution containing the anions, or upon the addition of a solvent, a polymeric chain of [CuII(μ-OH)(μ-pz)]∞ and a counterion contributor to the aqueous solution. The aggregates include compounds of the formula cis CuIIx(OR1)y(R2pz)z, where R1 is H or an alkyl group, R2 is H, or an alkyl group or a charged group, pz is pyrazolate and each of x, y, and z is an integer between about 1 and about 40. In addition, ligand-containing anion encapsulating aggregates can be formed by synthesis with a lig-and-bound pyrazole or by substituting the ligand-bound pyrazole for the pyrazole incorporated in the aggregate.