Polyaza macrobicyclic cryptands: synthesis, crystal structures of a cyclophane type macrobicyclic cryptand and of its dinuclear copper(I) cryptate, and anion binding features

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Abstract
Multiple (amine + aldehyde) condensation gives the macrobicyclic cryptands (1) and (3) in high yield; (1) gave a dinuclear CuI cryptate and was reduced to a polyamine (2) which binds anions, when protonated.